{"id":1472,"date":"2025-08-11T14:47:04","date_gmt":"2025-08-11T18:47:04","guid":{"rendered":"https:\/\/sites.temple.edu\/geotoran\/?p=1472"},"modified":"2025-08-11T14:48:01","modified_gmt":"2025-08-11T18:48:01","slug":"new-paper-on-errors-in-impervious-cover-calculations","status":"publish","type":"post","link":"https:\/\/sites.temple.edu\/geotoran\/2025\/08\/11\/new-paper-on-errors-in-impervious-cover-calculations\/","title":{"rendered":"New paper on errors in impervious cover calculations"},"content":{"rendered":"<p>Coarse resolution (30-m) impervious cover (IC) tends to underpredict total IC compared to fine (1-m) resolution. Furthermore, using % IC as a metric to describe urban watersheds is problematic because parameters such as flashiness that correlate linearly over the full range of % IC (including non-urban and highly urban watersheds) do not correlate in the middle range between 10 to 40% IC.\u00a0 Including end members in the metrics applied when comparing watersheds in the middle range of % IC could create a bias based on non-urban and highly urban watersheds.<\/p>\n<p><a href=\"https:\/\/sites.temple.edu\/geotoran\/files\/2025\/08\/Toran_GraphicalAbstract-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1474\" src=\"https:\/\/sites.temple.edu\/geotoran\/files\/2025\/08\/Toran_GraphicalAbstract-300x109.jpg\" alt=\"\" width=\"677\" height=\"246\" srcset=\"https:\/\/sites.temple.edu\/geotoran\/files\/2025\/08\/Toran_GraphicalAbstract-300x109.jpg 300w, https:\/\/sites.temple.edu\/geotoran\/files\/2025\/08\/Toran_GraphicalAbstract-1024x373.jpg 1024w, https:\/\/sites.temple.edu\/geotoran\/files\/2025\/08\/Toran_GraphicalAbstract-768x280.jpg 768w, https:\/\/sites.temple.edu\/geotoran\/files\/2025\/08\/Toran_GraphicalAbstract-1536x559.jpg 1536w, https:\/\/sites.temple.edu\/geotoran\/files\/2025\/08\/Toran_GraphicalAbstract-2048x746.jpg 2048w\" sizes=\"auto, (max-width: 677px) 100vw, 677px\" \/><\/a><\/p>\n<p>Read more in a <a href=\"https:\/\/sites.temple.edu\/geotoran\/files\/2025\/08\/Toranetal_IC_HP_WithFigures.pdf\">paper published in Hydrological Processes<\/a>\u00a0 with coauthors from the NSF-funded Urban Critical Zone project.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Coarse resolution (30-m) impervious cover (IC) tends to underpredict total IC compared to fine (1-m) resolution. Furthermore, using % IC as a metric to describe urban watersheds is problematic because parameters such as flashiness that correlate linearly over the full &hellip; <a href=\"https:\/\/sites.temple.edu\/geotoran\/2025\/08\/11\/new-paper-on-errors-in-impervious-cover-calculations\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":4114,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1472","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/posts\/1472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/users\/4114"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/comments?post=1472"}],"version-history":[{"count":3,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/posts\/1472\/revisions"}],"predecessor-version":[{"id":1476,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/posts\/1472\/revisions\/1476"}],"wp:attachment":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/media?parent=1472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/categories?post=1472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/tags?post=1472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}