{"id":1526,"date":"2024-04-18T12:26:53","date_gmt":"2024-04-18T10:26:53","guid":{"rendered":"https:\/\/devw.isska.ch\/?page_id=1526"},"modified":"2025-03-20T14:36:19","modified_gmt":"2025-03-20T13:36:19","slug":"geosciences","status":"publish","type":"page","link":"https:\/\/devw.isska.ch\/de\/kompetenzen\/geosciences\/","title":{"rendered":"Geo\u00adwis\u00adsen\u00adschaf\u00adten"},"content":{"rendered":"<ul>\n<li>\n        <a href=\"https:\/\/devw.isska.ch\/de\/wer-sind-wir\/\">\u00dcber uns<\/a>\n    <\/li>\n<li>\n        <a href=\"https:\/\/devw.isska.ch\/de\/kompetenzen\/\">Kom\u00adpe\u00adten\u00adzen<\/a>\n    <\/li>\n<li>\n        <a href=\"https:\/\/devw.isska.ch\/de\/leistungen\/\">Dienst\u00adleis\u00adtun\u00adgen<\/a>\n    <\/li>\n<\/ul>\n<h1>Geowissenschaften<\/h1>\n<div>\n<p>L\u2019ISSKA m\u00e8ne une acti\u00advi\u00adt\u00e9 scien\u00adti\u00adfique dans les dif\u00adf\u00e9\u00adrents domaines li\u00e9s au karst&nbsp;: g\u00e9o\u00adlo\u00adgie, hydro\u00adg\u00e9o\u00adlo\u00adgie, g\u00e9o\u00admor\u00adpho\u00adlo\u00adgie, pal\u00e9o\u00adcli\u00adma\u00adto\u00adlo\u00adgie.<br>\nLes connais\u00adsances acquises et les com\u00adp\u00e9\u00adtences d\u00e9ve\u00adlop\u00adp\u00e9es au sein de l\u2019Institut, depuis plus de vingt ans nous per\u00admettent d\u2019intervenir sur toutes les pro\u00adbl\u00e9\u00adma\u00adtiques qui peuvent sur\u00adve\u00adnir lors de la conduite de pro\u00adjets en milieu kars\u00adtique.<br> <br>\nDas SISKA tr\u00e4gt und betei\u00adligt sich sowohl an sehr anwen\u00addung\u00adso\u00adrien\u00adtier\u00adten Pro\u00adjek\u00adten, z. B. im Zusam\u00admen\u00adhang mit Tun\u00adnel\u00adboh\u00adrun\u00adgen, als auch an Pro\u00adjek\u00adten der Grund\u00adla\u00adgen\u00adfor\u00adschung, ins\u00adbe\u00adson\u00addere durch die Auf\u00adnahme und Betreuung von Dok\u00adto\u00adran\u00adden und Post\u00addok\u00adto\u00adran\u00adden.\n<\/p>\n<\/div>\n<div>\n<p>    <button class=\"uk-button uk-width-1-1 uk-button-primary\" type=\"button\">Angewandte Forschung<\/button><\/p>\n<div class=\"uk-width-1-2\" uk-dropdown=\"animation: uk-animation-slide-top-small; duration: 500; animate-out: true\">\n<ul class=\"uk-nav uk-dropdown-nav\">\n<h1 class=\"uk-nav-header uk-heading-bullet\">Themen<\/h1>\n<li><a href=\"#ressource\">Was\u00adser\u00adres\u00adsour\u00adcen<\/a><\/li>\n<li><a href=\"#dangers\">Natur\u00adge\u00adfah\u00adren<\/a><\/li>\n<li><a href=\"#genie\">Bauin\u00adge\u00adnieur\u00adwe\u00adsen<\/a><\/li>\n<li><a href=\"#travaux\">Unte\u00adrir\u00addische Arbei\u00adten<\/a>\n<\/li>\n<li><a href=\"#energies\">Erneuer\u00adbare Ener\u00adgien<\/a>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div>\n<p>    <button class=\"uk-button uk-width-1-1 uk-button-primary\" type=\"button\">Grundlagenforschung<\/button><\/p>\n<div class=\"uk-width-1-2\" uk-dropdown=\"animation: uk-animation-slide-top-small; duration: 500; animate-out: true\">\n<ul class=\"uk-nav uk-dropdown-nav\">\n<h1 class=\"uk-nav-header uk-heading-bullet\">Themen<\/h1>\n<li><a href=\"#speleogenese\">Spel\u00e4o\u00adge\u00adnese<\/a><\/li>\n<li><a href=\"#climat\">Unte\u00adrir\u00addisches Kli\u00adma<\/a><\/li>\n<li><a href=\"#paleoclimats\">Kars\u00adtauf\u00adzeich\u00adnun\u00adgen<\/a><\/li>\n<li><a href=\"#changement\">Kli\u00adma\u00adwan\u00addel und Karst<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2>Angewandte Forschung<\/h2>\n<h3>Wasserressourcen<\/h3>\n<div>\n<p>Les eaux sou\u00adter\u00adraines repr\u00e9\u00adsentent l\u2019essentiel des res\u00adsources en eau en milieux cal\u00adcaires. Ces res\u00adsources sont sou\u00advent de bonne qua\u00adli\u00adt\u00e9 et en quan\u00adti\u00adt\u00e9 suf\u00adfi\u00adsante, mais la dif\u00adfi\u00adcul\u00adt\u00e9 reste leur acces\u00adsi\u00adbi\u00adli\u00adt\u00e9.<br>\nLoca\u00adli\u00adser et dimen\u00adsion\u00adner des ouvrages de pro\u00adduc\u00adtion d\u2019eau en fonc\u00adtion de l\u2019ad\u00e9quation entre besoins et res\u00adsources dis\u00adpo\u00adnibles n\u00e9ces\u00adsite une connais\u00adsance pr\u00e9a\u00adlable du milieu et des inves\u00adti\u00adga\u00adtions sp\u00e9\u00adci\u00adfiques.<br>\nL\u2019ISSKA apporte des solu\u00adtions pour la recherche, l\u2019exploitation, la ges\u00adtion et la pro\u00adtec\u00adtion des eaux sou\u00adter\u00adraines en milieu cal\u00adcaire.\n<\/p>\n<\/div>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/porrentruy-scaled.jpg\" alt><\/p>\n<div>\n<p>Mes\u00adsung der Leitf\u00e4\u00adhig\u00adkeit des Was\u00adsers in der H\u00f6hle von Milandre (JU). \u00a9 SISKA<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/121002_UGPS_Moulin_LCDF_0003.JPG\" alt><\/p>\n<div>\n<p>Loka\u00adli\u00adsie\u00adrung und Kar\u00adtie\u00adrung von unte\u00adrir\u00addi\u00adschen Was\u00adserl\u00e4u\u00adfen. \u00a9 SISKA<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/S19-7.jpg\" alt><\/p>\n<div>\n<p>Unte\u00adrir\u00addi\u00adscher See in der H\u00f6hle Cr\u00eate de Vaas. \u00a9 SISKA<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\n<h3 style=\"text-align: center;\">Kontakt<\/h3>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/devw.isska.ch\/wp-content\/uploads\/2024\/01\/Pierre_Yves-1-scaled.jpg\" alt width=\"191\" height=\"255\" class=\"alignnone  wp-image-610\"><\/p>\n<p style=\"text-align: center;\">Pierre-Yves Jean\u00adnin <br><a href=\"mailto:pierre-yves.jeannin@isska.ch\">E\u2011Mail sen\u00adden<\/a><\/p>\n<p><\/p><\/div>\n<\/div>\n<h3>Naturgefahren<\/h3>\n<div>\n<p>Der Karst spielt eine beson\u00addere Rolle hin\u00adsicht\u00adlich der Pro\u00adble\u00adma\u00adti\u00adken durch Natur\u00adge\u00adfah\u00adren. Das SISKA hat Unter\u00adsu\u00adchung\u00adsme\u00adtho\u00adden f\u00fcr die Bewer\u00adtung und Kar\u00adtie\u00adrung der fol\u00adgen\u00adden Natur\u00adge\u00adfah\u00adren ent\u00adwi\u00adckelt&nbsp;:<\/p>\n<\/div>\n<h5>Gefahr von Einst\u00fcrzen in Karstgebieten<\/h5>\n<div>\n<p>In Karst\u00adge\u00adbie\u00adten kommt es regelm\u00e4s\u00adsig zu Einst\u00fcr\u00adzen. Die Unter\u00adsu\u00adchung dieses Ph\u00e4\u00adno\u00admens anhand kon\u00adkre\u00adter F\u00e4lle erm\u00f6\u00adglicht es uns, Bedin\u00adgun\u00adgen, die zu sol\u00adchen Erei\u00adgnis\u00adsen f\u00fch\u00adren, fr\u00fch\u00adzei\u00adtig zu erken\u00adnen. Ents\u00adpre\u00adchend k\u00f6n\u00adnen Kar\u00adten zur Zonie\u00adrung der Eins\u00adturz\u00adri\u00adsi\u00adken ers\u00adtellt wer\u00adden.<\/p>\n<\/div>\n<h5>Ressourcen<\/h5>\n<p>\n    <a href=\"https:\/\/devw.isska.ch\/pdf\/De\/Kompetenzen\/Fiche_explicative_effondrements_DE.pdf\">Syn\u00adthe\u00adtisches Daten\u00adblatt \u00ab&nbsp;Doli\u00adne\u00adneins\u00adturz&nbsp;\u00bb.<\/a>\n<\/p>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/IMG_20230626_103142-scaled.jpg\" alt><\/p>\n<div>\n<p>Eins\u00adturz unte\u00adrhalb der ARA von La Chaux-de-Fonds. \u00a9 SISKA<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/CHA_0244-scaled.jpg\" alt><\/p>\n<div>\n<p>Eins\u00adturz\u00addo\u00adline in einer juras\u00adsi\u00adschen Weide. \u00a9 SISKA<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/Effondrmt-Templalle-83_17.4.07-040-rotated.jpg\" alt><\/p>\n<div>\n<p>Eins\u00adturz mit\u00adten im Stadt\u00adzen\u00adtrum von La Chaux-de-Fonds (NE). \u00a9 SISKA<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<h5>Gefahr durch Hochwasser in Karstgebieten<\/h5>\n<div>\n<p>Im Karst ver\u00adlau\u00adfen Fl\u00fcsse haupts\u00e4\u00adchlich unte\u00adrir\u00addisch und sind somit weit\u00adge\u00adhend unsicht\u00adbar. Es kommt jedoch vor, dass der Grund\u00adwas\u00adsers\u00adpie\u00adgel die Ober\u00adfl\u00e4che erreicht, nor\u00adma\u00adler\u00adweise tro\u00adckene Gebiete \u00fcber\u00adflu\u00adtet und zu einem pl\u00f6tz\u00adli\u00adchen und star\u00adken Ans\u00adtieg der Dur\u00adch\u00adfluss\u00admenge f\u00fchrt. Dank der vom SISKA ent\u00adwi\u00adckel\u00adten Modelle (KARSYS, Karst\u00adMOD) ist es m\u00f6glich, \u00dcber\u00adsch\u00adwem\u00admun\u00adgen und Abfluss\u00admen\u00adgen vorher\u00adzu\u00adsa\u00adgen und Hoch\u00adwas\u00adser\u00adge\u00adfah\u00adren\u00adkar\u00adten zu ers\u00adtel\u00adlen, die an die Beson\u00adde\u00adrhei\u00adten des Karstes ange\u00adpasst sind.<\/p>\n<\/div>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/04\/COMP_GEOSCI_IMG_5373-scaled.JPG\" alt><\/p>\n<div>\n<p>Ans\u00adtieg des Grund\u00adwas\u00adsers\u00adpie\u00adgels bis zur Ober\u00adfl\u00e4che w\u00e4h\u00adrend eines Hoch\u00adwas\u00adsers in Che\u00adve\u00adnez (JU). \u00a9 SISKA<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/IMG_5319-scaled.JPG\" alt><\/p>\n<div>\n<p>\u00dcber\u00adsch\u00adwem\u00admung ent\u00adlang dem Fluss\u00adlauf der L\u2019Al\u00adlaine (JU). \u00a9 SISKA<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/D0284_110-28.3.2006.jpg\" alt><\/p>\n<div>\n<p>Grotte de la Cas\u00adcade (M\u00f4tiers, NE) w\u00e4h\u00adrend des Hoch\u00adwas\u00adsers von 2006. \u00a9ISSKA<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/carte_vulnerabilite_pour_site_web.jpg\" alt><\/p>\n<div>\n<p>Karte der Karst\u00adver\u00adwund\u00adbar\u00adkeit im Kan\u00adton St. Gal\u00adlen.  \u00a9ISSKA<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<h3>Bauingenieurwesen<\/h3>\n<div>\n<p>Das SISKA beglei\u00adtet Tief\u00adbau\u00adpro\u00adjekte in Karst\u00adge\u00adbie\u00adten und schl\u00e4gt L\u00f6sun\u00adgen vor, um Sta\u00adbi\u00adlit\u00e4ts\u00adpro\u00adble\u00admen, Was\u00adse\u00adrein\u00adbr\u00fc\u00adchen oder dem Ein\u00addrin\u00adgen von Grau\u00adwas\u00adser vor\u00adzu\u00adbeu\u00adgen.<\/p>\n<p>L\u2019ISSKA est fr\u00e9\u00adquem\u00adment man\u00adda\u00adt\u00e9 pour accom\u00adpa\u00adgner des pro\u00adjets d\u2019am\u00e9nagement de sur\u00adface (auto\u00adroutes, parcs \u00e9oliens) ou le per\u00adce\u00adment d\u2019ouvrages sou\u00adter\u00adrains (tun\u00adnels, gale\u00adries, etc.).<br>\nA tra\u00advers les acti\u00advi\u00adt\u00e9s de recherche et d\u00e9ve\u00adlop\u00adpe\u00adment, l\u2019ISSKA a mis au point des m\u00e9thodes per\u00admet\u00adtant d\u2019identifier et de rem\u00e9\u00addier aux pro\u00adbl\u00e8mes que posent les construc\u00adtions en milieu kars\u00adtique. La m\u00e9thode Kars\u00adtA\u00adLEA, fruit d\u2019une col\u00adla\u00adbo\u00adra\u00adtion avec l\u2019Office F\u00e9d\u00e9\u00adral des Routes (OFROU) est une illus\u00adtra\u00adtion des m\u00e9thodes pra\u00adtiques d\u00e9ve\u00adlop\u00adp\u00e9es par l\u2019institut.\n<\/p>\n<\/div>\n<h5>Ressourcen<\/h5>\n<ul>\n<li>\n        <a href=\"https:\/\/devw.isska.ch\/pdf\/De\/Rd\/Methodenbeschrieb_KarstALEA_DE.pdf\">Bro\u00adsch\u00fcre&nbsp;: Kars\u00adtA\u00adLEA-Methode<\/a>\n    <\/li>\n<li>\n        <a href=\"https:\/\/devw.isska.ch\/pdf\/De\/Kompetenzen\/KarstALEA.pdf\">Weglei\u00adtung zur Kars\u00adtA\u00adLEA-Methode<\/a>\n    <\/li>\n<\/ul>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/04\/COMP_GEOSCI_DSC_7823_v2-scaled.jpg\" alt><\/p>\n<div>\n<p>Ver\u00adsch\u00adwin\u00adden eines Was\u00adser\u00adlaufs in einer H\u00f6hle in Berg\u00fcn (GR). \u00a9 SISKA<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/IMG_2645-scaled.jpg\" alt><\/p>\n<div>\n<p>Sich\u00adtung von alten Karst\u00adlei\u00adtun\u00adgen im \u00ab&nbsp;Stein\u00adbruch Born&nbsp;\u00bb (SO). SISKA<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<h3>Unterirdische Arbeiten<\/h3>\n<div>\n<p>Das SISKA ist auf Mess- und Doku\u00admen\u00adta\u00adtion\u00adsar\u00adbei\u00adten in unte\u00adrir\u00addi\u00adschen Umge\u00adbun\u00adgen spe\u00adzia\u00adli\u00adsiert.<\/p>\n<p>Das Ins\u00adti\u00adtut betei\u00adligt sich an der Ers\u00adtel\u00adlung von Model\u00adlen, die ein bes\u00adseres Verst\u00e4nd\u00adnis sowie die die Nut\u00adzung der unte\u00adrir\u00addi\u00adschen geo\u00adlo\u00adgi\u00adschen und hydro\u00adgeo\u00adlo\u00adgi\u00adschen Aspekte erm\u00f6\u00adgli\u00adchen und die Pla\u00adnung in sol\u00adchen Berei\u00adchen verein\u00adfacht. Ver\u00adschie\u00addene Werk\u00adzeuge k\u00f6n\u00adnen f\u00fcr die Loka\u00adli\u00adsie\u00adrung als auch f\u00fcr die topo\u00adgra\u00adfische oder 3D-Erfas\u00adsung von unte\u00adrir\u00addi\u00adschen Hohlr\u00e4u\u00admen ange\u00adbo\u00adten wer\u00adden. Die Anwen\u00addung\u00adsbe\u00adreiche sind dabei sehr breit&nbsp;:<\/p>\n<ul>\n<li>Dimen\u00adsio\u00adnie\u00adrung unte\u00adrir\u00addi\u00adscher Anla\u00adgen&nbsp;: tou\u00adris\u00adtische Infras\u00adtruk\u00adtur, Lei\u00adtungs\u00adbau usw. oder von obe\u00adrir\u00addi\u00adschen Anla\u00adgen, die mit dem Unter\u00adgrund inter\u00adagie\u00adren&nbsp;;<\/li>\n<li>Stra\u00adte\u00adgieent\u00adwi\u00adck\u00adlung zur Nut\u00adzung von unte\u00adrir\u00addi\u00adscher Lagerst\u00e4t\u00adten (z. B. Salz\u00adberg\u00adwerke) oder zur Bewer\u00adtung der Kapa\u00adzit\u00e4\u00adten von Auf\u00adsch\u00fct\u00adtun\u00adgen&nbsp;;<\/li>\n<li>Doku\u00admen\u00adta\u00adtion his\u00adto\u00adri\u00adscher unte\u00adrir\u00addi\u00adscher Bau\u00adwerke usw.<\/li>\n<\/ul>\n<p>Das SISKA hat zudem viel Erfah\u00adrung mit der Ins\u00adtru\u00admen\u00adtie\u00adrung zur Erfor\u00adschung und \u00dcber\u00adwa\u00adchung von unte\u00adrir\u00addi\u00adschen Ph\u00e4\u00adno\u00adme\u00adnen, ins\u00adbe\u00adson\u00addere im Zusam\u00admen\u00adhang mit der \u00dcber\u00adwa\u00adchung der Grund\u00adwas\u00adser\u00adqua\u00adlit\u00e4t, der Zusa\u00admen\u00adset\u00adzung der unte\u00adrir\u00addi\u00adschen Atmos\u00adph\u00e4re oder der Doku\u00admen\u00adta\u00adtion von Ersch\u00fct\u00adte\u00adrun\u00adgen w\u00e4h\u00adrend Erschlies\u00adsung\u00adsar\u00adbei\u00adten.<\/p>\n<\/div>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/04\/COMP_GEOSCI_IMG_7626-scaled.jpg\" alt><\/p>\n<div>\n<p>Tra\u00adcing-Ver\u00adsuch in einer H\u00f6hle in La Chaux-de-Fonds (NE). \u00a9 SISKA<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/IMG_20240315_024511-scaled.jpg\" alt><\/p>\n<div>\n<p>3D-Ver\u00admes\u00adsung der H\u00f6hle TM800 (NE) mit LiDAR. \u00a9 SISKA<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/TM800_VueDessus.jpg\" alt><\/p>\n<div>\n<p>3D-Modell der H\u00f6hle TM800 (NE) im Vue-des-Alpes-Tun\u00adnel. \u00a9 SISKA<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/sieben_Nathan-scaled.jpg\" alt><\/p>\n<div>\n<p>3D-Ansicht des R\u00e9seau Sie\u00adben\u00adheng\u00adste-Hoh\u00adgant (BE). \u00a9 SISKA<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<h3>Erneuerbare Energien<\/h3>\n<div>\n<p>Kars\u00adtre\u00adgio\u00adnen sind zuneh\u00admend von der Ent\u00adwi\u00adck\u00adlung von Infras\u00adtruk\u00adtu\u00adren f\u00fcr die Pro\u00adduk\u00adtion von erneuer\u00adba\u00adren Ener\u00adgien betrof\u00adfen, vor allem von Was\u00adser\u00adkraft, Geo\u00adther\u00admie und Wind\u00adkraft. Das SISKA beglei\u00adtet Bau\u00adher\u00adren bei Pro\u00adjek\u00adten zur Ent\u00adwi\u00adck\u00adlung von erneuer\u00adba\u00adren Ener\u00adgien in die\u00adsen Regio\u00adnen.\n<\/p>\n<\/div>\n<h5>Unterirdische Wasserkraft<\/h5>\n<div>\n<p>Karst\u00adgrund\u00adwas\u00adser stellt ein gewisses Poten\u00adzial f\u00fcr die Stro\u00admer\u00adzeu\u00adgung dar. Diese Nut\u00adzung ist jedoch nicht ohne Risi\u00adken f\u00fcr die Umwelt und die Risi\u00adken m\u00fcs\u00adsen von Fachleu\u00adten bewer\u00adtet wer\u00adden.<br>\nDas SISKA ist durch die Beglei\u00adtung von Pro\u00adjek\u00adten oder Fol\u00adge\u00adnab\u00adsch\u00e4t\u00adzun\u00adgen in die\u00adsem Bereich aktiv. Wir sind in der Lage, auf der Ebene des Vor\u00adpro\u00adjekts eine Diag\u00adnose zu den Erfolg\u00adsaus\u00adsich\u00adten zu ers\u00adtel\u00adlen und fest\u00adzus\u00adtel\u00adlen, welche Anpas\u00adsun\u00adgen not\u00adwen\u00addig sind, um mit mit den Gesetz\u00adge\u00adbun\u00adgen und prak\u00adti\u00adschen Anwei\u00adsun\u00adgen im Zusam\u00admen\u00adhang mit Pro\u00adjek\u00adten im Karst im Eink\u00adlang zu ste\u00adhen.<\/p>\n<\/div>\n<h5>Windkraftanlagen<\/h5>\n<div>\n<p>Die Errich\u00adtung von Wind\u00adkraf\u00adtan\u00adla\u00adgen in Karst\u00adge\u00adbie\u00adten muss im Hin\u00adblick auf die Aus\u00adwir\u00adkun\u00adgen auf die Umwelt und die Sta\u00adbi\u00adlit\u00e4ts\u00adri\u00adsi\u00adken f\u00fcr das Bau\u00adwerk spe\u00adziell beglei\u00adtet wer\u00adden.<\/p>\n<\/div>\n<p>\n    <a href=\"https:\/\/devw.isska.ch\/pdf\/De\/Kompetenzen\/brochure_eoliennes_d.pdf\">Wind\u00adkraf\u00adtan\u00adla\u00adgen in Karst\u00adge\u00adbie\u00adten<\/a>\n<\/p>\n<h5>Geothermie<\/h5>\n<div>\n<p>Die Mecha\u00adnis\u00admen der W\u00e4r\u00admeaus\u00adbrei\u00adtung im Kars\u00adtun\u00adter\u00adgrund unter\u00adschei\u00adden sich stark von ande\u00adren geo\u00adlo\u00adgi\u00adschen Umge\u00adbun\u00adgen. Nut\u00adzung\u00adspro\u00adjekte erfor\u00addern oft Anpas\u00adsun\u00adgen und eine spe\u00adzia\u00adli\u00adsierte Beglei\u00adtung. Das SISKA verf\u00fcgt \u00fcber die Werk\u00adzeuge und Erfah\u00adrun\u00adgen in die\u00adsem Rah\u00admen und arbei\u00adtet mit dem Zen\u00adtrum f\u00fcr Hydro\u00adgeo\u00adlo\u00adgie und Geo\u00adther\u00admie der Uni\u00adver\u00adsit\u00e4t Neuen\u00adburg zusam\u00admen, einem aner\u00adkann\u00adten Kom\u00adpe\u00adtenz\u00adzen\u00adtrum auf die\u00adsem Gebiet.<\/p>\n<\/div>\n<h2>Grundlagenforschung<\/h2>\n<h3>Spel\u00e4ogenese<\/h3>\n<div>\n<p>H\u00f6h\u00adlen und die Karst\u00adland\u00adschaft ents\u00adte\u00adhen durch die Aufl\u00f6\u00adsung von Kalk\u00adstein im Regen\u00adwas\u00adser. In man\u00adchen F\u00e4l\u00adlen kann die Aufl\u00f6\u00adsung auch aus ande\u00adren Ursa\u00adchen resul\u00adtie\u00adren (z. B. durch auf\u00adstei\u00adgende Tie\u00adfen\u00adgase). Zu vers\u00adte\u00adhen, wie H\u00f6h\u00adlen ents\u00adte\u00adhen, ist f\u00fcr den H\u00f6h\u00adlen\u00adfor\u00adscher, der sie erkun\u00addet, von offen\u00adsicht\u00adli\u00adchem Inter\u00adesse. Die Vorher\u00adsage eines unte\u00adrir\u00addi\u00adschen Hohl\u00adraums ist jedoch auch eine wich\u00adtige Infor\u00adma\u00adtion f\u00fcr einen Inge\u00adnieur, der einen Tun\u00adnel bauen muss, oder f\u00fcr einen Hydro\u00adgeo\u00adlo\u00adgen, der Was\u00adser ent\u00adneh\u00admen muss.