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The objective of the project was the investigation of the percolate rate and the disposition of nitrogen from a laboratory soil column when chlorinated secondary sewage effluent was applied under both continuous and intermittent loading. A 1.7-m...
1976-08-01
A marine survey was conducted in the vicinity of the present and proposed Wai'anae sewage ocean outfall site on the southwest coast of 0'ahu, Hawai'i. The survey at depths of 6 to 30 m (20-100 ft) characterized quantitatively the coral reef...
1977-05-01
The Hawaii Environmental Simulation Laboratory (HESL), since its establishment in the spring of 1971, has attempted to simulate some of the consequences of alternative land-use economic decisions which include, as one of its major parameters, the...
1977-02-01
Injection of wastes into a Ghyben-Herzberg groundwater system presents unique problems because the waste effluents are normally injected into the salt or brackish water underlying the fresh Ghyben-Herzberg lens. Because the waste water commonly...
1977-03-01
In spite of its almost universal application in oil exploration and growing application on the mainland in ground-water exploration (Pirson, 1963; Guyod, 1957), electric well logging has not to date been used in Hawaii. Because of the...
1965-11-01
Hawaiian geohydrology is best understood if continental concepts are forgotten and the Islands are considered as essentially porous and permeable lava sponges set in the ocean and saturated with sea water at their bases. Plentiful rain falls with...
1966-03-01
The conceptual feasibility of storing fresh water in the ocean was investigated using a plastic membrane as the reservoir liner. In the initial phase, two physical hydraulic models were constructed to test the concept. The first was a...
1983-05-01
Approximately 1 841 m3 (65,000 ft^3) of chromium-contaminated soil, classified as hazardous waste (>5 mg/l chromium extract concentration as measured by the EP toxicity test) was found near the new pipe shop at the Pearl Harbor Naval Shipyard on...
1984-03-01
Rainfall sampling, which began in 1981 before the 1982 to 1983 El Niño and continued into 1984 on Oahu in Hawaii, represented sites with widely different rainfall amounts. Samples stored under refrigeration prior to analysis were analyzed for pH...
1984-05-01
Human rotavirus is the major cause of gastroenteritis among young children. To replicate this virus, sensitive methods using standard tissue culture systems are required. The project goal was to develop laboratory capability to recover and detect...
1984-06-01
The quality and quantity of rural runoff was the subject of a field study conducted on the island of Oahu. The study investigated surface water runoff from three rural land uses: an undeveloped forested area, a sugarcane field, and a pineapple...
1975-06-01
This study of the mountain cloud and fog regimes on the windward and leeward slopes of Mauna Loa, Hawai'i Island (1) develops a standardized louvered-screen, fog-catchment gage; (2) develops an indirect approximation method for estimating average...
1978-06-01
Numerous stream mouths on O'ahu are affected by sand berm blockages which prevent free flow of storm waters to the ocean and cause the stream water level to rise rapidly; often overflowing of the stream banks and flooding of adjacent land areas...
1978-06-01
I. Three significant Hawaiian rainstorms were analyzed using conventional meteorological data and photographs from Synchronous Meteorological Satellite (SMS-2). The impact of the satellite on analysis and forecasting was evaluated. Gridding...
1978-09-01
One of the most critical questions regarding the future of water regulation in Hawai'i is the validity of the Hawaii Supreme Court's decision in the landmark case of McBryde Sugar Co. v. Robinson. In that case, the state supreme court overturned...
1978-06-01
The basic objectives of this study were to determine the average annual recharge to the groundwater body and the fresh groundwater discharge at the coastline, as well as the aquifer characteristics for an arid area located on the northwest coast...
1977-07-01
The benthic communities in Mamala Bay, Oahu have been monitored since 1974 to assess the extent to which the introduction of sewage effluent at about a 70-m depth has affected the system. The index organisms utilized are micromollusks, mollusks...
1983-12-01
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 an ambient flow field...
1977-05-01
The daily water budget of drip-irrigated sugarcane at Kunia, Oahu, was measured in large hydraulic load cell lysimeters. The 10-mo plant crop period was extrapolated to 109 am (43 in.}/12-mo water use. Extrapolation from the full-canopied period...
1977-06-01
A water quality monitoring survey during the wet-weather seasonal period (January to June 1976) was conducted in the Kaneohe Bay area as part of the U.S. Army, Corps of Engineers Kaneohe Bay Urban Water Resources Study. The survey encompassed...
1976-08-01
Uncertainties as to the position and behavior of the salt-fresh transition zone at the base of the important, thick Herzberg lenses of Oahu render suspect all determinations of the safe yield of these lenses involving estimates of storage change....
1967-02-01
It has been proposed that underground discharge of effluent from a sewage treatment plant planned at Waimanalo be substituted for discharge through a long and expensive ocean outfall. The Water Resources Research Center arranged a conference on...
1966-02-01
Increased water consumption on O'ahu has encouraged the use of treated sewage effluent for irrigation. This study seeks to identify organic compounds in treated effluent and to determine if such compounds are adosrbed by soil so that the...
1977-12-01
The research of the Water Resources Research Center covers all aspects of water resources investigations, in the course of which considerable new significant data are generated and older data reevaluated. These data are included in the basic...
1977-09-01
Maps of diurnal rainfall patterns based on hourly rainfall records are presented for the six major Hawaiian islands. The resulting rainfall distributions demonstrate the complexity of the interaction between trade winds and large islands....
1977-07-01
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