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Water Balance of the Pearl Harbor-Honolulu Basin, 1946–1975

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Item Summary

Title:Water Balance of the Pearl Harbor-Honolulu Basin, 1946–1975
Authors:Giambelluca, Thomas Warren
Contributors:Chang, Jen-hu (advisor)
Geography and Environment (department)
Keywords:water balance
water supply
show 1 moregroundwater
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Date Issued:May 1983
Publisher:[Honolulu] : [University of Hawaii at Manoa], [May 1983]
Abstract:The basal aquifer underlying the Pearl Harbor-Honolulu Basin comprises the principal source of water supply for municipal demands of greater Honolulu and the demands of irrigated agriculture. Declining fresh water head and increasing chlorinity of coastal well water have led to recent groundwater development controls in the area. Determination of the sustainable (safe) yield of the basin requires a spatially and temporally detailed estimate of the recharge. The water balance of the basin was computed for 258 discrete zones at a monthly interval over the period 1946 to 1975 (360 months). Results of the analysis include estimates of monthly precipitation, fog drip, sugarcane irrigation, urban lawn sprinkling, runoff, evapotranspiration, and groundwater recharge for each zone. The average recharge rate of the critical Pearl Harbor region was found to be 268 mgd, of which 68 mgd is derived from the return of applied irrigation water. Results indicate that the groundwater resources of the basin are sufficient to support a population increase of approximately 450,000, should sugarcane and pineapple cultivation be discontinued.
Description:PhD University of Hawaii at Manoa 1983
Includes bibliographical references (leaves 289–308).
Pages/Duration:xvi, 308 leaves, bound : illustrations, maps ; 29 cm
Rights:All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.
Appears in Collections: Ph.D. - Geography

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