<\/p>\n<p>In den letz\u00adten 35 Jah\u00adren wur\u00adden meh\u00adrere nume\u00adrische Modelle der Spel\u00e4o\u00adge\u00adnese ent\u00adwi\u00adckelt. Sie haben uns sehr viel \u00fcber die Prin\u00adzi\u00adpien, die Ents\u00adte\u00adhung\u00adsges\u00adch\u00adwin\u00addig\u00adkei\u00adten und die Grundz\u00fcge der Geo\u00adme\u00adtrie unte\u00adrir\u00addi\u00adscher Gale\u00adrie\u00adnetz\u00adwerke gelehrt. Die Cha\u00adrak\u00adte\u00adri\u00adsie\u00adrung der Gel\u00e4n\u00adde\u00adpa\u00adra\u00adme\u00adter, mit denen diese Modelle gef\u00fct\u00adtert wer\u00adden, ist jedoch ver\u00adgleichs\u00adweise sp\u00e4t. Das SISKA tr\u00e4gt daher mit sei\u00adner For\u00adschung dazu bei, Feld\u00adda\u00adten zu lie\u00adfern, diese dar\u00adzus\u00adtel\u00adlen und mit den Ergeb\u00adnis\u00adsen von Simu\u00adla\u00adtions\u00admo\u00addel\u00adlen zu ver\u00adglei\u00adchen.<\/p>\n<p>Karsts\u00adtruk\u00adtu\u00adren ent\u00adwi\u00adckeln sich nicht zuf\u00e4l\u00adlig. Wir haben die all\u00adge\u00admei\u00adnen Merk\u00admale iden\u00adti\u00adfi\u00adziert und k\u00f6n\u00adnen somit die poten\u00adziell am st\u00e4rks\u00adten ver\u00adkars\u00adte\u00adten Gebiete skiz\u00adzie\u00adren. Um rea\u00adlis\u00adtische Netz\u00adwerke zu model\u00adlie\u00adren bleibt jedoch noch einiges an Arbeit f\u00fcr zuk\u00fcnf\u00adtige Gene\u00adra\u00adtio\u00adnen\u2026<\/p>\n<p>Unsere Arbeit betrifft unter ande\u00adrem&nbsp;:<\/p>\n<ul>\n<li>Die r\u00e4um\u00adliche Ver\u00adtei\u00adlung von Karstl\u00adkan\u00e4\u00adlen (Kon\u00adzept der \u00ab&nbsp;Incep\u00adtion Hori\u00adzons&nbsp;\u00bb)<\/li>\n<li>Die Ents\u00adte\u00adhung von Karst\u00adsys\u00adte\u00admen in der epi\u00adphrea\u00adti\u00adschen Zone (Loops)<\/li>\n<li>Die Sto\u00adck\u00adwerke der Karst\u00adsys\u00adteme (spel\u00e4o\u00adge\u00adne\u00adtische Pha\u00adsen)<\/li>\n<\/ul>\n<p>Der\u00adzeit kon\u00adzen\u00adtrie\u00adren sie sich vor allem auf die Vorher\u00adsage der (pro\u00adba\u00adbi\u00adlis\u00adti\u00adschen) Posi\u00adtion der G\u00e4nge und auf ihre Cha\u00adrak\u00adte\u00adri\u00adsie\u00adrung (Gr\u00f6sse, Form, F\u00fcl\u00adlung, Was\u00adser etc.).<\/p>\n<\/div>\n<div>\n<div>\n<h3 style=\"text-align: center;\">Kontakt<\/h3>\n<p style=\"text-align: center;\"><a href=\"https:\/\/devw.isska.ch\/wp-admin\/admin-ajax.php?action=kernel&amp;p=customizer&amp;site=https%3A%2F%2Fdevw.isska.ch%2Ffr%2Fcompetences%2Fformation-et-mediation%2F\" aria-label=\"Select Image\" class=\"uk-position-cover\"><\/a><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/devw.isska.ch\/wp-content\/uploads\/2024\/01\/Marc_nb-225x300.jpg\" alt width=\"225\" height=\"300\" class=\"alignnone wp-image-615 size-medium\" srcset=\"https:\/\/devw.isska.ch\/wp-content\/uploads\/2024\/01\/Marc_nb-225x300.jpg 225w, https:\/\/devw.isska.ch\/wp-content\/uploads\/2024\/01\/Marc_nb-768x1024.jpg 768w, https:\/\/devw.isska.ch\/wp-content\/uploads\/2024\/01\/Marc_nb-1152x1536.jpg 1152w, https:\/\/devw.isska.ch\/wp-content\/uploads\/2024\/01\/Marc_nb-1536x2048.jpg 1536w, https:\/\/devw.isska.ch\/wp-content\/uploads\/2024\/01\/Marc_nb-scaled.jpg 1920w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\"><\/p>\n<p style=\"text-align: center;\">Marc L\u00fct\u00adscher <br><a href=\"mailto:marc.luetscher@isska.ch\">E\u2011Mail sen\u00adden<\/a><\/p>\n\n<\/div>\n<\/div>\n<h3>Unterirdisches Klima<\/h3>\n<div>\n<p>Auf den ers\u00adten Blick ein sehr aka\u00adde\u00admisches The\u00adma, ist das genaue Verst\u00e4nd\u00adnis des unte\u00adrir\u00addi\u00adschen Kli\u00admas doch wich\u00adtig f\u00fcr die Ver\u00adwal\u00adtung von arch\u00e4o\u00adlo\u00adgi\u00adschen, ver\u00adzier\u00adten oder tou\u00adris\u00adti\u00adschen H\u00f6h\u00adlen sowie f\u00fcr gewisse H\u00f6h\u00adlen\u00adfor\u00adschung\u00adsar\u00adbei\u00adten. Zudem tr\u00e4gt es zum Verst\u00e4nd\u00adnis der Ther\u00admik in Karst\u00admas\u00adsi\u00adven bei und erlaubt somit die Pla\u00adnung von Erdw\u00e4r\u00adme\u00adson\u00adden oder das Vorhan\u00adden\u00adsein nat\u00fcr\u00adli\u00adcher Eish\u00f6h\u00adlen zu erkl\u00e4\u00adren. Schliess\u00adlich hilft es auch die beo\u00adbach\u00adte\u00adten Varia\u00adtio\u00adnen im Wachs\u00adtum von Sta\u00adlag\u00admi\u00adten zu inter\u00adpre\u00adtie\u00adren und pal\u00e4ok\u00adli\u00adma\u00adtische Rekons\u00adtruk\u00adtio\u00adnen zu ers\u00adtel\u00adlen.<\/p>\n<p>Aktuelle Pro\u00adjekte&nbsp;:<\/p>\n<ul>\n<li><span><a href=\"https:\/\/devw.isska.ch\/de\/sedkeller\/\" data-wplink-url-error=\"true\" target=\"_blank\" rel=\"noopener\">Cave\u00adSeds<\/a><\/span><\/li>\n<li><span>Ana\u00adlyse der Wech\u00adsel\u00adwir\u00adkun\u00adgen zwi\u00adschen Ven\u00adti\u00adla\u00adtion, CO2-Gehalt und Was\u00adser\u00adche\u00admie in der H\u00f6hle von Milandre<\/span><\/li>\n<li><span>Lang\u00adzeit\u00adbeo\u00adbach\u00adtung eini\u00adger nat\u00fcr\u00adli\u00adcher Eish\u00f6h\u00adlen im Jura<\/span><\/li>\n<\/ul>\n<p>Ver\u00adgan\u00adgene Pro\u00adjekte&nbsp;:<\/p>\n<ul>\n<li><span><a href=\"https:\/\/devw.isska.ch\/de\/thermokarst\/\" data-wplink-url-error=\"true\" target=\"_blank\" rel=\"noopener\">Ther\u00admo\u00adkarst<\/a><\/span><\/li>\n<li><span>Unter\u00adsu\u00adchung der nat\u00fcr\u00adli\u00adchen Eish\u00f6h\u00adlen im Jura<\/span><\/li>\n<li><span>Ana\u00adlyse des Kli\u00admas in der H\u00f6hle von Las\u00adcaux<\/span><\/li>\n<li><span>Unter\u00adsu\u00adchung der Ther\u00admik von Karst\u00admas\u00adsi\u00adven<\/span><\/li>\n<li><span>Bewer\u00adtung des W\u00e4r\u00adme\u00adpo\u00adten\u00adzials von Karst\u00admas\u00adsi\u00adven<\/span><\/li>\n<li><span>Ver\u00adsuch der k\u00fcnst\u00adli\u00adchen Bel\u00fcf\u00adtung einer Kars\u00adth\u00f6hle (Milandre)<\/span><\/li>\n<\/ul>\n<\/div>\n<h3>Karstaufzeichnungen<\/h3>\n<div>\n<p>Von \u00e4us\u00adse\u00adren Ero\u00adsions\u00adpro\u00adzes\u00adsen iso\u00adliert, bewah\u00adren H\u00f6h\u00adlen Sedi\u00admen\u00adtab\u00adfol\u00adgen \u00fcber Hun\u00addert\u00adtau\u00adsende oder gar Mil\u00adlio\u00adnen von Jah\u00adren. Die Unter\u00adsu\u00adchun\u00adgen die\u00adser Abla\u00adge\u00adrun\u00adgen, seien es detri\u00adtische Sedi\u00admente (z.B. Lami\u00adnite, Kie\u00adsel\u00adsteine) oder Spel\u00e4o\u00adtheme (z.B. Sta\u00adlag\u00admi\u00adten), lie\u00adfern wert\u00advolle Infor\u00adma\u00adtio\u00adnen \u00fcber Kli\u00adma- und Umwelt\u00adver\u00e4n\u00adde\u00adrun\u00adgen im Laufe der Zeit. Ob Glet\u00adscher\u00adzyk\u00adlen oder jah\u00adres\u00adzeit\u00adliche Schwan\u00adkun\u00adgen, H\u00f6h\u00adlen\u00adse\u00addi\u00admente enthal\u00adten wert\u00advolle Infor\u00adma\u00adtio\u00adnen \u00fcber unsere fr\u00fc\u00adhere Umwelt. <br>Neben der Datie\u00adrung die\u00adser Sedi\u00admente befas\u00adsen sich die Stu\u00addien des SISKA mit ihrer mine\u00adra\u00adlo\u00adgi\u00adschen (Cal\u00adcit, Ara\u00adgo\u00adnit, Quarz, \u2026), geo\u00adche\u00admi\u00adschen (Mg, Sr, Ba, S, \u2026) und iso\u00adto\u00adpi\u00adschen (d18O, d13C, \u2026) Signa\u00adtur, aber auch mit ihrem fau\u00adnis\u00adti\u00adschen (Mikroin\u00adver\u00adte\u00adbra\u00adten, Kno\u00adchen) und bota\u00adni\u00adschen (Pol\u00adlen) Inhalt.<\/p>\n<p>Siehe auch unsere Kom\u00adpe\u00adtenz <a href=\"https:\/\/devw.isska.ch\/de\/kompetenzen\/archaozoologie\/\" rel=\"noopener\">in der Arch\u00e4o\u00adzoo\u00adlo\u00adgie<\/a>.<\/p><\/div>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/S17-9-scaled-1.jpg\" alt><\/p>\n<div>\n<p>Sta\u00adlag\u00admit, der f\u00fcr Ana\u00adly\u00adsen auf\u00adges\u00adch\u00adnit\u00adten wurde. \u00a9  SISKA<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/PA030052-scaled.jpg\" alt><\/p>\n<div>\n<p>Kryo\u00adgene Cal\u00adcite bil\u00adden sich beim Gefrie\u00adren von Karst\u00adwas\u00adser. Sie zeu\u00adgen sowohl von Tem\u00adpe\u00adra\u00adtu\u00adren unter 0\u00b0C als auch von der Anwe\u00adsen\u00adheit von fl\u00fcs\u00adsi\u00adgem Was\u00adser in einem Hohl\u00adraum. Ihre Unter\u00adsu\u00adchung erm\u00f6\u00adglicht es, die Ent\u00adwi\u00adck\u00adlung des Per\u00adma\u00adfrosts im Laufe der Zeit zu rekons\u00adtruie\u00adren. SISKA<\/p>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/05\/20240521_205132-scaled-scaled.jpg\" alt><\/p>\n<div>\n<p>Die in den H\u00f6h\u00adlen beo\u00adbach\u00adte\u00adten Detri\u00adtus\u00adse\u00adquen\u00adzen infor\u00admie\u00adren \u00fcber ver\u00adgan\u00adgene Umwelt\u00adver\u00e4n\u00adde\u00adrun\u00adgen und k\u00f6n\u00adnen durch Iso\u00adto\u00adpen\u00adme\u00adtho\u00adden datiert wer\u00adden. SISKA<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<h3>Klimawandel und Karst<\/h3>\n<div>\n<p><span>Die kli\u00adma\u00adti\u00adschen Bedin\u00adgun\u00adgen \u00fcben zahl\u00adreiche Ein\u00adfl\u00fcsse auf den Karst aus. Unter die\u00adsen bewer\u00adtet das SISKA haupts\u00e4\u00adchlich die Aus\u00adwir\u00adkun\u00adgen des Kli\u00adma\u00adwan\u00addels auf die fol\u00adgen\u00adden Ele\u00admente.