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Browsing Water Resources Research Center by Author "Williams, John A"

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WRRCTR No.108 Well Injection into a Two-Phase Flow Field: A Hele-Shaw Model Investigation

Williams, John A (Water Resources Research Center, University of Hawaii at Manoa, 1977-05)

A Hele-Shaw model was employed in conducting preliminary studies of waste water injection into a fresh-saline water system. Three different field conditions were simulated: injection under static conditions, injection into ...
WRRCTR No.39 Model Studies of Tidal Effects on Ground Water Hydraulics

Williams, John A; Wada, Ronald N; Wang, Ru-Yih (Water Resources Research Center, University of Hawaii at Manoa, 1970-05)

This report presents the results of a model study on the propagation of periodic fluctuations in the piezometric head through a saturated porous media. Three different models were employed: a hydraulic model, a mathematical ...
WRRCTR No.51 The Response to Tidal Fluctuations of Two Non-Homogenous Coastal Aquifer Models

Williams, John A; Liu, Ta-Chiang (Water Resources Research Center, University of Hawaii at Manoa, 1971-11)

Mathematical and electric analog (R-C circuit) models for two one-dimensional non-homogeneous coastal aquifers have been developed. The first is a semi-infinite aquifer having a discontinuous change in permeability at a ...
WRRCTR No. 70 Evaluation of Methods of Pumping Test Analyses for Application to Hawaiian Aquifers

Williams, John A; Soroos, Ronald L (Water Resources Research Center, University of Hawaii at Manoa, 1973-07)

Pumping test data from eight locations including the islands of Oahu, Maui, and Molokai were selected and analyzed. The test data were selected on the basis of completeness, reliability, and aquifer type and boundary ...
WRRCTR No.86 Response to Tides of Coastal Aquifers: Analog Simulation vs. Field Observation

Williams, John A; Liu, Ta-Chiang (Water Resources Research Center, University of Hawaii at Manoa, 1975-06)

This report presents a summary of the work to date on the response to tides of coastal aquifers. In particular, it presents the results of experiments performed to study the influence of an oscillating water table on ...