Analysis of Hydraulic Impacts at the Tucson Reclaimed Water Recharge Projectby Peter A. Mock, CH2M Hill Inc, United States,
Abstract: The Tucson Reclaimed Water Recharge site has been implemented with increasingly sophisticated calculation methods as data collection efforts advanced. Initial project scoping utilized driller's logs and analytical, two-dimensional mounding calculations prior to extensive on-site drilling and testing. The results of a long-term aquifer test at the site indicated that the ratio of horizontal to vertical hydraulic conductivity was on the order of 50:1. Such anisotropy was again indicated during fresh water testing with shallow spreading basins. Ground water level rises were greater than predicted with the two-dimensional analytical solution. A three-dimensional finite difference ground water flow model was calibrated to water-level data from the aquifer test and fresh-water basin tests.
Subject Headings: Water reclamation | Hydraulics | Groundwater flow | Hydrologic models | Model tests | Three-dimensional flow | Hydraulic models | Aquifers | Pumping tests | Arizona | North America | United States | Tucson
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