Artificial Recharge Research at the University of Arizona

by L. G. Wilson, Univ of Arizona, United States,



Document Type: Proceeding Paper

Part of: Artificial Recharge of Ground Water

Abstract:

This paper summarizes pit- and well-recharge trials at Tucson, Arizona. The pit recharge trials examined management techniques and characterized flow patterns in the 80 ft thick vadose zone. Wet-dry cycling was the most effective management technique. Long-term (100 day) infiltration rates averaged about 3.5 ft/day. Neutron moisture logs manifested a perched flow system and a water table mound. Well-recharge trials demonstrated that systems of recharge and extraction wells may be effective in blending imported Central Arizona Project water with native ground water.



Subject Headings: Recharge wells | Colleges and universities | Vadose zone | Infiltration | Water reclamation | Groundwater recharge | Arizona | United States

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