{"id":1363,"date":"2026-05-12T21:47:40","date_gmt":"2026-05-12T21:47:40","guid":{"rendered":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/chapter\/exercise-15\/"},"modified":"2026-05-13T16:51:22","modified_gmt":"2026-05-13T16:51:22","slug":"exercise-15","status":"publish","type":"chapter","link":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/chapter\/exercise-15\/","title":{"raw":"Exercise 15","rendered":"Exercise 15"},"content":{"raw":"<div id=\"exercise-15\" class=\"level1\">\r\n<div data-custom-style=\"First Paragraph\">\r\n\r\nA newly constructed well has a static water level of 645\u00a0m\u00a0ASL (above sea level). The well is pumped for 24\u00a0hours at a rate of 500\u00a0m<sup>3<\/sup>\/d. At the end of the pumping period, the water level in the well is 619\u00a0m\u00a0ASL.\r\n\r\n<\/div>\r\n<ol type=\"a\">\r\n \t<li>What is the drawdown in the well after 24\u00a0hours? Show your calculations.<\/li>\r\n \t<li>What is the specific capacity of the well? Show your calculations.<\/li>\r\n<\/ol>\r\n<div data-custom-style=\"First Paragraph\">\r\n\r\n<a href=\"\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/chapter\/solution-exercise-15\/\"><span data-custom-style=\"Hyperlink\"><strong><u>Solution for Exercise 15<\/u><\/strong><\/span><\/a>\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\/well-loss-and-well-efficiency\/#extext15\"><span data-custom-style=\"Hyperlink\"><strong>Return to where text linked to Exercise 15<\/strong><\/span><\/a>\u2ba5\r\n\r\n<\/div>\r\n<\/div>","rendered":"<div id=\"exercise-15\" class=\"level1\">\n<div data-custom-style=\"First Paragraph\">\n<p>A newly constructed well has a static water level of 645\u00a0m\u00a0ASL (above sea level). The well is pumped for 24\u00a0hours at a rate of 500\u00a0m<sup>3<\/sup>\/d. At the end of the pumping period, the water level in the well is 619\u00a0m\u00a0ASL.<\/p>\n<\/div>\n<ol type=\"a\">\n<li>What is the drawdown in the well after 24\u00a0hours? Show your calculations.<\/li>\n<li>What is the specific capacity of the well? Show your calculations.<\/li>\n<\/ol>\n<div data-custom-style=\"First Paragraph\">\n<p><a href=\"\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/chapter\/solution-exercise-15\/\"><span data-custom-style=\"Hyperlink\"><strong><u>Solution for Exercise 15<\/u><\/strong><\/span><\/a>\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\/well-loss-and-well-efficiency\/#extext15\"><span data-custom-style=\"Hyperlink\"><strong>Return to where text linked to Exercise 15<\/strong><\/span><\/a>\u2ba5<\/p>\n<\/div>\n<\/div>\n","protected":false},"author":8,"menu_order":98,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-1363","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\/1363","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\/1363\/revisions"}],"predecessor-version":[{"id":1870,"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/pressbooks\/v2\/chapters\/1363\/revisions\/1870"}],"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\/1363\/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=1363"}],"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=1363"},{"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=1363"},{"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=1363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}