{"id":6,"date":"2019-11-28T16:00:19","date_gmt":"2019-11-28T15:00:19","guid":{"rendered":"http:\/\/wp.unil.ch\/modele\/?page_id=6"},"modified":"2026-09-10T16:51:35","modified_gmt":"2026-09-10T14:51:35","slug":"home","status":"publish","type":"page","link":"https:\/\/wp.unil.ch\/hydrology\/","title":{"rendered":"Water flow and solute transport"},"content":{"rendered":"\n<div class=\"wp-block-group alignwide is-style-unil-section has-background has-global-padding is-content-justification-left is-layout-constrained wp-container-core-group-is-layout-b9d953a9 wp-block-group-is-layout-constrained\" style=\"border-top-left-radius:20px;border-top-right-radius:20px;border-bottom-left-radius:20px;border-bottom-right-radius:20px;background-color:#fafeff;padding-top:var(--wp--preset--spacing--50);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50);background-image:linear-gradient(135deg,rgba(7,147,228,0) 0%,rgb(218,227,243) 100%);\">\n<div class=\"wp-block-columns alignwide are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-71693221 wp-block-columns-is-layout-flex\" style=\"margin-top:0;margin-bottom:0\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-container-core-column-is-layout-0c22cdd7 wp-block-column-is-layout-flow\" style=\"flex-basis:70%\">\n<h2 class=\"wp-block-heading has-x-large-font-size\" style=\"margin-bottom:var(--wp--preset--spacing--30);line-height:1.3\">We are the Hydrology group at the Institute of Earth Surface Dynamics<\/h2>\n\n\n\n<p class=\"has-large-font-size wp-block-paragraph\">We do research in catchment ecohydrology. We build models and do field work.<\/p>\n\n\n\n<p class=\"has-large-font-size wp-block-paragraph\">Our research includes:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Water age and transit time distribution<\/li>\n\n\n\n<li>Solute transport in catchements<\/li>\n\n\n\n<li>Isotope ecohydrology<\/li>\n\n\n\n<li>Soil column experiments<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:30%\">\n<figure class=\"wp-block-image size-large is-style-unil-rounded\"><img decoding=\"async\" src=\"https:\/\/wp.unil.ch\/hydrology\/files\/2023\/12\/3Dcatchment_logo.png\" alt=\"\u00a9 Chris Greenhow\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-accent-4-color has-alpha-channel-opacity has-accent-4-background-color has-background is-style-default\" style=\"margin-top:var(--wp--preset--spacing--60);margin-bottom:var(--wp--preset--spacing--50)\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">News<\/h2>\n\n\n\n<div class=\"wp-block-query is-layout-flow wp-block-query-is-layout-flow\"><ul class=\"wp-block-post-template is-layout-flow wp-block-post-template-is-layout-flow\"><li class=\"wp-block-post post-1323 post type-post status-publish format-standard category-uncategorized\">\n<h3 style=\"margin-top:0;margin-bottom:0\" class=\"wp-block-post-title\">First trip to Mt. Loz\u00e8re<\/h3>\n\n<div style=\"color:#666666;padding-top:var(--wp--preset--spacing--20)\" class=\"has-link-color wp-elements-1 wp-block-post-date has-text-color\"><time datetime=\"2026-09-08T08:43:25.633Z\">8 September 2026<\/time><\/div>\n\n<div style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--70)\" class=\"entry-content wp-block-post-content is-layout-flow wp-container-core-post-content-is-layout-c50485f3 wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">The new SNSF-NSF project &#8220;DrySpell&#8221; will include substantial fieldwork activities at the <a href=\"https:\/\/maps.app.goo.gl\/PhuCzipboEwWfPtZ8\">Mt. Loz\u00e8re area<\/a> where multiple experimental catchments have been monitored for years. Mt. Loz\u00e8re is hydrologically very interesting because it has a mediterranean climate with dry summers and very wet autumns. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The hydrology lab visited the site for the first time in August 2026, when most streams were dry or barely trickling.