{"id":537,"date":"2026-06-23T13:06:42","date_gmt":"2026-06-23T13:06:42","guid":{"rendered":"https:\/\/dev.www.purdue.edu\/fnr\/bataille\/?page_id=537"},"modified":"2026-06-23T14:14:45","modified_gmt":"2026-06-23T14:14:45","slug":"arctic-river-hydrology","status":"publish","type":"page","link":"https:\/\/www.purdue.edu\/fnr\/bataille\/arctic-river-hydrology\/","title":{"rendered":"Arctic River Hydrology"},"content":{"rendered":"\n<div class=\"wp-block-group alignwide\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h1 class=\"wp-block-heading\">Arctic River Hydrology<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The Arctic is warming faster than anywhere on Earth, reshaping its rivers and watersheds. We use isotope tracers and machine learning to study water and weathering across northern river basins \u2014 mapping tap-water and surface-water isotopes across Canada, tracing lithium and strontium isotope variability across the Yukon River basin, and developing scalable permafrost mapping. This research links isotope geochemistry to water-resource sustainability, contaminant cycling, weathering, and carbon cycling in a rapidly changing subarctic landscape.<\/p>\n<\/div><\/div>\n\n\n\n<div  class=\"purdue-home-featured-story \">\n    <div class=\"section has-none-background\">\n        <div class=\"container\">\n\n                                            <div class=\"tagged-header-container\">\n                    <h2 class=\"tagged-header tagged-header--gold\">Model and Spatial Distribution<\/h2>\n                <\/div>\n            \n            <div class=\"columns purdue-home-featured-story__container\">\n                <div class=\"column purdue-home-featured-story__image-container\">\n\n                                            <figure class=\"image is-16by9\">\n                                                            <img decoding=\"async\" class=\"purdue-home-background-image\" alt=\"Conceptual model and spatial distribution of lithium isotope (\u03b4\u2077Li) variability across permafrost and glaciation regimes. See caption below for more details.\" src=\"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-content\/uploads\/2026\/06\/conceputual-modeling-glaciation-regimes.jpeg\"\/>\n                                                    <\/figure>\n                    \n                <\/div>\n                <div class=\"column purdue-home-featured-story__content-container\">\n                                                                    <h3 class=\"purdue-home-featured-story__header\"><strong>Conceptual model and spatial distribution of lithium isotope (\u03b4\u2077Li) variability across permafrost and glaciation regimes.<\/strong><\/h3>\n                    \n                    \n\n<p class=\"wp-block-paragraph\">Top panels illustrate how fluid pathways, mineral weathering, and lithium exchange differ along a topographic gradient from floodplains to mountains under three scenarios:<br>(1) no Quaternary glaciation with minimal permafrost<br>(2) past glaciations with discontinuous permafrost<br>(3) present-day glaciers with continuous permafrost<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These conditions control Li release and uptake by primary and secondary minerals, generating distinct \u03b4\u2077Li signatures. The bottom panel maps \u03b4\u2077Li values across a mountainous region, highlighting spatial patterns associated with continuous, discontinuous, and sporadic permafrost zones and glaciated terrains.<\/p>\n\n\n                    \n                <\/div>\n            <\/div>\n\n        <\/div>\n    <\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Arctic River Hydrology The Arctic is warming faster than anywhere on Earth, reshaping its rivers and watersheds. We use isotope tracers and machine learning to study water and weathering across northern river basins \u2014 mapping tap-water and surface-water isotopes across<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-537","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/pages\/537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/comments?post=537"}],"version-history":[{"count":17,"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/pages\/537\/revisions"}],"predecessor-version":[{"id":733,"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/pages\/537\/revisions\/733"}],"wp:attachment":[{"href":"https:\/\/www.purdue.edu\/fnr\/bataille\/wp-json\/wp\/v2\/media?parent=537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}