{"id":1118,"date":"2026-05-12T21:46:14","date_gmt":"2026-05-12T21:46:14","guid":{"rendered":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/chapter\/introduction-2\/"},"modified":"2026-05-13T03:08:10","modified_gmt":"2026-05-13T03:08:10","slug":"introduction-2","status":"publish","type":"chapter","link":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/chapter\/introduction-2\/","title":{"raw":"3.1 Introduction","rendered":"3.1 Introduction"},"content":{"raw":"<div id=\"introduction-1\" class=\"level1\">\r\n<div data-custom-style=\"First Paragraph\">\r\n\r\nUp to this point, our discussion of hydrogeology has included the nature of water and the distribution of fluid energy (i.e., hydraulic head) in a flow system. Now we turn our attention to the material through which the water flows. This section deals with the various aspects and properties of porous media, including:\r\n\r\n<\/div>\r\n<ul>\r\n \t<li>porosity;<\/li>\r\n \t<li>permeability and hydraulic conductivity of porous media;<\/li>\r\n \t<li>variability of these parameters with respect to location and direction; and<\/li>\r\n \t<li>measurement of these parameters.<\/li>\r\n<\/ul>\r\n<\/div>","rendered":"<div id=\"introduction-1\" class=\"level1\">\n<div data-custom-style=\"First Paragraph\">\n<p>Up to this point, our discussion of hydrogeology has included the nature of water and the distribution of fluid energy (i.e., hydraulic head) in a flow system. Now we turn our attention to the material through which the water flows. This section deals with the various aspects and properties of porous media, including:<\/p>\n<\/div>\n<ul>\n<li>porosity;<\/li>\n<li>permeability and hydraulic conductivity of porous media;<\/li>\n<li>variability of these parameters with respect to location and direction; and<\/li>\n<li>measurement of these parameters.<\/li>\n<\/ul>\n<\/div>\n","protected":false},"author":8,"menu_order":7,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-1118","chapter","type-chapter","status-publish","hentry"],"part":1473,"_links":{"self":[{"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/pressbooks\/v2\/chapters\/1118","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":2,"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/pressbooks\/v2\/chapters\/1118\/revisions"}],"predecessor-version":[{"id":1712,"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/pressbooks\/v2\/chapters\/1118\/revisions\/1712"}],"part":[{"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/pressbooks\/v2\/parts\/1473"}],"metadata":[{"href":"https:\/\/books.gw-project.org\/basic-hydrogeology-an-introduction-to-the-fundamentals-of-groundwater-science\/wp-json\/pressbooks\/v2\/chapters\/1118\/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=1118"}],"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=1118"},{"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=1118"},{"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=1118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}