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"925\" height=\"695\" data-id=\"1324\" src=\"https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/pxl_20260820_121631299_sm.jpg\" alt=\"The grassland around the meteo station in Vialasse\" class=\"wp-image-1324\" srcset=\"https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/pxl_20260820_121631299_sm.jpg 925w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/pxl_20260820_121631299_sm-768x577.jpg 768w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/pxl_20260820_121631299_sm-300x225.jpg 300w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/pxl_20260820_121631299_sm-540x406.jpg 540w\" sizes=\"auto, (max-width: 925px) 100vw, 925px\" \/><figcaption class=\"wp-element-caption\">The grassland around the meteo station in Vialasse<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"769\" data-id=\"1326\" src=\"https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/pxl_20260821_081332765_sm-1024x769.jpg\" alt=\"Dry streambed in Sapine\" class=\"wp-image-1326\" srcset=\"https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/pxl_20260821_081332765_sm-1024x769.jpg 1024w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/pxl_20260821_081332765_sm-300x225.jpg 300w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/pxl_20260821_081332765_sm-767x576.jpg 767w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/pxl_20260821_081332765_sm-540x405.jpg 540w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/pxl_20260821_081332765_sm-1080x811.jpg 1080w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/pxl_20260821_081332765_sm.jpg 1156w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Dry streambed in Sapine<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"1325\" src=\"https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/gp010240_alta4338977861234968899_small-1024x768.jpg\" alt=\"Group picture (Paolo, Jenny, Fosco, Julien)\" class=\"wp-image-1325\" srcset=\"https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/gp010240_alta4338977861234968899_small-1024x768.jpg 1024w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/gp010240_alta4338977861234968899_small-300x225.jpg 300w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/gp010240_alta4338977861234968899_small-768x576.jpg 768w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/gp010240_alta4338977861234968899_small-540x405.jpg 540w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/gp010240_alta4338977861234968899_small-1080x810.jpg 1080w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/08\/gp010240_alta4338977861234968899_small.jpg 1152w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Group picture (Paolo, Jenny, Fosco, Julien)<\/figcaption><\/figure>\n<\/figure>\n<\/div>\n<\/li><li class=\"wp-block-post post-1176 post type-post status-publish format-standard category-uncategorized\">\n<h3 style=\"margin-top:0;margin-bottom:0\" class=\"wp-block-post-title\">Water demography at the UNIL 7&#215;7 de la Recherche<\/h3>\n\n<div style=\"color:#666666;padding-top:var(--wp--preset--spacing--20)\" class=\"has-link-color wp-elements-2 wp-block-post-date has-text-color\"><time datetime=\"2026-09-08T08:43:25.633Z\">8 September 2026<\/time><\/div>\n\n<div style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--70)\" class=\"entry-content wp-block-post-content is-layout-flow wp-container-core-post-content-is-layout-c50485f3 wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Paolo Benettin represented the Faculty of Geoscience and the Environment at a new type of event made to communicate academic research to a broad audience: the 7&#215;7! That is, 7 researchers presenting their research for 7 minutes each (in French).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The whole event is available <a href=\"https:\/\/www.youtube.com\/watch?v=0pT6oiR9r04\">here<\/a>, while Paolo&#8217;s specific presentation, featuring the link between water age and veterinary pharmaceuticals (based on recent work by Rakonjac et al, 2025<sup data-fn=\"bf985a6b-0f64-425b-9c2b-50bec9f8628d\" class=\"fn\"><a href=\"#bf985a6b-0f64-425b-9c2b-50bec9f8628d\" id=\"bf985a6b-0f64-425b-9c2b-50bec9f8628d-link\">1<\/a><\/sup>) is available <a href=\"https:\/\/www.youtube.com\/watch?v=TGrIHGUw668&amp;list=PLGLNN-KqKMrRB649zOmaby4cbIo_jkzE4&amp;index=3\">here<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Putting together a presentation of 7 minutes for a general audience takes much longer than preparing a 1-hour scientific presentation. But from time to time it is useful and also fun!