{"id":2881,"date":"2025-01-27T15:22:21","date_gmt":"2025-01-27T14:22:21","guid":{"rendered":"https:\/\/www.isska.ch\/fr\/?page_id=2881"},"modified":"2025-10-16T16:55:22","modified_gmt":"2025-10-16T14:55:22","slug":"cave-seds","status":"publish","type":"page","link":"https:\/\/www.isska.ch\/en\/cave-seds\/","title":{"rendered":"Ca\u00adve\u00adSeds"},"content":{"rendered":"<ul>\n<li>\n        <a href=\"https:\/\/www.isska.ch\/qui-sommes-nous\">Qui sommes-nous?<\/a>\n    <\/li>\n<li>\n        <a href=\"https:\/\/www.isska.ch\/competences\/\">Comp\u00e9tences<\/a>\n    <\/li>\n<li>\n        <a href=\"https:\/\/www.isska.ch\/prestations\/\">Prestations<\/a>\n    <\/li>\n<\/ul>\n<h1>CaveSeds<\/h1>\n<div>Les preuves des glaciations du Pl\u00e9istoc\u00e8ne moyen dans l&rsquo;avant-pays suisse sont soit inexistantes (tr\u00e8s peu ou pas de moraines frontales ou lat\u00e9rales), soit trop indistinctes (clastes de quartzite \u00e9pars) pour \u00eatre cartographi\u00e9es et, par cons\u00e9quent, dat\u00e9es. Les traces de ces glaciations se trouvent donc principalement dans les s\u00e9diments des vall\u00e9es surcreus\u00e9es et ne sont accessibles qu&rsquo;au moyen de campagnes de carottage complexes. Certains de ces s\u00e9diments ont pu \u00eatre dat\u00e9s \u00e0 l&rsquo;aide de techniques de luminescence \u00e0 environ 200&rsquo;000 ans, mais l&rsquo;\u00e2ge des s\u00e9diments glaciaires les plus profonds et le moment du surcreusement associ\u00e9 aux glaciations les plus importantes restent toutefois totalement inconnus.<\/p>\n<p>Dans le cadre de ce projet (2024-2028), nous utilisons les s\u00e9diments glaciaires pi\u00e9g\u00e9s dans les grottes du Jura pour ajouter des contraintes spatio-temporelles aux principales glaciations alpines. Les s\u00e9diments clastiques compos\u00e9s de sable grossier, de galets et de cailloux provenant des Alpes pennines (quartzites, serpentines, diorites, etc.) ont p\u00e9n\u00e9tr\u00e9 dans les grottes en association avec le ruissellement glaciaire et enregistrent ainsi le moment o\u00f9 un glacier \u00e9tait suffisamment proche pour d\u00e9verser ses eaux dans les r\u00e9seaux de grottes. Nous proposons ici une approche multim\u00e9thodologique ax\u00e9e sur des investigations sur le terrain, des exp\u00e9riences de transport s\u00e9dimentaire et la datation par enfouissement \u00e0 l&rsquo;aide de nucl\u00e9ides cosmog\u00e9niques afin de d\u00e9terminer comment et quand ces clastes ont \u00e9t\u00e9 transport\u00e9s.<\/p>\n<p>Des relev\u00e9s g\u00e9omorphologiques d\u00e9taill\u00e9s fourniront des informations sur l&rsquo;\u00e9volution sp\u00e9l\u00e9og\u00e9n\u00e9tique et le contexte s\u00e9dimentaire afin de comprendre l&rsquo;histoire du transport des clastes individuels \u00e0 l&rsquo;int\u00e9rieur des syst\u00e8mes de grottes \u00e0 plusieurs niveaux. Notre interpr\u00e9tation s&rsquo;appuiera sur des exp\u00e9riences de surveillance in situ visant \u00e0 d\u00e9terminer la contrainte de cisaillement critique n\u00e9cessaire \u00e0 la remobilisation des clastes dans un environnement cavernicole complexe. Nous utiliserons la datation par enfouissement 10Be\/26Al pour d\u00e9terminer quand les s\u00e9diments de la grotte se sont d\u00e9pos\u00e9s. Cette technique est principalement connue dans le cadre d&rsquo;\u00e9tudes anthropologiques et est couramment utilis\u00e9e pour d\u00e9terminer les taux d&rsquo;incision fluviale. Notre proposition consiste toutefois \u00e0 l&rsquo;appliquer pour la premi\u00e8re fois \u00e0 la reconstruction de l&rsquo;\u00e9tendue des glaciers, ce qui n&rsquo;est possible qu&rsquo;en raison du contraste lithologique unique entre la source des clastes et leur site de d\u00e9p\u00f4t. Les \u00e2ges d&rsquo;enfouissement seront compl\u00e9t\u00e9s par la datation OSL des s\u00e9diments plus r\u00e9cents associ\u00e9s au refoulement glaciaire, et la datation U\/Th fournira les \u00e2ges minimaux \u00e0 partir des sp\u00e9l\u00e9oth\u00e8mes englobant les d\u00e9p\u00f4ts glaciaires.