{"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":"2026-06-11T11:49:17","modified_gmt":"2026-06-11T09:49:17","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-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<p class=\"wp-block-paragraph\">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:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Water age and transit time distributions<\/li>\n\n\n\n<li>Solute transport in catchments<\/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-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image is-resized\"><img alt=\"\" loading=\"lazy\" decoding=\"async\" width=\"880\" height=\"880\" src=\"https:\/\/wp.unil.ch\/hydrology\/files\/2023\/12\/3Dcatchment_logo.png\" alt=\"\" class=\"wp-image-399\" style=\"width:200px\" srcset=\"https:\/\/wp.unil.ch\/hydrology\/files\/2023\/12\/3Dcatchment_logo.png 880w, https:\/\/wp.unil.ch\/hydrology\/files\/2023\/12\/3Dcatchment_logo-300x300.png 300w, https:\/\/wp.unil.ch\/hydrology\/files\/2023\/12\/3Dcatchment_logo-150x150.png 150w, https:\/\/wp.unil.ch\/hydrology\/files\/2023\/12\/3Dcatchment_logo-768x768.png 768w, https:\/\/wp.unil.ch\/hydrology\/files\/2023\/12\/3Dcatchment_logo-540x540.png 540w\" sizes=\"auto, (max-width: 880px) 100vw, 880px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">News<\/h2>\n\n\n<ul class=\"wp-block-latest-posts__list has-dates wp-block-latest-posts has-small-font-size is-layout-flow wp-block-latest-posts-is-layout-flow\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/wp.unil.ch\/hydrology\/first-trip-to-mt-lozere\/\">First trip to Mt. Loz\u00e8re<\/a><time datetime=\"2026-08-31T12:22:52+02:00\" class=\"wp-block-latest-posts__post-date\">31 August 2026<\/time><div class=\"wp-block-latest-posts__post-full-content\">\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<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"925\" height=\"695\" 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<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"769\" 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<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" 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<\/div>\n<\/div>\n<\/div><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/wp.unil.ch\/hydrology\/water-demography-at-the-unil-7x7-de-la-recherche\/\">Water demography at the UNIL 7&#215;7 de la Recherche<\/a><time datetime=\"2026-06-09T11:24:51+02:00\" class=\"wp-block-latest-posts__post-date\">9 June 2026<\/time><div class=\"wp-block-latest-posts__post-full-content\">\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*) 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-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" 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\" 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\n\n\n<p class=\"wp-block-paragraph\">*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<\/p>\n<\/div><\/li>\n<\/ul>\n\n\n<p class=\"wp-block-paragraph\">see <a href=\"https:\/\/wp.unil.ch\/hydrology\/news\/\" data-type=\"page\" data-id=\"433\">all news<\/a><\/p>\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:&hellip;<\/p>\n","protected":false},"author":108,"featured_media":174,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-full-width.php","meta":{"_seopress_titles_title":"%%sitetitle%%","_seopress_titles_desc":"We are the Hydrology group at the Institute of Earth Surface Dynamics. 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