{"id":1151,"date":"2019-05-27T23:41:47","date_gmt":"2019-05-27T23:41:47","guid":{"rendered":"https:\/\/www.ampac1.com\/blog\/understanding-nitrate-contamination-based-on-the-relationship-between-changes-in-groundwater-levels-and-changes-in-water-quality-with-precipitation-fluctuations\/"},"modified":"2026-05-03T20:22:10","modified_gmt":"2026-05-04T03:22:10","slug":"understanding-nitrate-contamination-based-on-the-relationship-between-changes-in-groundwater-levels-and-changes-in-water-quality-with-precipitation-fluctuations","status":"publish","type":"post","link":"https:\/\/www.ampac1.com\/blog\/understanding-nitrate-contamination-based-on-the-relationship-between-changes-in-groundwater-levels-and-changes-in-water-quality-with-precipitation-fluctuations\/","title":{"rendered":"Understanding nitrate contamination based on the relationship between changes in groundwater levels and changes in water quality with precipitation fluctuations"},"content":{"rendered":"
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By:<\/span>Kawagoshi, Y (Kawagoshi, Yasunori)[\u00a0water<\/a>-quality-and-stream-flow-parameters\/”>Product<\/a>Code=Yes&product=CEL&Init=Yes&Func=Frame&action=retrieve&SrcApp=Alerting&SrcAuth=Alerting&SID=8B7eN1bPvPAKRZBfVlY&UT=WOS%3A000455903400016#addressWOS:000455903400016-1″>1<\/a>\u00a0]\u00a0<\/b><\/sup>; Suenaga, Y (Suenaga, Yuichi)[\u00a02<\/a>\u00a0]\u00a0<\/b><\/sup>; Chi, NL (Nguyen Linh Chi)[\u00a03<\/a>\u00a0]\u00a0<\/b><\/sup>; Hama, T (Hama, Takehide)[\u00a01<\/a>\u00a0]\u00a0<\/b><\/sup>; Ito, H (Ito, Hiroaki)[\u00a01<\/a>\u00a0]\u00a0<\/b><\/sup>; Duc, LV (Luong Van Duc)[\u00a01<\/a>\u00a0]<\/b><\/sup><\/p>\n

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SCIENCE OF THE TOTAL ENVIRONMENT<\/p>\n

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Volume:<\/span>\u00a0657<\/p>\n

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Pages:<\/span>\u00a0146-153<\/p>\n

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DOI:<\/span>\u00a010.1016\/j.scitotenv.2018.12.041<\/p>\n

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Published:<\/span>\u00a0MAR 20 2019<\/p>\n

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Document Type:<\/span>Article<\/p>\n

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Abstract<\/div>\n

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Nitrate contamination is a real worry in Kumamoto City. Over 700,000 people there rely completely on groundwater for drinking, so this is a huge deal. We noticed that some groundwater samples had wildly different nitrate levels, even when the sampling spots were pretty close. We figured this might be because of differences in the ground’s geology just below the surface.<\/p>\n

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To check this idea, we kept a close eye on groundwater levels and water quality for a long time at three nearby wells. What we found was interesting: each well reacted differently to changes. Well T1, where nitrate levels were between 12 and 26 mg N\/L, showed a really quick, distinct response to heavy rain. This suggests the ground around T1 is super permeable, letting rainwater quickly reach the aquifer.<\/p>\n

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But wells T2 and T3, which were only 0.6 and 1.9 km from T1, had much lower nitrate concentrations, from 4.5 to 8.0 mg N\/L. They also responded slowly to heavy rain. This tells us that the highly permeable ground near well T1 is probably why it had more serious nitrate contamination than T2 and T3.<\/p>\n

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This study really shows why it’s so important to monitor groundwater levels and quality carefully, over time, especially when it rains. It helps us understand exactly what’s going on with nitrate contamination. (C) 2018 Elsevier B.V. All rights reserved.<\/p>\n

\\nhttp:\/\/cel.webofknowledge.com\/InboundService.do?customersID=Alerting&smartRedirect=yes&mode=FullRecord&IsProductCode=Yes&product=CEL&Init=Yes&Func=Frame&action=retrieve&SrcApp=Alerting&SrcAuth=Alerting&SID=8B7eN1bPvPAKRZBfVlY&UT=WOS%3A000455903400016<\/a>\\n\\n<\/div>\n

\\nThe post Understanding nitrate contamination based on the relationship between changes in groundwater levels and changes in water quality with precipitation fluctuations<\/a> appeared first on Facts About Water<\/a>.\\n\\nSource: Water Feed<\/p>\n","protected":false},"excerpt":{"rendered":"

There are growing concerns about nitrate contamination in Kumamoto City, where >700,000 people completely depend on groundwater<\/p>\n","protected":false},"author":1,"featured_media":87987,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[24,29],"tags":[22],"class_list":["post-1151","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-water-filter","category-water-treatment","tag-ro"],"_links":{"self":[{"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/posts\/1151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/comments?post=1151"}],"version-history":[{"count":2,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/posts\/1151\/revisions"}],"predecessor-version":[{"id":88241,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/posts\/1151\/revisions\/88241"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/media\/87987"}],"wp:attachment":[{"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/media?parent=1151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/categories?post=1151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/tags?post=1151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}