<\/p>\n<p>Les \u00e2ges absolus obtenus dans le cadre de ce projet fourniront des informations fondamentales et actuellement inexistantes sur le moment o\u00f9 les glaciers des Alpes \u00e9taient suffisamment importants pour envahir et m\u00eame recouvrir les montagnes du Jura. Nos donn\u00e9es pr\u00e9liminaires sugg\u00e8rent que cela a pu se produire non seulement au Pl\u00e9istoc\u00e8ne moyen, mais aussi au Pl\u00e9istoc\u00e8ne inf\u00e9rieur, pour lequel il n&rsquo;existe aucune cartographie des affleurements dans le Jura. Est-ce parce que les glaciers ne sont pas all\u00e9s aussi loin ou parce que les s\u00e9diments ont \u00e9t\u00e9 \u00e9rod\u00e9s par la suite lors de glaciations plus r\u00e9centes ? Quoi qu&rsquo;il en soit, notre projet donnera acc\u00e8s \u00e0 des archives inexploit\u00e9es, pr\u00e9serv\u00e9es de mani\u00e8re unique dans les s\u00e9diments des grottes, et, en les comparant avec la chronologie connue du Deckenschotter, contribuera de mani\u00e8re significative \u00e0 d\u00e9terminer quand les premi\u00e8res grandes glaciations alpines ont eu lieu. Ces donn\u00e9es peuvent \u00eatre facilement int\u00e9gr\u00e9es dans les activit\u00e9s de recherche en cours visant \u00e0 dater les carottes s\u00e9dimentaires provenant de vall\u00e9es surcreus\u00e9es.<\/p>\n<p><span><a href=\"https:\/\/data.snf.ch\/grants\/grant\/10001452\" data-wplink-url-error=\"true\" target=\"_blank\" rel=\"noopener\">Lien du projet CaveSeds sur le site du fonds national suisse<br \/>\n    <\/a><br \/>\n<\/span><\/div>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/01\/Affleurement_cavesed.jpeg\" alt=\"\"><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/01\/Mil_caveseds.jpeg\" alt=\"\"><\/p>\n<\/li>\n<\/ul>\n<h1>Phd students<\/h1>\n<div>\n<div>\n<h3 style=\"text-align: center;\">Contact<\/h3>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Neal_nb-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" class=\"alignnone wp-image-2778 size-medium\" srcset=\"https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Neal_nb-225x300.jpg 225w, https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Neal_nb-768x1024.jpg 768w, https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Neal_nb-1152x1536.jpg 1152w, https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Neal_nb-1535x2048.jpg 1535w, https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Neal_nb-9x12.jpg 9w, https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Neal_nb.jpg 1920w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/p>\n<p style=\"text-align: center;\">Neal Mathes<br \/><a href=\"mailto:neal.mathes@isska.ch\">Envoyer e-mail<\/a><\/p>\n<\/p>\n<\/div>\n<\/div>\n<div>\n<div>\n<h3 style=\"text-align: center;\">Contact<\/h3>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Ainhoa_nb-1-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" class=\"alignnone wp-image-2777 size-medium\" srcset=\"https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Ainhoa_nb-1-225x300.jpg 225w, https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Ainhoa_nb-1-768x1024.jpg 768w, https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Ainhoa_nb-1-1152x1536.jpg 1152w, https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Ainhoa_nb-1-1537x2048.jpg 1537w, https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Ainhoa_nb-1-9x12.jpg 9w, https:\/\/www.isska.ch\/wp-content\/uploads\/2024\/11\/Ainhoa_nb-1.jpg 1920w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/p>\n<p style=\"text-align: center;\">Ainhoa Val<br \/><a href=\"mailto:ainhoa.val@isska.ch\">Envoyer e-mail<\/a><\/p>\n<\/p>\n<\/div>\n<\/div>\n<h1>PIs<\/h1>\n<div> Marc Luetscher (SISKA), Naki Ak\u00e7ar (UniBe), Susan Ivy-Ochs (ETH).