<\/span><\/p>\n<ul>\n<li><span>Die Infil\u00adtra\u00adtion von Was\u00adser in den Unter\u00adgrund oder die Auff\u00fcl\u00adlung von Aqui\u00adfe\u00adren. Sie beein\u00adflusst direkt die Menge des verf\u00fcg\u00adba\u00adren Grund\u00adwas\u00adsers und ist das Ergeb\u00adnis eines emp\u00adfind\u00adli\u00adchen Gleich\u00adge\u00adwichts zwi\u00adschen kli\u00adma\u00adti\u00adschen (Nie\u00adder\u00adschlag, Tem\u00adpe\u00adra\u00adtur\u2026) und boden\u00adbio\u00adlo\u00adgi\u00adschen Fak\u00adto\u00adren (Vege\u00adta\u00adtion und B\u00f6den).<\/span><\/li>\n<li><span>Die Ausf\u00e4l\u00adlung von Kal\u00adzit in Sta\u00adlag\u00admi\u00adten betrifft vor allem pal\u00e4ok\u00adli\u00adma\u00adtische Rekons\u00adtruk\u00adtio\u00adnen. Die in Sta\u00adlag\u00admi\u00adten abge\u00adla\u00adger\u00adten Kal\u00adzit\u00adschich\u00adten zeich\u00adnen die zum Zeit\u00adpunkt der Abla\u00adge\u00adrung herr\u00adschen\u00adden Kli\u00adma\u00adbe\u00addin\u00adgun\u00adgen auf, \u00e4hn\u00adlich wie die Jahr\u00adringe eines Baumes.<\/span><\/li>\n<li><span>Die Aufl\u00f6\u00adsung von Kalk\u00adstein spielt eine Rolle bei der Ver\u00adlang\u00adsa\u00admung der glo\u00adba\u00adlen Erw\u00e4r\u00admung. Es ist erwie\u00adsen, dass die glo\u00adbale Erw\u00e4r\u00admung die bio\u00adlo\u00adgische Akti\u00advit\u00e4t im Boden erh\u00f6ht, was zu einem Ans\u00adtieg des CO2-Gehalts im Boden f\u00fchrt. Das Was\u00adser, was in den Boden ein\u00addringt, l\u00f6st somit mehr CO2, wodurch wie\u00adde\u00adrum mehr Kalk\u00adstein auf\u00adgel\u00f6st wird. Daraus folgt, dass f\u00fcr jedes zus\u00e4tz\u00adliche Molek\u00fcl gel\u00f6s\u00adten Kalk\u00adsteins ein Molek\u00fcl aus dem Boden und damit aus der Erdat\u00admos\u00adph\u00e4re ent\u00adnom\u00admen wurde. Diese CO2-Ent\u00adnahme k\u00f6nnte einen wich\u00adti\u00adgen Teil des\u00adsen erkl\u00e4\u00adren, was Fachleute als \u00ab&nbsp;car\u00adbon sink&nbsp;\u00bb bezeich\u00adnen, also die Tat\u00adsache, dass das atmos\u00adph\u00e4\u00adrische CO2 weni\u00adger schnell ans\u00adteigt als von Model\u00adlen ges\u00adch\u00e4tzt.<\/span><\/li>\n<\/ul>\n<\/div>\n<p><!--more--><br>\n<!-- {\"type\":\"layout\",\"children\":[{\"type\":\"section\",\"props\":{\"css\":\"@media (max-width:759px) {\\n  .el-section {\\n      height: 370px;\\n    }\\n}\\n@media (min-width:760px) {\\n    .el-section {\\n        height: 275px;\\n    }\\n}\\n@media (min-width:1200px) {\\n    .el-section {\\n        height: 340px;\\n    }\\n}\\n@media (min-width:1600px) {\\n    .el-section {\\n        height: 580px;\\n    }\\n}\\n@media (min-width:1600px) and (max-height:1100px) {\\n    .el-section {\\n        height: 460px;\\n    }\\n}\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/01\\\/CreteVaas_2023_RW_5-scaled.jpg\",\"image_position\":\"center-center\",\"image_size\":\"cover\",\"padding\":\"large\",\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"button\",\"props\":{\"css\":\".el-content {\\n    font-family: \\\"Century Gothic\\\", Verdana, sans-serif;\\n    }\\n@media (max-width:759px) {\\n  .el-content {\\n    margin: 10px 50px; \\n    width: 250px;\\n    position: relative;\\n    top: 180px;\\n  }\\n}\\n@media (min-width:760px) {\\n  .el-content {\\n    margin: 10px 6px; \\n    width: 217px;\\n    position: relative;\\n    top: 104px;\\n  }\\n}\\n@media (min-width:1200px) {\\n  .el-content {\\n    width: 260px;\\n    margin: 0px 40px;\\n    position: relative;\\n    top: 165px;\\n  }\\n}\\n@media (min-width:1600px) {\\n  .el-content {\\n    margin-top: 250px;\\n }\\n} \\n@media (min-width:1600px) and (max-height:1100px) {\\n  .el-content {\\n    margin-top: 130px;\\n }\\n} \",\"fullwidth\":false,\"grid_column_gap\":\"collapse\",\"grid_row_gap\":\"small\",\"margin\":\"default\",\"position_bottom\":\"-93\",\"position_z_index\":\"2\",\"text_align\":\"center\"},\"children\":[{\"type\":\"button_item\",\"props\":{\"button_style\":\"primary\",\"content\":\"Qui sommes-nous?\",\"icon_align\":\"left\",\"link\":\"https:\\\/\\\/devw.isska.ch\\\/qui-sommes-nous\"}},{\"type\":\"button_item\",\"props\":{\"button_style\":\"primary\",\"content\":\"Comp\\u00e9tences\",\"icon_align\":\"left\",\"link\":\"https:\\\/\\\/devw.isska.ch\\\/competences\\\/\"}},{\"type\":\"button_item\",\"props\":{\"button_style\":\"primary\",\"content\":\"Prestations\",\"icon_align\":\"left\",\"link\":\"https:\\\/\\\/devw.isska.ch\\\/prestations\\\/\"}}]}]}]}],\"name\":\"Header\"},{\"type\":\"section\",\"props\":{\"css\":\"@media (max-width: 759px) {\\n    .el-row {\\n        padding-top: 135px;\\n    }\\n}\\n@media (max-width: 759px) and (orientation:landscape) {\\n    .el-row {\\n        padding-top: 140px;\\n    }\\n}\\n.el-section {\\n    font-family: 'Century Gothic', Verdana, sans-serif;\\n}\",\"image_position\":\"center-center\",\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"breadcrumbs\",\"props\":{\"show_current\":true,\"show_home\":true,\"visibility\":\"s\"},\"name\":\"Breadcrumbs\"},{\"type\":\"headline\",\"props\":{\"content\":\"G\\u00e9osciences\",\"title_element\":\"h1\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>L\\u2019ISSKA m\\u00e8ne une activit\\u00e9 scientifique dans les diff\\u00e9rents domaines li\\u00e9s au karst : g\\u00e9ologie, hydrog\\u00e9ologie, g\\u00e9omorphologie, pal\\u00e9oclimatologie.\\nLes connaissances acquises et les comp\\u00e9tences d\\u00e9velopp\\u00e9es au sein de l\\u2019Institut, depuis plus de vingt ans nous permettent d\\u2019intervenir sur toutes les probl\\u00e9matiques qui peuvent survenir lors de la conduite de projets en milieu karstique.<br \/> \\nL\\u2019ISSKA porte et participe aussi bien \\u00e0 des projets tr\\u00e8s apliqu\\u00e9s, li\\u00e9s par exemple au percement de tunnels, qu'\\u00e0 des projets de recherche fondamentale, notamment en accueillant et encadrant des doctorants et postdoctorants.\\n<\\\/p>\",\"margin\":\"default\"},\"name\":\"Text\"},{\"type\":\"fragment\",\"props\":{\"margin\":\"default\"},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-2,1-2\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"html\",\"props\":{\"content\":\"<button class=\\\"uk-button uk-width-1-1 uk-button-primary\\\" type=\\\"button\\\">Th\\u00e9matiques de recherche appliqu\\u00e9e<\\\/button>\\n\n\n<div class=\\\"uk-width-1-2\\\" uk-dropdown=\\\"animation: uk-animation-slide-top-small; duration: 500; animate-out: true\\\">\\n    \n\n<ul class=\\\"uk-nav uk-dropdown-nav\\\">\\n        \n\n<h1 class=\\\"uk-nav-header uk-heading-bullet\\\">Th\\u00e9matiques<\\\/h1>\\n        \n\n<li><a href=\\\"#ressource\\\">Ressource en eau<\\\/a><\\\/li>\\n        \n\n<li><a href=\\\"#dangers\\\">Dangers naturels<\\\/a><\\\/li>\\n        \n\n<li><a href=\\\"#genie\\\">G\\u00e9nie Civil<\\\/a><\\\/li>\\n\\t\\t\n\n<li><a href=\\\"#travaux\\\">Travaux souterrains<\\\/a>\\n<\\\/li>\\n\\t\\t\n\n<li><a href=\\\"#energies\\\">\\u00c9nergies renouvelables<\\\/a>\\n<\\\/li>        \\n    <\\\/ul>\\n<\\\/div>\",\"css\":\".el-element {\\n       margin-bottom: 20px;\\n}\"},\"name\":\"recherche applique\"}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"html\",\"props\":{\"content\":\"<button class=\\\"uk-button uk-width-1-1 uk-button-primary\\\" type=\\\"button\\\">Th\\u00e9matiques de recherche fondamentale<\\\/button>\\n\n\n<div class=\\\"uk-width-1-2\\\" uk-dropdown=\\\"animation: uk-animation-slide-top-small; duration: 500; animate-out: true\\\">\\n    \n\n<ul class=\\\"uk-nav uk-dropdown-nav\\\">\\n        \n\n<h1 class=\\\"uk-nav-header uk-heading-bullet\\\">Th\\u00e9matiques<\\\/h1>\\n        \n\n<li><a href=\\\"#speleogenese\\\">Sp\\u00e9l\\u00e9ogen\\u00e8se<\\\/a><\\\/li>\\n        \n\n<li><a href=\\\"#climat\\\">Climat souterrain<\\\/a><\\\/li>\\n        \n\n<li><a href=\\\"#paleoclimats\\\">Enregistrements karstiques<\\\/a><\\\/li>\\n        \n\n<li><a href=\\\"#changement\\\">Changement climatique et karst<\\\/a><\\\/li>\\n    <\\\/ul>\\n<\\\/div>\",\"css\":\".el-element {\\n       margin-bottom: 50px;\\n}\"},\"name\":\"recherche fondamentale\"}]}]}]}]}]}],\"name\":\"G\\u00e9osciences\"},{\"type\":\"section\",\"props\":{\"css\":\"@media (max-width: 759px) {\\n    .el-row {\\n        padding-top: 135px;\\n    }\\n}\\n@media (max-width: 759px) and (orientation:landscape) {\\n    .el-row {\\n        padding-top: 140px;\\n    }\\n}\\n.el-section {\\n    font-family: 'Century Gothic', Verdana, sans-serif;\\n}\\n.el-section {\\n    margin-top: -100px;\\n}\\n    \",\"id\":\"appliquee\",\"image_position\":\"center-center\",\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"3-4\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Recherche appliqu\\u00e9e\",\"title_element\":\"h2\"},\"name\":\"Titre\"},{\"type\":\"headline\",\"props\":{\"content\":\"Ressources en eau\",\"title_element\":\"h3\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Les eaux souterraines repr\\u00e9sentent l\\u2019essentiel des ressources en eau en milieux calcaires. Ces ressources sont souvent de bonne qualit\\u00e9 et en quantit\\u00e9 suffisante, mais la difficult\\u00e9 reste leur accessibilit\\u00e9.