{"id":103,"date":"2020-10-11T17:08:18","date_gmt":"2020-10-11T17:08:18","guid":{"rendered":"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/?post_type=part&#038;p=103"},"modified":"2020-12-11T04:30:50","modified_gmt":"2020-12-11T04:30:50","slug":"hydraulic-conductivity-values","status":"publish","type":"part","link":"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/part\/hydraulic-conductivity-values\/","title":{"raw":"5 Hydraulic Conductivity Values","rendered":"5 Hydraulic Conductivity Values"},"content":{"raw":"The value of hydraulic conductivity, <em>K<\/em>, is determined by measuring flow rates, lengths, water levels, and pressures (<a href=\"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/chapter\/darcys-law\/#Eq15\">Equation 15<\/a>). Resulting hydraulic conductivity values are also used in conjunction with equations to compute groundwater discharge (<a href=\"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/chapter\/darcys-law\/#Eq15\">Equation 15<\/a>), flux (<a href=\"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/chapter\/darcys-law\/#Eq17\">Equation 17<\/a>), and velocity (<a href=\"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/chapter\/darcys-law\/#Eq18\">Equation 18<\/a>) as illustrated in Section 4. Hydraulic conductivity values are also required to predict the three-dimensional head distribution in a groundwater basin, infer groundwater flow directions and anticipate groundwater impacts from municipal well fields. This section:\r\n<ul>\r\n \t<li>describes some basic methods used to estimate hydraulic conductivities in the laboratory;<\/li>\r\n \t<li>provides an illustration showing the range of hydraulic conductivities for of various earth materials;<\/li>\r\n \t<li>presents concepts used to describe the two- and three-dimensional spatial variability of hydraulic conductivity, including the spatial concepts of isotropic, anisotropic, homogeneous and heterogeneous hydraulic conductivity distributions;<\/li>\r\n \t<li>discusses methods used to assign hydraulic conductivities to field settings; and,<\/li>\r\n \t<li>explains methods to determine equivalent hydraulic conductivities for fractured systems and individual fractures.<\/li>\r\n<\/ul>","rendered":"<p>The value of hydraulic conductivity, <em>K<\/em>, is determined by measuring flow rates, lengths, water levels, and pressures (<a href=\"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/chapter\/darcys-law\/#Eq15\">Equation 15<\/a>). Resulting hydraulic conductivity values are also used in conjunction with equations to compute groundwater discharge (<a href=\"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/chapter\/darcys-law\/#Eq15\">Equation 15<\/a>), flux (<a href=\"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/chapter\/darcys-law\/#Eq17\">Equation 17<\/a>), and velocity (<a href=\"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/chapter\/darcys-law\/#Eq18\">Equation 18<\/a>) as illustrated in Section 4. Hydraulic conductivity values are also required to predict the three-dimensional head distribution in a groundwater basin, infer groundwater flow directions and anticipate groundwater impacts from municipal well fields. This section:<\/p>\n<ul>\n<li>describes some basic methods used to estimate hydraulic conductivities in the laboratory;<\/li>\n<li>provides an illustration showing the range of hydraulic conductivities for of various earth materials;<\/li>\n<li>presents concepts used to describe the two- and three-dimensional spatial variability of hydraulic conductivity, including the spatial concepts of isotropic, anisotropic, homogeneous and heterogeneous hydraulic conductivity distributions;<\/li>\n<li>discusses methods used to assign hydraulic conductivities to field settings; and,<\/li>\n<li>explains methods to determine equivalent hydraulic conductivities for fractured systems and individual fractures.<\/li>\n<\/ul>\n","protected":false},"parent":0,"menu_order":5,"template":"","meta":{"pb_part_invisible":false,"pb_part_invisible_string":""},"contributor":[],"license":[],"class_list":["post-103","part","type-part","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/wp-json\/pressbooks\/v2\/parts\/103","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/wp-json\/pressbooks\/v2\/parts"}],"about":[{"href":"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/wp-json\/wp\/v2\/types\/part"}],"version-history":[{"count":4,"href":"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/wp-json\/pressbooks\/v2\/parts\/103\/revisions"}],"predecessor-version":[{"id":372,"href":"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/wp-json\/pressbooks\/v2\/parts\/103\/revisions\/372"}],"wp:attachment":[{"href":"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/wp-json\/wp\/v2\/media?parent=103"}],"wp:term":[{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/wp-json\/wp\/v2\/contributor?post=103"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/books.gw-project.org\/hydrogeologic-properties-of-earth-materials-and-principles-of-groundwater-flow\/wp-json\/wp\/v2\/license?post=103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}