<\/div>\n<h1>Publications<\/h1>\n<div>\n<p>Mathes N., Luetscher M., Ivy-Ochs S., Dieleman C., Christl M., Vockenhuber C., Ak\u00e7ar N., 2025. Unraveling the history of the Alps&rsquo; largest glaciations: burial dating allochtonous sediments in the Jura. Climate Change, The Karst Record X, Cape Town 2025<\/p>\n<p>Val A., Mathes N., Ivy-Ochs S., Ak\u00e7ar N., Luetscher M., 2025. Characterizing sediment remobilization in caves. Climate Change, The Karst Record X, Cape Town 2025<\/p>\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:\\\/\\\/www.isska.ch\\\/qui-sommes-nous\"}},{\"type\":\"button_item\",\"props\":{\"button_style\":\"primary\",\"content\":\"Comp\\u00e9tences\",\"icon_align\":\"left\",\"link\":\"https:\\\/\\\/www.isska.ch\\\/competences\\\/\"}},{\"type\":\"button_item\",\"props\":{\"button_style\":\"primary\",\"content\":\"Prestations\",\"icon_align\":\"left\",\"link\":\"https:\\\/\\\/www.isska.ch\\\/prestations\\\/\"}}]}]}]}],\"name\":\"Header_fr\"},{\"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}\",\"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\":\"CaveSeds\",\"title_element\":\"h1\"},\"name\":\"Titre\"},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"Les preuves des glaciations du Pl\\u00e9istoc\\u00e8ne moyen dans l'avant-pays suisse sont soit inexistantes (tr\\u00e8s peu ou pas de moraines frontales ou lat\\u00e9rales), soit trop indistinctes (clastes de quartzite \\u00e9pars) pour \\u00eatre cartographi\\u00e9es et, par cons\\u00e9quent, dat\\u00e9es. Les traces de ces glaciations se trouvent donc principalement dans les s\\u00e9diments des vall\\u00e9es surcreus\\u00e9es et ne sont accessibles qu'au moyen de campagnes de carottage complexes. Certains de ces s\\u00e9diments ont pu \\u00eatre dat\\u00e9s \\u00e0 l'aide de techniques de luminescence \\u00e0 environ 200'000 ans, mais l'\\u00e2ge des s\\u00e9diments glaciaires les plus profonds et le moment du surcreusement associ\\u00e9 aux glaciations les plus importantes restent toutefois totalement inconnus.\\n<br \/>\\n<br \/>\\nDans le cadre de ce projet (2024-2028), nous utilisons les s\\u00e9diments glaciaires pi\\u00e9g\\u00e9s dans les grottes du Jura pour ajouter des contraintes spatio-temporelles aux principales glaciations alpines. Les s\\u00e9diments clastiques compos\\u00e9s de sable grossier, de galets et de cailloux provenant des Alpes pennines (quartzites, serpentines, diorites, etc.) ont p\\u00e9n\\u00e9tr\\u00e9 dans les grottes en association avec le ruissellement glaciaire et enregistrent ainsi le moment o\\u00f9 un glacier \\u00e9tait suffisamment proche pour d\\u00e9verser ses eaux dans les r\\u00e9seaux de grottes. Nous proposons ici une approche multim\\u00e9thodologique ax\\u00e9e sur des investigations sur le terrain, des exp\\u00e9riences de transport s\\u00e9dimentaire et la datation par enfouissement \\u00e0 l'aide de nucl\\u00e9ides cosmog\\u00e9niques afin de d\\u00e9terminer comment et quand ces clastes ont \\u00e9t\\u00e9 transport\\u00e9s.