\\nLocaliser et dimensionner des ouvrages de production d\\u2019eau en fonction de l\\u2019ad\\u00e9quation entre besoins et ressources disponibles n\\u00e9cessite une connaissance pr\\u00e9alable du milieu et des investigations sp\\u00e9cifiques.\\nL\\u2019ISSKA apporte des solutions pour la recherche, l\\u2019exploitation, la gestion et la protection des eaux souterraines en milieu calcaire.\\n<\\\/p>\",\"margin\":\"default\"},\"name\":\"Ressource en eau text\"},{\"type\":\"overlay-slider\",\"props\":{\"content_margin\":\"small\",\"content_style\":\"text-small\",\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"nav\":\"dotnav\",\"nav_align\":\"center\",\"nav_breakpoint\":\"\",\"overlay_display\":\"hover\",\"overlay_link\":false,\"overlay_mode\":\"caption\",\"overlay_padding\":\"small\",\"overlay_position\":\"bottom\",\"overlay_style\":\"overlay-default\",\"overlay_transition\":\"fade\",\"show_content\":true,\"show_hover_image\":true,\"show_link\":true,\"show_meta\":true,\"show_title\":true,\"slidenav\":\"default\",\"slidenav_breakpoint\":\"s\",\"slidenav_margin\":\"medium\",\"slidenav_outside_breakpoint\":\"xl\",\"slider_autoplay_pause\":true,\"slider_gap\":\"default\",\"slider_width\":\"\",\"slider_width_default\":\"1-1\",\"slider_width_medium\":\"1-3\",\"text_align\":\"center\",\"title_element\":\"h3\",\"title_hover_style\":\"reset\"},\"children\":[{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Mesure de la conductivit\\u00e9 de l'eau dans la grotte de Milandre (JU). \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/porrentruy-scaled.jpg\",\"text_color\":\"light\",\"title\":\"\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Localisation et cartographie des cours d'eau souterrains. \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/121002_UGPS_Moulin_LCDF_0003.JPG\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Lac souterrain dans la grotte Cr\\u00eate de Vaas. \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/S19-7.jpg\"}}]}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-4\"},\"children\":[{\"type\":\"panel\",\"props\":{\"content\":\"\n\n<h3 style=\\\"text-align: center;\\\"><br \\\/>Contact<\\\/h3>\\n\n\n<p style=\\\"text-align: center;\\\"><img src=\\\"https:\\\/\\\/devw.isska.ch\\\/wp-content\\\/uploads\\\/2024\\\/01\\\/Pierre_Yves-1-scaled.jpg\\\" alt=\\\"\\\" width=\\\"191\\\" height=\\\"255\\\" class=\\\"alignnone  wp-image-610\\\" \\\/><\\\/p>\\n\n\n<p style=\\\"text-align: center;\\\">Pierre-Yves Jeannin <br \\\/><a href=\\\"mailto:pierre-yves.jeannin@isska.ch\\\">Envoyer un e-mail<\\\/a><\\\/p><br \\\/>\",\"content_column_breakpoint\":\"m\",\"icon_width\":80,\"image\":\"\",\"image_align\":\"top\",\"image_grid_breakpoint\":\"m\",\"image_grid_width\":\"1-2\",\"image_svg_color\":\"emphasis\",\"image_width\":200,\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"panel_style\":\"card-default\",\"title_align\":\"top\",\"title_element\":\"h3\",\"title_grid_breakpoint\":\"m\",\"title_grid_width\":\"1-2\",\"title_hover_style\":\"reset\",\"visibility\":\"m\"},\"name\":\"Contact_Comp\"}]}],\"props\":{\"id\":\"ressource\",\"layout\":\"3-4,1-4\"}},{\"type\":\"row\",\"props\":{\"id\":\"dangers\",\"layout\":\"3-4,1-4\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"3-4\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Dangers naturels\",\"title_element\":\"h3\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Le karst joue un r\\u00f4le particulier dans la probl\\u00e9matique des dangers naturels. L'ISSKA a d\\u00e9velopp\\u00e9 des m\\u00e9thodes d'investigations pour l'\\u00e9valuation et la cartographie des dangers naturels suivants :<\\\/p>\",\"margin\":\"default\"},\"name\":\"Dangers naturels text\"},{\"type\":\"headline\",\"props\":{\"content\":\"Danger d'effondrements en milieu karstique\",\"title_element\":\"h5\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Dans les r\\u00e9gions karstiques, des effondrements se produisent r\\u00e9guli\\u00e8rement. L\\u2019\\u00e9tude de ces ph\\u00e9nom\\u00e8nes par des cas concrets nous permet de pr\\u00e9dire les conditions qui conduisent \\u00e0 ces \\u00e9v\\u00e8nements. Des cartes de zonation des risques d\\u2019effondrement peuvent donc \\u00eatre produites.<\\\/p>\",\"margin\":\"default\"},\"name\":\"Dangers naturels text\"},{\"type\":\"headline\",\"props\":{\"content\":\"Ressources\",\"title_element\":\"h5\"}},{\"type\":\"button\",\"props\":{\"fullwidth\":true,\"grid_column_gap\":\"small\",\"grid_row_gap\":\"small\",\"margin\":\"default\"},\"children\":[{\"type\":\"button_item\",\"props\":{\"button_style\":\"primary\",\"content\":\"Fiche synth\\u00e9tique \\\"effondrement de doline\\\"\",\"icon\":\"file-text\",\"icon_align\":\"left\",\"link\":\"https:\\\/\\\/devw.isska.ch\\\/pdf\\\/Fr\\\/Competences\\\/Fiche_explicative_effondrements_C1-2.pdf\"}}]},{\"type\":\"overlay-slider\",\"props\":{\"content_margin\":\"small\",\"content_style\":\"text-small\",\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"nav\":\"dotnav\",\"nav_align\":\"center\",\"nav_breakpoint\":\"\",\"overlay_display\":\"hover\",\"overlay_link\":false,\"overlay_mode\":\"caption\",\"overlay_padding\":\"small\",\"overlay_position\":\"bottom\",\"overlay_style\":\"overlay-default\",\"overlay_transition\":\"fade\",\"show_content\":true,\"show_hover_image\":true,\"show_link\":true,\"show_meta\":true,\"show_title\":true,\"slidenav\":\"default\",\"slidenav_breakpoint\":\"s\",\"slidenav_margin\":\"medium\",\"slidenav_outside_breakpoint\":\"xl\",\"slider_autoplay_pause\":true,\"slider_gap\":\"default\",\"slider_width\":\"\",\"slider_width_default\":\"1-1\",\"slider_width_medium\":\"1-3\",\"text_align\":\"center\",\"title_element\":\"h3\",\"title_hover_style\":\"reset\"},\"children\":[{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Effondrement en aval de la STEP de La Chaux-de-Fonds. \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/IMG_20230626_103142-scaled.jpg\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Doline d'effondrement dans un paturage jurassien. \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/CHA_0244-scaled.jpg\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Effondrement en plein centre-ville de La Chaux-de-Fonds (NE). \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/Effondrmt-Templalle-83_17.4.07-040-rotated.jpg\",\"text_color\":\"light\",\"title\":\"\"}}]},{\"type\":\"headline\",\"props\":{\"content\":\"Danger de crues en milieu karstique\",\"title_element\":\"h5\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Dans le karst, les \\u00e9coulements sont essentiellement souterrains donc invisibles. Il arrive cependant que la nappe souterraine atteigne la surface, inonde des endroits habituellement secs, et produise des augmentations brutales et cons\\u00e9quentes du d\\u00e9bit des rivi\\u00e8res. Gr\\u00e2ce aux mod\\u00e8les d\\u00e9velopp\\u00e9s par l'ISSKA (KARSYS, KarstMOD), il est possible de pr\\u00e9voir les inondations, les d\\u00e9bits des rivi\\u00e8res et de produire des cartes de dangers de crues, adapt\\u00e9es aux sp\\u00e9cificit\\u00e9s du karst.<\\\/p>\",\"margin\":\"default\"},\"name\":\"Dangers naturels text\"},{\"type\":\"overlay-slider\",\"props\":{\"content_margin\":\"small\",\"content_style\":\"text-small\",\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"nav\":\"dotnav\",\"nav_align\":\"center\",\"nav_breakpoint\":\"\",\"overlay_display\":\"hover\",\"overlay_link\":false,\"overlay_mode\":\"caption\",\"overlay_padding\":\"small\",\"overlay_position\":\"bottom\",\"overlay_style\":\"overlay-default\",\"overlay_transition\":\"fade\",\"show_content\":true,\"show_hover_image\":true,\"show_link\":true,\"show_meta\":true,\"show_title\":true,\"slidenav\":\"default\",\"slidenav_breakpoint\":\"s\",\"slidenav_margin\":\"medium\",\"slidenav_outside_breakpoint\":\"xl\",\"slider_autoplay_pause\":true,\"slider_gap\":\"default\",\"slider_width\":\"\",\"slider_width_default\":\"1-1\",\"slider_width_medium\":\"1-3\",\"text_align\":\"center\",\"title_element\":\"h3\",\"title_hover_style\":\"reset\"},\"children\":[{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Mont\\u00e9e du niveau de l'eau souterraine jusqu'\\u00e0 la surface lors d'une crue \\u00e0 Chevenez (JU). \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/04\\\/COMP_GEOSCI_IMG_5373-scaled.JPG\",\"text_color\":\"light\",\"title\":\"\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Inondation sur le cours de L'Allaine (JU). \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/IMG_5319-scaled.JPG\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Grotte de la Cascade (M\\u00f4tiers, NE) pendant la crue de 2006. \\u00a9ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/D0284_110-28.3.2006.jpg\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Carte de la vuln\\u00e9rabilit\\u00e9 du karst dans le canton du Saint-Gall.  \\u00a9ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/carte_vulnerabilite_pour_site_web.jpg\"}}]}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-4\"}}]},{\"type\":\"row\",\"props\":{\"id\":\"genie\",\"layout\":\"3-4,1-4\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"3-4\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"G\\u00e9nie civil\",\"title_element\":\"h3\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>L'ISSKA accompagne les projets de g\\u00e9nie civil en r\\u00e9gion karstique et propose des solutions pour pr\\u00e9venir les probl\\u00e8mes de stabilit\\u00e9, de venues d'eau ou d'infiltration des eaux grises.<\\\/p>\\n\n\n<p>L\\u2019ISSKA est fr\\u00e9quemment mandat\\u00e9 pour accompagner des projets d\\u2019am\\u00e9nagement de surface (autoroutes, parcs \\u00e9oliens) ou le percement d\\u2019ouvrages souterrains (tunnels, galeries, etc.).\\nA travers les activit\\u00e9s de recherche et d\\u00e9veloppement, l\\u2019ISSKA a mis au point des m\\u00e9thodes permettant d\\u2019identifier et de rem\\u00e9dier aux probl\\u00e8mes que posent les constructions en milieu karstique. La m\\u00e9thode KarstALEA, fruit d\\u2019une collaboration avec l\\u2019Office F\\u00e9d\\u00e9ral des Routes (OFROU) est une illustration des m\\u00e9thodes pratiques d\\u00e9velopp\\u00e9es par l\\u2019institut.\\n<\\\/p>\",\"margin\":\"default\"},\"name\":\"G\\u00e9nie civil text\"},{\"type\":\"headline\",\"props\":{\"content\":\"Ressources\",\"title_element\":\"h5\"}},{\"type\":\"button\",\"props\":{\"fullwidth\":true,\"grid_column_gap\":\"small\",\"grid_row_gap\":\"small\",\"margin\":\"default\"},\"children\":[{\"type\":\"button_item\",\"props\":{\"button_style\":\"primary\",\"content\":\"Brochure: M\\u00e9thode KarstALEA\",\"icon\":\"file-text\",\"icon_align\":\"left\",\"link\":\"https:\\\/\\\/devw.isska.ch\\\/pdf\\\/Fr\\\/Competences\\\/ISSKA_Brochure_KarstALEA_FR.pdf\"}},{\"type\":\"button_item\",\"props\":{\"button_style\":\"primary\",\"content\":\"Guide Pratique de la m\\u00e9thode KarstALEA\",\"icon\":\"file-text\",\"icon_align\":\"left\",\"link\":\"https:\\\/\\\/devw.isska.ch\\\/pdf\\\/De\\\/Kompetenzen\\\/KarstALEA.pdf\"}}]},{\"type\":\"overlay-slider\",\"props\":{\"content_margin\":\"small\",\"content_style\":\"text-small\",\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"nav\":\"dotnav\",\"nav_align\":\"center\",\"nav_breakpoint\":\"\",\"overlay_display\":\"hover\",\"overlay_link\":false,\"overlay_mode\":\"caption\",\"overlay_padding\":\"small\",\"overlay_position\":\"bottom\",\"overlay_style\":\"overlay-default\",\"overlay_transition\":\"fade\",\"show_content\":true,\"show_hover_image\":true,\"show_link\":true,\"show_meta\":true,\"show_title\":true,\"slidenav\":\"default\",\"slidenav_breakpoint\":\"s\",\"slidenav_margin\":\"medium\",\"slidenav_outside_breakpoint\":\"xl\",\"slider_autoplay_pause\":true,\"slider_gap\":\"default\",\"slider_width\":\"\",\"slider_width_default\":\"1-1\",\"slider_width_medium\":\"1-3\",\"text_align\":\"center\",\"title_element\":\"h3\",\"title_hover_style\":\"reset\"},\"children\":[{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Disparition d'un cours d'eau dans une grotte \\u00e0 Berg\\u00fcn (GR). \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/04\\\/COMP_GEOSCI_DSC_7823_v2-scaled.jpg\",\"text_color\":\"light\",\"title\":\"\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Reperage d'anciens conduits karstiques dans le \\\"Steinbruch Born\\\" (SO). \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/IMG_2645-scaled.jpg\",\"text_color\":\"light\",\"title\":\"\"}}],\"name\":\"Photo Slide\"}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-4\"}}]},{\"type\":\"row\",\"props\":{\"id\":\"travaux\",\"layout\":\"3-4,1-4\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"3-4\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Travaux souterrains\",\"title_element\":\"h3\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>L\\u2019ISSKA est sp\\u00e9cialis\\u00e9 dans les travaux de mesures et de documentation en milieu souterrain.<\\\/p>\\n\n\n<p>L\\u2019ISSKA intervient fr\\u00e9quemment pour l\\u2019\\u00e9tablissement de mod\\u00e8les souterrains permettant la compr\\u00e9hension, l\\u2019am\\u00e9nagement et l\\u2019exploitation des aspects g\\u00e9ologiques et hydrog\\u00e9ologiques souterrains. Diff\\u00e9rents outils peuvent \\u00eatre propos\\u00e9s pour la localisation, la topographie ou l\\u2019acquisition 3D des vides souterrains. Les exemples d\\u2019application sont nombreux :<\\\/p>\\n\n\n<ul>\\n\n\n<li>Dimensionnement d\\u2019am\\u00e9nagements souterrains: infrastructures touristiques, pose de conduites, etc. ou d\\u2019am\\u00e9nagements de surface en interaction avec le sous-sol;<\\\/li>\\n\n\n<li>Planification pour la strat\\u00e9gie d\\u2019exploitation de gisements souterrains (ex. mines de sel) ou pour l\\u2019\\u00e9valuation des capacit\\u00e9s de remblais;<\\\/li>\\n\n\n<li>Documentation des ouvrages souterrains historiques, etc.<\\\/li>\\n<\\\/ul>\\n\n\n<p>L\\u2019ISSKA poss\\u00e8de aussi une grande exp\\u00e9rience en ce qui concerne l\\u2019instrumentation de ph\\u00e9nom\\u00e8nes en milieux souterrains, notamment dans le cadre de suivi de la qualit\\u00e9 des eaux souterraines, de la qualit\\u00e9 de l\\u2019atmosph\\u00e8re souterraine ou des \\u00e9branlements lors de travaux d\\u2019am\\u00e9nagement.<\\\/p>\",\"margin\":\"default\"},\"name\":\"Travaux soutterains text\"},{\"type\":\"overlay-slider\",\"props\":{\"content_margin\":\"small\",\"content_style\":\"text-small\",\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"nav\":\"dotnav\",\"nav_align\":\"center\",\"nav_breakpoint\":\"\",\"overlay_display\":\"hover\",\"overlay_link\":false,\"overlay_mode\":\"caption\",\"overlay_padding\":\"small\",\"overlay_position\":\"bottom\",\"overlay_style\":\"overlay-default\",\"overlay_transition\":\"fade\",\"show_content\":true,\"show_hover_image\":true,\"show_link\":true,\"show_meta\":true,\"show_title\":true,\"slidenav\":\"default\",\"slidenav_breakpoint\":\"s\",\"slidenav_margin\":\"medium\",\"slidenav_outside_breakpoint\":\"xl\",\"slider_autoplay_pause\":true,\"slider_gap\":\"default\",\"slider_width\":\"\",\"slider_width_default\":\"1-1\",\"slider_width_medium\":\"1-3\",\"text_align\":\"center\",\"title_element\":\"h3\",\"title_hover_style\":\"reset\"},\"children\":[{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Essai de tra\\u00e7age dans un gouffre de La Chaux-de-Fonds (NE). \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/04\\\/COMP_GEOSCI_IMG_7626-scaled.jpg\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Mesure 3D de la grotte TM800 (NE) par LiDAR. \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/IMG_20240315_024511-scaled.jpg\",\"title\":\"\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Mod\\u00e8le 3D de la grotte TM800 (NE) dans le tunnel de la Vue des Alpes. \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/TM800_VueDessus.jpg\",\"title\":\"\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Vue 3D du r\\u00e9seau Sieben-Hengste Hogant (BE). \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/sieben_Nathan-scaled.jpg\",\"title\":\"\"}}],\"name\":\"Photo Slide\"}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-4\"}}]},{\"type\":\"row\",\"props\":{\"id\":\"energies\",\"layout\":\"3-4,1-4\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"3-4\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"\\u00c9nergies renouvelables\",\"title_element\":\"h3\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Les r\\u00e9gions karstique sont de plus en plus concern\\u00e9es par l\\u2019am\\u00e9nagement d\\u2019infrastructures pour la production d\\u2019\\u00e9nergies renouvelables; principalement hydro\\u00e9lectrique, g\\u00e9othermique et \\u00e9olienne. L\\u2019ISSKA accompagne les maitres d\\u2019ouvrages dans les projets de d\\u00e9veloppement des \\u00e9nergies renouvelables dans ces r\\u00e9gions. \\n<\\\/p>\",\"margin\":\"default\"},\"name\":\"Energies renouvelables text\"},{\"type\":\"headline\",\"props\":{\"content\":\"Hydro\\u00e9lectricit\\u00e9 souterraine\",\"title_element\":\"h5\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Les eaux souterraines karstiques repr\\u00e9sentent un certain potentiel de production d\\u2019\\u00e9lectricit\\u00e9. Cette exploitation n\\u2019est toutefois pas sans risque pour le milieu et les risques doivent \\u00eatre \\u00e9valu\\u00e9s par des sp\\u00e9cialistes.<br \/>\\nL\\u2019ISSKA, au travers d\\u2019accompagnements de projets ou d\\u2019\\u00e9tudes d\\u2019impact est actif dans ce domaine. Nous sommes \\u00e0 m\\u00eame de poser un diagnostic au niveau de l\\u2019avant-projet pour voir si celui-ci a des chances d\\u2019aboutir et quelles adaptations seraient n\\u00e9cessaires pour \\u00eatre en accord avec diff\\u00e9rentes l\\u00e9gislations et instructions pratiques li\\u00e9es aux projets dans le karst.