<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"1177\" src=\"https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_82_small-1024x683.jpg\" alt=\"The whole team presenting at the 7x7 UNIL\" class=\"wp-image-1177\" srcset=\"https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_82_small-1024x683.jpg 1024w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_82_small-300x200.jpg 300w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_82_small-768x512.jpg 768w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_82_small-1536x1025.jpg 1536w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_82_small-540x360.jpg 540w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_82_small-1080x720.jpg 1080w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_82_small.jpg 1799w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">The whole team of presenters at the 7&#215;7 UNIL<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"1178\" src=\"https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_58_small-1024x683.jpg\" alt=\"Paolo Benettin inviting the audience to imagine an impermeable soil at the back of the room\" class=\"wp-image-1178\" srcset=\"https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_58_small-1024x683.jpg 1024w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_58_small-300x200.jpg 300w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_58_small-768x512.jpg 768w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_58_small-1536x1025.jpg 1536w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_58_small-540x360.jpg 540w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_58_small-1080x720.jpg 1080w, https:\/\/wp.unil.ch\/hydrology\/files\/2026\/06\/7x7_58_small.jpg 1799w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Paolo Benettin inviting the audience to imagine an impermeable soil at the back of the room<\/figcaption><\/figure>\n<\/figure>\n\n\n<ol class=\"wp-block-footnotes\"><li id=\"bf985a6b-0f64-425b-9c2b-50bec9f8628d\"><br>Reference: Rakonjac*, N., Miazza, R., Rinaldo, A., Ritsema, C. J., &amp;\u00a0<strong>Benettin<\/strong>, P. (<a href=\"https:\/\/doi.org\/10.1016\/j.jconhyd.2025.104704\">2025<\/a>). Short water transit times determine the fate of veterinary pharmaceuticals in lowland catchments.\u00a0<em>Journal of Contaminant Hydrology<\/em>.\u00a0 <a href=\"#bf985a6b-0f64-425b-9c2b-50bec9f8628d-link\" aria-label=\"Jump to footnote reference 1\">\u21a9\ufe0e<\/a><\/li><\/ol><\/div>\n<\/li><\/ul>\n\n\n<div class=\"wp-block-buttons alignwide is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-35f06ea7 wp-block-buttons-is-layout-flex\">\n<div style=\"--wp--block-button--width: 75;\" class=\"wp-block-button has-custom-width wp-block-button__width wp-block-button__width-75\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/wp.unil.ch\/hydrology\/news\/\">See all news<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>We are the Hydrology group at the Institute of Earth Surface Dynamics We do research in catchment ecohydrology. We build models and do field work. Our research includes: News<\/p>\n","protected":false},"author":108,"featured_media":174,"parent":0,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"hero-page","meta":{"_seopress_titles_title":"%%sitetitle%%","_seopress_titles_desc":"We are the Hydrology group at the Institute of Earth Surface Dynamics. We do research in catchment ecohydrology. We build models and do field work.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"class_list":["post-6","page","type-page","status-publish","has-post-thumbnail"],"_links":{"self":[{"href":"https:\/\/wp.unil.ch\/hydrology\/wp-json\/wp\/v2\/pages\/6","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.unil.ch\/hydrology\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/wp.unil.ch\/hydrology\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/hydrology\/wp-json\/wp\/v2\/users\/108"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/hydrology\/wp-json\/wp\/v2\/comments?post=6"}],"version-history":[{"count":5,"href":"https:\/\/wp.unil.ch\/hydrology\/wp-json\/wp\/v2\/pages\/6\/revisions"}],"predecessor-version":[{"id":1504,"href":"https:\/\/wp.unil.ch\/hydrology\/wp-json\/wp\/v2\/pages\/6\/revisions\/1504"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/hydrology\/wp-json\/wp\/v2\/media\/174"}],"wp:attachment":[{"href":"https:\/\/wp.unil.ch\/hydrology\/wp-json\/wp\/v2\/media?parent=6"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}