\\n<br \/>\\n<br \/>\\nDes relev\\u00e9s g\\u00e9omorphologiques d\\u00e9taill\\u00e9s fourniront des informations sur l'\\u00e9volution sp\\u00e9l\\u00e9og\\u00e9n\\u00e9tique et le contexte s\\u00e9dimentaire afin de comprendre l'histoire du transport des clastes individuels \\u00e0 l'int\\u00e9rieur des syst\\u00e8mes de grottes \\u00e0 plusieurs niveaux. Notre interpr\\u00e9tation s'appuiera sur des exp\\u00e9riences de surveillance in situ visant \\u00e0 d\\u00e9terminer la contrainte de cisaillement critique n\\u00e9cessaire \\u00e0 la remobilisation des clastes dans un environnement cavernicole complexe. Nous utiliserons la datation par enfouissement 10Be\\\/26Al pour d\\u00e9terminer quand les s\\u00e9diments de la grotte se sont d\\u00e9pos\\u00e9s. Cette technique est principalement connue dans le cadre d'\\u00e9tudes anthropologiques et est couramment utilis\\u00e9e pour d\\u00e9terminer les taux d'incision fluviale. Notre proposition consiste toutefois \\u00e0 l'appliquer pour la premi\\u00e8re fois \\u00e0 la reconstruction de l'\\u00e9tendue des glaciers, ce qui n'est possible qu'en raison du contraste lithologique unique entre la source des clastes et leur site de d\\u00e9p\\u00f4t. Les \\u00e2ges d'enfouissement seront compl\\u00e9t\\u00e9s par la datation OSL des s\\u00e9diments plus r\\u00e9cents associ\\u00e9s au refoulement glaciaire, et la datation U\\\/Th fournira les \\u00e2ges minimaux \\u00e0 partir des sp\\u00e9l\\u00e9oth\\u00e8mes englobant les d\\u00e9p\\u00f4ts glaciaires.\\n<br \/>\\n<br \/>\\nLes \\u00e2ges absolus obtenus dans le cadre de ce projet fourniront des informations fondamentales et actuellement inexistantes sur le moment o\\u00f9 les glaciers des Alpes \\u00e9taient suffisamment importants pour envahir et m\\u00eame recouvrir les montagnes du Jura. Nos donn\\u00e9es pr\\u00e9liminaires sugg\\u00e8rent que cela a pu se produire non seulement au Pl\\u00e9istoc\\u00e8ne moyen, mais aussi au Pl\\u00e9istoc\\u00e8ne inf\\u00e9rieur, pour lequel il n'existe aucune cartographie des affleurements dans le Jura. Est-ce parce que les glaciers ne sont pas all\\u00e9s aussi loin ou parce que les s\\u00e9diments ont \\u00e9t\\u00e9 \\u00e9rod\\u00e9s par la suite lors de glaciations plus r\\u00e9centes ? Quoi qu'il en soit, notre projet donnera acc\\u00e8s \\u00e0 des archives inexploit\\u00e9es, pr\\u00e9serv\\u00e9es de mani\\u00e8re unique dans les s\\u00e9diments des grottes, et, en les comparant avec la chronologie connue du Deckenschotter, contribuera de mani\\u00e8re significative \\u00e0 d\\u00e9terminer quand les premi\\u00e8res grandes glaciations alpines ont eu lieu. Ces donn\\u00e9es peuvent \\u00eatre facilement int\\u00e9gr\\u00e9es dans les activit\\u00e9s de recherche en cours visant \\u00e0 dater les carottes s\\u00e9dimentaires provenant de vall\\u00e9es surcreus\\u00e9es.\\n<br \/>\\n<br \/>\\n<span><a href=\\\"https:\\\/\\\/data.snf.ch\\\/grants\\\/grant\\\/10001452\\\" data-wplink-url-error=\\\"true\\\" target=\\\"_blank\\\" rel=\\\"noopener\\\">Lien du projet CaveSeds sur le site du fonds national suisse\\n    <\\\/a>\\n<\\\/span>\",\"margin\":\"default\"}},{\"type\":\"html\",\"props\":{\"content\":\"\n\n<div class=\\\"show-more-wrapper\\\">\\n    \n\n<div class=\\\"text-content\\\">\\n        \n\n<p>Evidence of middle Pleistocene glaciations in the Swiss foreland is either lacking (very few to no frontal or lateral moraines) or indistinct enough (scattered quartzite clasts) to be difficult to map and, therefore, to date. The record of such glaciations is thus mainly found in sediments of overdeepened valleys and can only be accessed through complex coring campaigns. Some of these sediments could be dated with luminescence techniques back to c. 200 ka but the age of the deepest glacial sediments and the timing of overdeepening associated with the most extensive glaciations remains, however, completely unknown.