<\\\/p>\",\"margin\":\"default\"},\"name\":\"Energies renouvelables text\"},{\"type\":\"headline\",\"props\":{\"content\":\"Eoliennes\",\"title_element\":\"h5\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>L\\u2019implantation d\\u2019\\u00e9oliennes en milieux karstiques doit faire l\\u2019objet d\\u2019un accompagnement sp\\u00e9cifique sur le plan des impacts pour l\\u2019environnement et r\\u00e9ciproquement des risques de stabilit\\u00e9 pour l\\u2019ouvrage.<\\\/p>\",\"margin\":\"default\"},\"name\":\"Energies renouvelables text\"},{\"type\":\"button\",\"props\":{\"fullwidth\":true,\"grid_column_gap\":\"small\",\"grid_row_gap\":\"small\",\"margin\":\"default\",\"text_align\":\"center\"},\"children\":[{\"type\":\"button_item\",\"props\":{\"button_style\":\"primary\",\"content\":\"\\u00e9oliennes en r\\u00e9gion karstique\",\"icon\":\"file-text\",\"icon_align\":\"left\",\"link\":\"https:\\\/\\\/devw.isska.ch\\\/pdf\\\/Fr\\\/Competences\\\/brochure_eoliennes_f.pdf\",\"link_target\":\"blank\"}}],\"name\":\"Open_File_Button\"},{\"type\":\"headline\",\"props\":{\"content\":\"G\\u00e9othermie\",\"title_element\":\"h5\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Les m\\u00e9canismes de propagation de chaleur dans le sous-sol karstique sont tr\\u00e8s diff\\u00e9rents des autres environnements g\\u00e9ologiques. Les projets d\\u2019exploitation n\\u00e9cessitent souvent une adaptation et un accompagnement sp\\u00e9cialis\\u00e9. L\\u2019ISSKA poss\\u00e8de des outils et de l\\u2019exp\\u00e9rience dans ce cadre, et collabore avec le Centre d\\u2019hydrog\\u00e9ologie et de g\\u00e9othermie de l\\u2019Universit\\u00e9 de Neuch\\u00e2tel qui est un centre de comp\\u00e9tence reconnu.<\\\/p>\",\"margin\":\"default\"},\"name\":\"Energies renouvelables text\"}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-4\"}}]}],\"name\":\"Recherche appliqu\\u00e9e\"},{\"type\":\"section\",\"props\":{\"css\":\".el-section{\\n    margin-top: -50px;\\n}\",\"id\":\"Fondamentale\",\"image_position\":\"center-center\",\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"3-4\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Recherche fondamentale\",\"title_element\":\"h2\"},\"name\":\"Titre\"},{\"type\":\"headline\",\"props\":{\"content\":\"Sp\\u00e9l\\u00e9ogen\\u00e8se\",\"title_element\":\"h3\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Les grottes et le paysage karstique r\\u00e9sultent de la dissolution des calcaires dans les eaux de pluie. Dans certains cas, la dissolution peut r\\u00e9sulter d'autres causes (p.ex. des remont\\u00e9es de gaz profonds). Comprendre comment se forment les grottes pr\\u00e9sente un int\\u00e9r\\u00eat \\u00e9vident pour le sp\\u00e9l\\u00e9ologue qui les explore. Cependant, la pr\\u00e9vision de la pr\\u00e9sence d'un vide souterrain constitue aussi une information importante pour un ing\\u00e9nieur qui doit construire un tunnel ou pour un hydrog\\u00e9ologue qui doit capter de l'eau.<\\\/p>\\n\n\n<p>Plusieurs mod\\u00e8les num\\u00e9riques de sp\\u00e9l\\u00e9ogen\\u00e8se ont \\u00e9t\\u00e9 d\\u00e9velopp\\u00e9s au cours des 35 derni\\u00e8res ann\\u00e9es. Ils nous ont appris \\u00e9norm\\u00e9ment de choses sur les principes, les vitesses de formation et les grandes lignes de la g\\u00e9om\\u00e9trie des r\\u00e9seaux de galeries souterraines. Cependant, la caract\\u00e9risation des param\\u00e8tres de terrain, permettant d'alimenter ces mod\\u00e8les, est comparativement relativement en retard. L'ISSKA contribue donc par ses recherches \\u00e0 fournir des donn\\u00e9es de terrain, \\u00e0 les repr\\u00e9senter et \\u00e0 les confronter aux r\\u00e9sultats des mod\\u00e8les de simulation.<\\\/p>\\n\n\n<p>Les structures karstiques ne se d\\u00e9veloppent clairement pas de mani\\u00e8re al\\u00e9atoire. Nous en avons cern\\u00e9 les caract\\u00e9ristiques g\\u00e9n\\u00e9rales, et pouvons esquisser les zones potentiellement les plus karstifi\\u00e9es. Toutefois, pour g\\u00e9n\\u00e9rer des r\\u00e9seaux r\\u00e9alistes, il reste du travail pour les g\\u00e9n\\u00e9rations futures...<\\\/p>\\n\n\n<p>Nos travaux concernent surtout :<\\\/p>\\n\n\n<ul>\\n\n\n<li>La distribution spatiale des conduits karstiques (concept d'horizons d'inception)<\\\/li>\\n\n\n<li>La gen\\u00e8se des r\\u00e9seaux karstiques dans la zone \\u00e9piphr\\u00e9atique (loops)<\\\/li>\\n\n\n<li>L'\\u00e9tagement des r\\u00e9seaux karstiques (phases sp\\u00e9l\\u00e9og\\u00e9n\\u00e9tiques)<\\\/li>\\n<\\\/ul>\\n\n\n<p>Actuellement ils se concentrent surtout sur la pr\\u00e9vision de la position (probabiliste) des conduits et sur leur caract\\u00e9risation (taille, forme, remplissage, eau, etc.).<\\\/p>\",\"margin\":\"default\"},\"name\":\"Sp\\u00e9l\\u00e9ogen\\u00e8se text\"}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-4\"},\"children\":[{\"type\":\"panel\",\"props\":{\"content\":\"\n\n<h3 style=\\\"text-align: center;\\\"><br \\\/>Contact<\\\/h3>\\n\n\n<p style=\\\"text-align: center;\\\"><a href=\\\"https:\\\/\\\/devw.isska.ch\\\/wp-admin\\\/admin-ajax.php?action=kernel&amp;p=customizer&amp;site=https%3A%2F%2Fdevw.isska.ch%2Ffr%2Fcompetences%2Fformation-et-mediation%2F\\\" aria-label=\\\"Select Image\\\" class=\\\"uk-position-cover\\\"><\\\/a><img src=\\\"https:\\\/\\\/devw.isska.ch\\\/wp-content\\\/uploads\\\/2024\\\/01\\\/Marc_nb-225x300.jpg\\\" alt=\\\"\\\" width=\\\"225\\\" height=\\\"300\\\" class=\\\"alignnone wp-image-615 size-medium\\\" \\\/><\\\/p>\\n\n\n<p style=\\\"text-align: center;\\\">Marc L\\u00fctscher <br \\\/><a href=\\\"mailto:marc.luetscher@isska.ch\\\">Envoyer e-mail<\\\/a><\\\/p>\\n\n\n<p><\\\/p>\",\"content_column_breakpoint\":\"m\",\"css\":\".el-element {\\n    text-align: justify;\\n    font-family: 'Century Gothic', Verdana, sans-serif;\\n\\n}\",\"icon_width\":80,\"image\":\"\",\"image_align\":\"top\",\"image_grid_breakpoint\":\"m\",\"image_grid_width\":\"1-2\",\"image_svg_color\":\"emphasis\",\"image_width\":200,\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"panel_style\":\"card-default\",\"title_align\":\"top\",\"title_element\":\"h3\",\"title_grid_breakpoint\":\"m\",\"title_grid_width\":\"1-2\",\"title_hover_style\":\"reset\"},\"name\":\"Contact_Comp\"}]}],\"props\":{\"id\":\"speleogenese\",\"layout\":\"3-4,1-4\"}},{\"type\":\"row\",\"props\":{\"id\":\"climat\",\"layout\":\"3-4,1-4\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"3-4\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Climat souterrain\",\"title_element\":\"h3\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Sujet de premier abord tr\\u00e8s acad\\u00e9mique, la compr\\u00e9hension fine du climat souterrain est importante pour la gestion des grottes arch\\u00e9ologiques, orn\\u00e9es, touristiques ou m\\u00eame pour certains travaux sp\\u00e9l\\u00e9ologiques. Elle est aussi importante pour comprendre la thermique des massifs karstiques et par l\\u00e0 l'implantation de sondes g\\u00e9othermiques ou pour expliquer la pr\\u00e9sence d'une glaci\\u00e8re naturelle. Enfin, elle est n\\u00e9cessaire pour interpr\\u00e9ter les variations observ\\u00e9es dans la croissance des stalagmites et produire des reconstitutions pal\\u00e9oclimatiques.<\\\/p>\\n\n\n<p>Projets actuels:<\\\/p>\\n\n\n<ul>\\n\n\n<li><span><a href=\\\"https:\\\/\\\/devw.isska.ch\\\/cave-seds\\\/\\\" data-wplink-url-error=\\\"true\\\" target=\\\"_blank\\\" rel=\\\"noopener\\\">CaveSeds<\\\/a><\\\/span><\\\/li>\\n\n\n<li><span>Analyse des interactions entre ventilation, teneur en CO2 et chimie des eaux dans la grotte de Milandre<\\\/span><\\\/li>\\n\n\n<li><span>Suivi \\u00e0 long terme de quelques glaci\\u00e8res naturelles du Jura<\\\/span><\\\/li>\\n<\\\/ul>\\n\n\n<p>Projets pass\\u00e9s:<\\\/p>\\n\n\n<ul>\\n\n\n<li><span><a href=\\\"https:\\\/\\\/devw.isska.ch\\\/thermokarst\\\/\\\" data-wplink-url-error=\\\"true\\\" target=\\\"_blank\\\" rel=\\\"noopener\\\">Thermokarst<\\\/a><\\\/span><\\\/li>    \\n\n\n<li><span>Etude des glaci\\u00e8res naturelles du Jura<\\\/span><\\\/li>\\n\n\n<li><span>Analyse du climat de la grotte de Lascaux<\\\/span><\\\/li>\\n\n\n<li><span>Etude de la thermique des massifs karstiques<\\\/span><\\\/li>\\n\n\n<li><span>Evaluation du potentiel thermique des massifs karstiques<\\\/span><\\\/li>\\n\n\n<li><span>Essai de ventilation artificielle d'une cavit\\u00e9 karstique (Milandre)<\\\/span><\\\/li>\\n<\\\/ul>\",\"margin\":\"default\"},\"name\":\"Climat souterrain text\"}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-4\"}}]},{\"type\":\"row\",\"props\":{\"id\":\"paleoclimats\",\"layout\":\"3-4,1-4\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"3-4\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Enregistrements karstiques\",\"title_element\":\"h3\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Isol\\u00e9es des processus d\\u2019\\u00e9rosion ext\\u00e9rieurs, les grottes pr\\u00e9servent des s\\u00e9quences s\\u00e9dimentaires sur des centaines de milliers, voire millions d\\u2019ann\\u00e9es. L\\u2019\\u00e9tude de ces d\\u00e9p\\u00f4ts, qu\\u2019il s\\u2019agisse de s\\u00e9diments d\\u00e9tritiques (i.e. laminites, galets) ou de sp\\u00e9l\\u00e9oth\\u00e8mes (i.e stalagmites), apporte une information pr\\u00e9cieuse sur les changements climatiques et environnementaux au cours du temps. Qu\\u2019il s\\u2019agisse de cycles glaciaires ou de fluctuations saisonni\\u00e8res les s\\u00e9diments des grottes renferment une information pr\\u00e9cieuse sur notre environnement pass\\u00e9. <br\\\/>Outre la datation de ces s\\u00e9diments, les \\u00e9tudes de l\\u2019ISSKA portent sur leur signature min\\u00e9ralogique (calcite, aragonite, quartz, \\u2026), g\\u00e9ochimique (Mg, Sr, Ba, S, \\u2026) et isotopique (d18O, d13C,\\u2026) mais \\u00e9galement leur contenu faunistique (micro-invert\\u00e9rbr\\u00e9s, ossements) et botanique (pollens).