{"id":1357,"date":"2026-05-12T21:47:39","date_gmt":"2026-05-12T21:47:39","guid":{"rendered":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/chapter\/exercise-11\/"},"modified":"2026-05-13T16:48:36","modified_gmt":"2026-05-13T16:48:36","slug":"exercise-11","status":"publish","type":"chapter","link":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/chapter\/exercise-11\/","title":{"raw":"Exercise 11","rendered":"Exercise 11"},"content":{"raw":"<div id=\"exercise-11\" class=\"level1\">\r\n<div data-custom-style=\"First Paragraph\">\r\n\r\nThis image shows time\u2011drawdown data from a multi\u2011well aquifer test that involved one pumping well and one observation well. The data are from the observation well located 20\u00a0meters from the pumping well. The pumping well was pumped at 100\u00a0m<sup>3<\/sup>\/d for 72\u00a0hours.\r\n\r\n<\/div>\r\n<div data-custom-style=\"Body Text\">\r\n\r\nAssume the aquifer is a fully confined sandstone with a constant saturated thickness of 20 m.\r\n\r\n<\/div>\r\n<ol type=\"a\">\r\n \t<li>Manually fit the data to the Theis type curve provided below it.<\/li>\r\n \t<li>Then, for [latex]t[\/latex]\u00a0=\u00a01 and[latex]\\ s[\/latex]\u00a0=\u00a01, select match points for 1\/[latex]u[\/latex] and [latex]W(u)[\/latex] and calculate [latex]T,\\ S[\/latex], and [latex]K[\/latex] for the test.<\/li>\r\n \t<li>Provide the values of t, s, 1\/u, W(u) for the selected match point and show the calculations to determine T, S, and K.<\/li>\r\n<\/ol>\r\n<div data-custom-style=\"Block Text\">\r\n<blockquote><img style=\"display: block; margin-left: auto; margin-right: auto; ;width: 4.32639in; height: 2.83141in;\" src=\"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-content\/uploads\/sites\/42\/2026\/05\/file146-2.png\" alt=\"A graph with blue dots Description automatically generated\" \/><\/blockquote>\r\n<\/div>\r\n<div data-custom-style=\"First Paragraph\">\r\n\r\n<img style=\"display: block; margin-left: auto; margin-right: auto; ;width: 4.18in; height: 2.5in;\" src=\"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-content\/uploads\/sites\/42\/2026\/05\/file147-2.png\" alt=\"A graph with a curve Description automatically generated\" \/>\r\n\r\n<\/div>\r\n<div data-custom-style=\"Body Text\">\r\n\r\n<strong><u><a href=\"\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/chapter\/solution-exercise-11\/\"><span data-custom-style=\"Hyperlink\">Solution for Exercise\u00a01<\/span><\/a>1<\/u><\/strong>\u2ba7\r\n\r\n<\/div>\r\n<div data-custom-style=\"Body Text\">\r\n\r\n<a href=\"\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/chapter\/aquifer-test-analysis\/#extext11\"><span data-custom-style=\"Hyperlink\"><strong>Return to where text linked to Exercise\u00a011<\/strong><\/span><\/a>\u2ba5\r\n\r\n<\/div>\r\n<\/div>","rendered":"<div id=\"exercise-11\" class=\"level1\">\n<div data-custom-style=\"First Paragraph\">\n<p>This image shows time\u2011drawdown data from a multi\u2011well aquifer test that involved one pumping well and one observation well. The data are from the observation well located 20\u00a0meters from the pumping well. The pumping well was pumped at 100\u00a0m<sup>3<\/sup>\/d for 72\u00a0hours.<\/p>\n<\/div>\n<div data-custom-style=\"Body Text\">\n<p>Assume the aquifer is a fully confined sandstone with a constant saturated thickness of 20 m.<\/p>\n<\/div>\n<ol type=\"a\">\n<li>Manually fit the data to the Theis type curve provided below it.<\/li>\n<li>Then, for [latex]t[\/latex]\u00a0=\u00a01 and[latex]\\ s[\/latex]\u00a0=\u00a01, select match points for 1\/[latex]u[\/latex] and [latex]W(u)[\/latex] and calculate [latex]T,\\ S[\/latex], and [latex]K[\/latex] for the test.<\/li>\n<li>Provide the values of t, s, 1\/u, W(u) for the selected match point and show the calculations to determine T, S, and K.<\/li>\n<\/ol>\n<div data-custom-style=\"Block Text\">\n<blockquote><p><img decoding=\"async\" style=\"display: block; margin-left: auto; margin-right: auto; ;width: 4.32639in; height: 2.83141in;\" src=\"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-content\/uploads\/sites\/42\/2026\/05\/file146-2.png\" alt=\"A graph with blue dots Description automatically generated\" \/><\/p><\/blockquote>\n<\/div>\n<div data-custom-style=\"First Paragraph\">\n<p><img decoding=\"async\" style=\"display: block; margin-left: auto; margin-right: auto; ;width: 4.18in; height: 2.5in;\" src=\"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-content\/uploads\/sites\/42\/2026\/05\/file147-2.png\" alt=\"A graph with a curve Description automatically generated\" \/><\/p>\n<\/div>\n<div data-custom-style=\"Body Text\">\n<p><strong><u><a href=\"\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/chapter\/solution-exercise-11\/\"><span data-custom-style=\"Hyperlink\">Solution for Exercise\u00a01<\/span><\/a>1<\/u><\/strong>\u2ba7<\/p>\n<\/div>\n<div data-custom-style=\"Body Text\">\n<p><a href=\"\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/chapter\/aquifer-test-analysis\/#extext11\"><span data-custom-style=\"Hyperlink\"><strong>Return to where text linked to Exercise\u00a011<\/strong><\/span><\/a>\u2ba5<\/p>\n<\/div>\n<\/div>\n","protected":false},"author":8,"menu_order":94,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-1357","chapter","type-chapter","status-publish","hentry"],"part":1522,"_links":{"self":[{"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/pressbooks\/v2\/chapters\/1357","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/wp\/v2\/users\/8"}],"version-history":[{"count":3,"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/pressbooks\/v2\/chapters\/1357\/revisions"}],"predecessor-version":[{"id":1868,"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/pressbooks\/v2\/chapters\/1357\/revisions\/1868"}],"part":[{"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/pressbooks\/v2\/parts\/1522"}],"metadata":[{"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/pressbooks\/v2\/chapters\/1357\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/wp\/v2\/media?parent=1357"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/pressbooks\/v2\/chapter-type?post=1357"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/wp\/v2\/contributor?post=1357"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/wp\/v2\/license?post=1357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}