<br \/>\\n<br \/>In this project (2024-2028) we use glacial sediments trapped in caves in the Jura Mountains to add spatiotemporal constraints major Alpine glaciations. Clastic sediments comprising of coarse sands, pebbles and cobbles from the Pennine Alps (quartzites, serpentines, diorites, etc.) entered into caves in association with glacial runoff and, thus, record when a glacier was close enough to pour outwash into the cave systems. Here, we propose a multi-method approach centered on field investigations, sediment transport experiments and burial dating with cosmogenic nuclides to constrain how and when these clasts were delivered.<br \/>\\n<span class=\\\"more-text\\\">\\n <br \/>Detailed geomorphological surveying will inform about the speleogenetic evolution and sedimentation context to understand the transport history of individual clasts inside multi-level cave systems. Our interpretation will be supported by in-situ monitoring experiments to determine the critical shear stress needed for clast remobilization in a complex cave setting. We will use 10Be\\\/26Al burial dating to determine when the sediments in the cave were deposited. This technique is mainly renowned through anthropological studies and is commonly used to determine fluvial incision rates . Our proposal is, however, first to apply it for the reconstruction of glacier extents, which is only possible because of the unique lithology contrast between the source of the clasts and their deposition site. Burial ages will be complemented by OSL dating of younger sediments associated with glacial backflooding and U\\\/Th dating will provide minimum ages from speleothems encompassing the glacial deposits.<br \/>\\n<br \/>The absolute ages produced during this project will provide fundamental and at present completely lacking information on when glaciers from the Alps were large enough to invade and even cover the Jura Mountains. Our preliminary data suggests that this may have been not only during the middle Pleistocene but also during the early Pleistocene for which there are no mapped outcrops in the Jura. Is this because glaciers did not reach that far or because the sediments were subsequently eroded during younger glaciations? Whatever, our project will give access to an untapped record uniquely preserved in the cave sediments and, by comparing with the known timing of Deckenschotter, contribute significantly to determining when the first major Alpine glaciations occurred. This data can be well integrated into ongoing research activities aiming at dating sediment cores from overdeepened valleys.\\n<br \/>\\n<br \/>\\n<span><a href=\\\"https:\\\/\\\/data.snf.ch\\\/grants\\\/grant\\\/10001452\\\" data-wplink-url-error=\\\"true\\\" target=\\\"_blank\\\" rel=\\\"noopener\\\">Link to CaveSeds SNF page<\\\/a><\\\/span>\\n<\\\/span>\\n    <\\\/div>\\n    <button class=\\\"show-more-button\\\">Montrer plus<\\\/button>\\n\\t\\n\\n\",\"status\":\"disabled\"}},{\"type\":\"gallery\",\"props\":{\"filter_align\":\"left\",\"filter_all\":true,\"filter_grid_breakpoint\":\"m\",\"filter_grid_width\":\"auto\",\"filter_position\":\"top\",\"filter_style\":\"tab\",\"grid_default\":\"1\",\"grid_large\":\"2\",\"grid_medium\":\"3\",\"grid_xlarge\":\"2\",\"item_animation\":true,\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"overlay_hover\":true,\"overlay_mode\":\"cover\",\"overlay_position\":\"center\",\"overlay_style\":\"overlay-primary\",\"overlay_transition\":\"fade\",\"show_content\":true,\"show_hover_image\":true,\"show_link\":true,\"show_meta\":true,\"show_title\":true,\"text_align\":\"center\",\"text_color\":\"light\",\"title_element\":\"h3\",\"title_hover_style\":\"reset\"},\"children\":[{\"type\":\"gallery_item\",\"props\":{\"image\":\"wp-content\\\/uploads\\\/2025\\\/01\\\/Affleurement_cavesed.jpeg\"}},{\"type\":\"gallery_item\",\"props\":{\"image\":\"wp-content\\\/uploads\\\/2025\\\/01\\\/Mil_caveseds.jpeg\"}}]}]}]},{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Phd