<\\\/p>\\n\n\n<p>Voir \\u00e9galement notre comp\\u00e9tence <a href=\\\"https:\\\/\\\/devw.isska.ch\\\/fr\\\/competences\\\/archeozoologie\\\/\\\" rel=\\\"noopener\\\">en arch\\u00e9ozoologie<\\\/a>.\",\"margin\":\"default\"},\"name\":\"Pal\\u00e9oclimats text\"},{\"type\":\"overlay-slider\",\"props\":{\"content_margin\":\"small\",\"content_style\":\"text-small\",\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"nav\":\"dotnav\",\"nav_align\":\"center\",\"nav_breakpoint\":\"\",\"overlay_display\":\"hover\",\"overlay_link\":false,\"overlay_mode\":\"caption\",\"overlay_padding\":\"small\",\"overlay_position\":\"bottom\",\"overlay_style\":\"overlay-default\",\"overlay_transition\":\"fade\",\"show_content\":true,\"show_hover_image\":true,\"show_link\":true,\"show_meta\":true,\"show_title\":true,\"slidenav\":\"default\",\"slidenav_breakpoint\":\"s\",\"slidenav_margin\":\"medium\",\"slidenav_outside_breakpoint\":\"xl\",\"slider_autoplay_pause\":true,\"slider_gap\":\"default\",\"slider_width\":\"\",\"slider_width_default\":\"1-1\",\"slider_width_medium\":\"1-3\",\"text_align\":\"center\",\"title_element\":\"h3\",\"title_hover_style\":\"reset\"},\"children\":[{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Stalagmite coup\\u00e9e en vue d'analyses. \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/S17-9-scaled-1.jpg\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Les calcites cryog\\u00e9niques se forment lors de la cong\\u00e9lation de l'eau du karst. Elles t\\u00e9moignent \\u00e0 la fois de temp\\u00e9ratures inf\\u00e9rieures \\u00e0 0\\u00b0C et de la pr\\u00e9sence d'eau liquide dans une cavit\\u00e9. Leur \\u00e9tude permet de reconstruire l'\\u00e9volution du permafrost au cours du temps. \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/PA030052-scaled.jpg\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"content\":\"\n\n<p>Les s\\u00e9quences d\\u00e9tritiques observ\\u00e9es dans les grottes informent sur les changements environnementaux pass\\u00e9s et peuvent \\u00eatre dat\\u00e9es par des m\\u00e9thodes isotopiques. \\u00a9 ISSKA<\\\/p>\",\"image\":\"wp-content\\\/uploads\\\/2024\\\/05\\\/20240521_205132-scaled-scaled.jpg\"}}],\"name\":\"Photo Slide\"}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-4\"}}]},{\"type\":\"row\",\"props\":{\"id\":\"changement\",\"layout\":\"3-4,1-4\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"3-4\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Changement climatique et karst\",\"title_element\":\"h3\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p><span>Les conditions climatiques exercent de nombreuses influences sur le karst. Parmi celles-ci  l'ISSKA \\u00e9value principalement l'effet du changement climatique sur les \\u00e9l\\u00e9ments suivants.<\\\/span><\\\/p>\\n\n\n<ul>\\n\n\n<li><span>L'infiltration d'eau dans le sous-sol ou recharge des aquif\\u00e8res. Elle Influence directement la quantit\\u00e9 d'eau souterraine disponible. Elle r\\u00e9sulte d'un \\u00e9quilibre d\\u00e9licat entre facteurs climatiques (pr\\u00e9cipitations, temp\\u00e9rature...) et biop\\u00e9dologiques (v\\u00e9g\\u00e9tation et sols).<\\\/span><\\\/li>\\n\n\n<li><span>La pr\\u00e9cipitation de calcite dans les stalagmites concerne surtout la reconstitution pal\\u00e9oclimatique. Les couches de calcite d\\u00e9pos\\u00e9es dans les stalagmites enregistrent les conditions climatiques r\\u00e9gnant au moment de leur d\\u00e9p\\u00f4t, de mani\\u00e8re analogue aux anneaux du tronc d'un arbre.<\\\/span><\\\/li>\\n\n\n<li><span>La dissolution du calcaire joue un r\\u00f4le dans le ralentissement du r\\u00e9chauffement climatique. En effet, il est d\\u00e9montr\\u00e9 que le r\\u00e9chauffement climatique accentue l'activit\\u00e9 biologique des sols, induisant une augmentation de la teneur en CO2 du sol. L'eau qui s'infiltre dans le sol dissout par cons\\u00e9quent plus de CO2, ce qui lui permet ensuite de dissoudre plus de calcaire. Il en r\\u00e9sulte que pour chaque mol\\u00e9cule suppl\\u00e9mentaire de calcaire dissous, une mol\\u00e9cule a \\u00e9t\\u00e9 pr\\u00e9lev\\u00e9e dans le sol, donc dans l'atmosph\\u00e8re terrestre. Ce pr\\u00e9l\\u00e8vement de CO2 pourrait expliquer une partie importante de ce que les sp\\u00e9cialistes nomment le \\\"carbon sink\\\", c'est-\\u00e0-dire le fait que le CO2 atmosph\\u00e9rique augmente moins vite que les estimations des mod\\u00e8les.<\\\/span><\\\/li>\\n<\\\/ul>\",\"margin\":\"default\"},\"name\":\"Changement climatique et karst text\"}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-4\"}}]}],\"name\":\"Recherche fondamentale\"},{\"type\":\"section\",\"props\":{\"image_position\":\"center-center\",\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"panel\",\"props\":{\"content\":\"\n\n<h3 style=\\\"text-align: center;\\\"><br \\\/>Contact<\\\/h3>\\n\n\n<p style=\\\"text-align: center;\\\"><img src=\\\"https:\\\/\\\/devw.isska.ch\\\/wp-content\\\/uploads\\\/2024\\\/01\\\/Pierre_Yves-1-scaled.jpg\\\" alt=\\\"\\\" width=\\\"191\\\" height=\\\"255\\\" class=\\\"alignnone  wp-image-610\\\" \\\/><\\\/p>\\n\n\n<p style=\\\"text-align: center;\\\">Pierre-Yves Jeannin <br \\\/><a href=\\\"mailto:pierre-yves.jeannin@isska.ch\\\">Envoyer e-mail<\\\/a><\\\/p><br \\\/>\",\"content_column_breakpoint\":\"m\",\"css\":\".el-element {\\n    text-align: justify;\\n    font-family: 'Century Gothic', Verdana, sans-serif;\\n\\n}\",\"icon_width\":80,\"image\":\"\",\"image_align\":\"top\",\"image_grid_breakpoint\":\"m\",\"image_grid_width\":\"1-2\",\"image_svg_color\":\"emphasis\",\"image_width\":200,\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"panel_style\":\"card-default\",\"status\":\"disabled\",\"title_align\":\"top\",\"title_element\":\"h3\",\"title_grid_breakpoint\":\"m\",\"title_grid_width\":\"1-2\",\"title_hover_style\":\"reset\",\"visibility\":\"hidden-m\"},\"name\":\"Contact_Comp\"}]}]}]}],\"version\":\"4.3.5\"} --><\/p>","protected":false},"excerpt":{"rendered":"<p>Qui sommes-nous&nbsp;? Com\u00adp\u00e9\u00adtences Pres\u00adta\u00adtions G\u00e9os\u00adciences L\u2019ISSKA m\u00e8ne une acti\u00advi\u00adt\u00e9 scien\u00adti\u00adfique dans les dif\u00adf\u00e9\u00adrents domaines li\u00e9s au karst&nbsp;: g\u00e9o\u00adlo\u00adgie, hydro\u00adg\u00e9o\u00adlo\u00adgie, g\u00e9o\u00admor\u00adpho\u00adlo\u00adgie, pal\u00e9o\u00adcli\u00adma\u00adto\u00adlo\u00adgie. Les connais\u00adsances acquises et les com\u00adp\u00e9\u00adtences d\u00e9ve\u00adlop\u00adp\u00e9es au sein de l\u2019Institut, depuis plus de vingt ans nous per\u00admettent d\u2019intervenir sur toutes les pro\u00adbl\u00e9\u00adma\u00adtiques qui peuvent sur\u00adve\u00adnir lors de la conduite de pro\u00adjets en [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"parent":189,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"wp_typography_post_enhancements_disabled":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-1526","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/devw.isska.ch\/de\/wp-json\/wp\/v2\/pages\/1526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devw.isska.ch\/de\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/devw.isska.ch\/de\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/devw.isska.ch\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/devw.isska.ch\/de\/wp-json\/wp\/v2\/comments?post=1526"}],"version-history":[{"count":279,"href":"https:\/\/devw.isska.ch\/de\/wp-json\/wp\/v2\/pages\/1526\/revisions"}],"predecessor-version":[{"id":3257,"href":"https:\/\/devw.isska.ch\/de\/wp-json\/wp\/v2\/pages\/1526\/revisions\/3257"}],"up":[{"embeddable":true,"href":"https:\/\/devw.isska.ch\/de\/wp-json\/wp\/v2\/pages\/189"}],"wp:attachment":[{"href":"https:\/\/devw.isska.ch\/de\/wp-json\/wp\/v2\/media?parent=1526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devw.isska.ch\/de\/wp-json\/wp\/v2\/categories?post=1526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devw.isska.ch\/de\/wp-json\/wp\/v2\/tags?post=1526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}