{"id":90,"date":"2022-12-12T05:35:59","date_gmt":"2022-12-12T05:35:59","guid":{"rendered":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/chapter\/solution-exercise-3\/"},"modified":"2022-12-19T16:38:45","modified_gmt":"2022-12-19T16:38:45","slug":"solution-exercise-3","status":"publish","type":"chapter","link":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/chapter\/solution-exercise-3\/","title":{"raw":"Solution Exercise\u00a03","rendered":"Solution Exercise\u00a03"},"content":{"raw":"<div class=\"solution-exercise\u00a03\">\r\n<p class=\"import-Normal\">Based on that study, Leenheer and others (1974) made four principal observations:<\/p>\r\n\r\n<ol>\r\n \t<li class=\"import-Normal\">DOC concentrations in groundwater were generally much lower than commonly found in surface waters, with median concentrations ranging between 0.5 and 0.7\u00a0mg\/L (41.7 to 58.3\u00a0<em>\u00b5<\/em>mol\/L);<\/li>\r\n \t<li class=\"import-Normal\">a shallow aquifer in Florida receiving active recharge from surface-water sources had much higher DOC concentrations (15 mg\/L; 1,250\u00a0<em>\u00b5<\/em>mol\/L) than wells tapping the deeper Floridan aquifer (1.4 to 0.1\u00a0mg\/L; 117 to 8.3\u00a0<em>\u00b5<\/em>mol\/L) that was not immediately influenced by surface water;<\/li>\r\n \t<li class=\"import-Normal\">there were no statistically significant differences in DOC concentrations between aquifers of differing lithologies; and,<\/li>\r\n \t<li class=\"import-Normal\">there were clear statistical correlations between DOC concentrations, specific conductance, and alkalinity.<\/li>\r\n<\/ol>\r\n<p class=\"import-Normal\" style=\"text-align: right;\"><a href=\"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/chapter\/exercise-3\/\">Return to Exercise\u00a03<\/a><\/p>\r\n<p class=\"import-Normal\"><\/p>\r\n\r\n<\/div>","rendered":"<div class=\"solution-exercise\u00a03\">\n<p class=\"import-Normal\">Based on that study, Leenheer and others (1974) made four principal observations:<\/p>\n<ol>\n<li class=\"import-Normal\">DOC concentrations in groundwater were generally much lower than commonly found in surface waters, with median concentrations ranging between 0.5 and 0.7\u00a0mg\/L (41.7 to 58.3\u00a0<em>\u00b5<\/em>mol\/L);<\/li>\n<li class=\"import-Normal\">a shallow aquifer in Florida receiving active recharge from surface-water sources had much higher DOC concentrations (15 mg\/L; 1,250\u00a0<em>\u00b5<\/em>mol\/L) than wells tapping the deeper Floridan aquifer (1.4 to 0.1\u00a0mg\/L; 117 to 8.3\u00a0<em>\u00b5<\/em>mol\/L) that was not immediately influenced by surface water;<\/li>\n<li class=\"import-Normal\">there were no statistically significant differences in DOC concentrations between aquifers of differing lithologies; and,<\/li>\n<li class=\"import-Normal\">there were clear statistical correlations between DOC concentrations, specific conductance, and alkalinity.<\/li>\n<\/ol>\n<p class=\"import-Normal\" style=\"text-align: right;\"><a href=\"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/chapter\/exercise-3\/\">Return to Exercise\u00a03<\/a><\/p>\n<p class=\"import-Normal\">\n<\/div>\n","protected":false},"author":1,"menu_order":28,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-90","chapter","type-chapter","status-publish","hentry"],"part":156,"_links":{"self":[{"href":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/wp-json\/pressbooks\/v2\/chapters\/90","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":3,"href":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/wp-json\/pressbooks\/v2\/chapters\/90\/revisions"}],"predecessor-version":[{"id":275,"href":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/wp-json\/pressbooks\/v2\/chapters\/90\/revisions\/275"}],"part":[{"href":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/wp-json\/pressbooks\/v2\/parts\/156"}],"metadata":[{"href":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/wp-json\/pressbooks\/v2\/chapters\/90\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/wp-json\/wp\/v2\/media?parent=90"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/wp-json\/pressbooks\/v2\/chapter-type?post=90"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/wp-json\/wp\/v2\/contributor?post=90"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/books.gw-project.org\/dissolved-organic-carbon-in-groundwater-systems\/wp-json\/wp\/v2\/license?post=90"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}