students\",\"title_element\":\"h1\"}},{\"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\":\"panel\",\"props\":{\"content\":\"\n\n<h3 style=\\\"text-align: center;\\\"><br \\\/>Contact<\\\/h3>\\n\n\n<p style=\\\"text-align: center;\\\"><img src=\\\"https:\\\/\\\/www.isska.ch\\\/wp-content\\\/uploads\\\/2024\\\/11\\\/Neal_nb-225x300.jpg\\\" alt=\\\"\\\" width=\\\"225\\\" height=\\\"300\\\" class=\\\"alignnone wp-image-2778 size-medium\\\" \\\/><\\\/p>\\n\n\n<p style=\\\"text-align: center;\\\">Neal Mathes<br \\\/><a href=\\\"mailto:neal.mathes@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\"}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-2\"},\"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:\\\/\\\/www.isska.ch\\\/wp-content\\\/uploads\\\/2024\\\/11\\\/Ainhoa_nb-1-225x300.jpg\\\" alt=\\\"\\\" width=\\\"225\\\" height=\\\"300\\\" class=\\\"alignnone wp-image-2777 size-medium\\\" \\\/><\\\/p>\\n\n\n<p style=\\\"text-align: center;\\\">Ainhoa Val<br \\\/><a href=\\\"mailto:ainhoa.val@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\"}]}]}]}]}]},{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"PIs\",\"title_element\":\"h1\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\" Marc Luetscher (SISKA), Naki Ak\\u00e7ar (UniBe), Susan Ivy-Ochs (ETH).\",\"margin\":\"default\"}}]}]},{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Publications\",\"title_element\":\"h1\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Mathes N., Luetscher M., Ivy-Ochs S., Dieleman C., Christl M., Vockenhuber C., Ak\\u00e7ar N., 2025. Unraveling the history of the Alps' largest glaciations: burial dating allochtonous sediments in the Jura. Climate Change, The Karst Record X, Cape Town 2025<br \\\/><br \\\/>Val A., Mathes N., Ivy-Ochs S., Ak\\u00e7ar N., Luetscher M., 2025. Characterizing sediment remobilization in caves. Climate Change, The Karst Record X, Cape Town 2025<\\\/p>\",\"margin\":\"default\"}}]}]}],\"name\":\"Thermokarst\"}],\"version\":\"4.3.5\"} --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qui sommes-nous? Comp\u00e9tences Prestations CaveSeds Les preuves des glaciations du Pl\u00e9istoc\u00e8ne moyen dans l&rsquo;avant-pays suisse sont soit inexistantes (tr\u00e8s peu ou pas de moraines frontales ou lat\u00e9rales), soit trop indistinctes (clastes de quartzite \u00e9pars) pour \u00eatre cartographi\u00e9es et, par cons\u00e9quent, dat\u00e9es. Les traces de ces glaciations se trouvent donc principalement dans les s\u00e9diments des vall\u00e9es [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"wp_typography_post_enhancements_disabled":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-2881","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.isska.ch\/en\/wp-json\/wp\/v2\/pages\/2881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.isska.ch\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.isska.ch\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.isska.ch\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.isska.ch\/en\/wp-json\/wp\/v2\/comments?post=2881"}],"version-history":[{"count":6,"href":"https:\/\/www.isska.ch\/en\/wp-json\/wp\/v2\/pages\/2881\/revisions"}],"predecessor-version":[{"id":3950,"href":"https:\/\/www.isska.ch\/en\/wp-json\/wp\/v2\/pages\/2881\/revisions\/3950"}],"wp:attachment":[{"href":"https:\/\/www.isska.ch\/en\/wp-json\/wp\/v2\/media?parent=2881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.isska.ch\/en\/wp-json\/wp\/v2\/categories?post=2881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.isska.ch\/en\/wp-json\/wp\/v2\/tags?post=2881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}