A geostatistically based approach to the identification of aquifer transmissivities in Yolo Basin, California |
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| Authors: | Mohamed Aboufirassi and Miguel A Mariño |
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| Institution: | (1) Direction de l'Hydraulique, Casier Rabat Chellah, Rabat, Morocco;(2) Department of Land, Air and Water Resources and Department of Civil Engineering, University of California, 95616 Davis, California, USA |
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| Abstract: | A geostatistically based approach is developed for the identification of aquifer transmissivities in Yolo Basin, California. The approach combines weighted least-squares with universal kriging and cokriging techniques in an overall scheme that (1)considers a prioriknown information on aquifer transmissivity and specific capacities of wells, (2)considers uncertainties in water level and transmissivity data, and (3)estimates the reliability of the generated transmissivity values. Minimization of a global least-squares function that incorporates calibration and plausibility criteria leads to a transmissivity map that shows a good agreement with pumping-test results. |
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| Keywords: | kriging cokriging hydrology groundwater |
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