Hydrogeologic Framework and Estimates of Groundwater Storage for Hualapai Valley

ISBN-13: 9781500210144 / Angielski / Miękka / 2014 / 54 str.

Margot Truini; L. Sue Beard; Jeffrey Kennedy

Opis

We have investigated the hydrogeology of the Huala- pai Valley, Detrital Valley, and Sacramento Valley basins of Mohave County in northwestern Arizona to develop a better understanding of groundwater storage within the basin fill aquifers. In our investigation we used geologic maps, well-log data, and geophysical surveys to delineate the sedimentary textures and lithology of the basin fill. We used gravity data to construct a basin geometry model that defines smaller subbasins within the larger basins, and airborne transient- electromagnetic modeled results along with well-log lithology data to infer the subsurface distribution of basin fill within the subbasins. Hydrogeologic units (HGUs) are delineated within the subbasins on the basis of the inferred lithology of saturated basin fill. We used the extent and size of HGUs to estimate groundwater storage to depths of 400 meters (m; 1,312 feet, ft) below land surface (bls).

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