{"id":344,"date":"2022-04-11T16:52:09","date_gmt":"2022-04-11T16:52:09","guid":{"rendered":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/chapter\/4-3-aquifer-hydraulics\/"},"modified":"2022-04-12T02:41:32","modified_gmt":"2022-04-12T02:41:32","slug":"4-3-aquifer-hydraulics","status":"publish","type":"chapter","link":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/chapter\/4-3-aquifer-hydraulics\/","title":{"raw":"4.3  Aquifer Hydraulics","rendered":"4.3  Aquifer Hydraulics"},"content":{"raw":"<div class=\"4.3-aquifer-hydraulics\">\r\n<p class=\"import-Normal\" style=\"text-indent: 0pt;\">The delta aquifer consists of deeply incised paleochannels filled with sediments, underneath the present river channel, with a total storage capacity at 150 Mm<sup>3<\/sup> (Figure 17). The Omdel wellfield of 33 boreholes was developed here in the 1970s to augment coastal supplies. The production wells tap the 70 to 110 m thick sandy-gravel alluvium (Christelis and Struckmeier, 2001; Geyh and Ploethner, 1995).<\/p>\r\n<p class=\"import-Normal\" style=\"text-indent: 0pt;\"><img class=\"alignnone\" src=\"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-content\/uploads\/sites\/19\/2022\/04\/image20.png\" alt=\"Map showing OMDEL aquifer with the main channel and side channels\" width=\"1219\" height=\"820\" \/><\/p>\r\n<p class=\"import-Normal figcaption-text\"><strong>Figure\u00a0<\/strong><strong>17<\/strong><strong>\u00a0<\/strong><strong>-<\/strong><strong>\u00a0<\/strong>OMDEL aquifer with the main channel and side channels (Geyh and Ploethner, 1995).<\/p>\r\n\r\n<\/div>","rendered":"<div class=\"4.3-aquifer-hydraulics\">\n<p class=\"import-Normal\" style=\"text-indent: 0pt;\">The delta aquifer consists of deeply incised paleochannels filled with sediments, underneath the present river channel, with a total storage capacity at 150 Mm<sup>3<\/sup> (Figure 17). The Omdel wellfield of 33 boreholes was developed here in the 1970s to augment coastal supplies. The production wells tap the 70 to 110 m thick sandy-gravel alluvium (Christelis and Struckmeier, 2001; Geyh and Ploethner, 1995).<\/p>\n<p class=\"import-Normal\" style=\"text-indent: 0pt;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-content\/uploads\/sites\/19\/2022\/04\/image20.png\" alt=\"Map showing OMDEL aquifer with the main channel and side channels\" width=\"1219\" height=\"820\" \/><\/p>\n<p class=\"import-Normal figcaption-text\"><strong>Figure\u00a0<\/strong><strong>17<\/strong><strong>\u00a0<\/strong><strong>&#8211;<\/strong><strong>\u00a0<\/strong>OMDEL aquifer with the main channel and side channels (Geyh and Ploethner, 1995).<\/p>\n<\/div>\n","protected":false},"author":1,"menu_order":17,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-344","chapter","type-chapter","status-publish","hentry"],"part":187,"_links":{"self":[{"href":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-json\/pressbooks\/v2\/chapters\/344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":3,"href":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-json\/pressbooks\/v2\/chapters\/344\/revisions"}],"predecessor-version":[{"id":526,"href":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-json\/pressbooks\/v2\/chapters\/344\/revisions\/526"}],"part":[{"href":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-json\/pressbooks\/v2\/parts\/187"}],"metadata":[{"href":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-json\/pressbooks\/v2\/chapters\/344\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-json\/wp\/v2\/media?parent=344"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-json\/pressbooks\/v2\/chapter-type?post=344"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-json\/wp\/v2\/contributor?post=344"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/books.gw-project.org\/managed-aquifer-recharge-southern-africa\/wp-json\/wp\/v2\/license?post=344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}