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The interpolation formulae for vapor pressures, specific volumes, enthalpies and heats of vaporization of ordinary seawater have been determined in the temperature range 0° to 200°C for salinities of 0 to 120 pot, based on the published data....
1971-07-01
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 distance L from the...
1971-11-01
This study determined the 24, 48, 96-hour median tolerance limit of phenol, DDT, dieldrin, and lindane of five species of fish commonly found in streams and estuaries in semi-tropical areas. They are: (i) Gambusia affinis - mosquito fish, (ii)...
1970-08-01
This study has concentrated on the development of an operational model for determining the productivity of irrigation water in sugarcane production in Hawaii. Data were collected from sugar plantations located in two sugar-producing areas chosen...
1972-06-01
Hawaii's system of water rights consist of a "bundle of rights" which are variously attached to fresh surface waters and to artesian ground waters. Surface water rights are for the most part "unique" to Hawaii and are based on ancient customs and...
1972-08-01
The structure, functioning and performance of water institutions in Hawaii is studied within a 'hierarchy of decision-levels" framework developed by S.v. Ciriacy-Wantrup. The study framework provides new opportunities for gaining insights into the...
1972-08-01
A water quality survey of the Kapalama Canal was undertaken in 1970 - 1971 to obtain baseline data for evaluation of the pollution potential of that surface drainage channel. The survey included the stretch of canal between the residential area...
1972-09-01
Annual, monthly, and hourly rainfall data for Hilo, Hawaii are plotted and analyzed as a preliminary phase of the study of space-time variations in high intensity rainfall in this locality. A brief summary of the Hilo climate is provided. Annual...
1972-12-01
An investigation of recycling sewage effluent by irrigation under Hawaiian conditions is being conducted in pilot field studies near Mililani Town in central Oahu under the sponsorship of the Board of Water Supply and the Division of Sewers, City...
1972-11-01
A three-year study was conducted to determine the quality of domestic wastewater treatment plant effluents and urban surface runoff, including street litter, on Oahu and to examine the reclamation potential of these water resources. The study was...
1972-11-01
Studies conducted during Phase I of the "Flood Hydrology and Urban Water Resources of the Island of Oahu, Hawaii" project were divided into four major tasks. The first is an examination of the causes of flooding and flood damages on Oahu. This...
1973-03-01
A laboratory study was undertaken to determine the ability of four Oahu soils, Lolekaa, Lahaina, Manana, and Wahiawa, to remove ammonia, ABS, and coliforms from water percolating continuously through saturated soils. The soils utilized were chosen...
1967-01-01
This study investigated the ability of two Oahu soils, Wahiawa and Lahaina, to prevent chlorinated hydrocarbon pesticides; DDT and Lindane, in acetone solutions from percolating through the soils. The study was prompted by the possibility of...
1967-08-01
In 1965 the Water Resources Research Center of the University of Hawaii began development of the necessary equipment to explore the feasibility of an extensive resistivity exploration program. Subsequent funding permitted the organization of this...
1967-08-01
Several geophysical surveys have been conducted over the coastline area between Kawaihae and Kailua-Kona for the purpose of locating the optimum sites for possible development of ground water from the basal lens. A low-level aeromagnetic survey...
1969-09-01
A joint research effort was undertaken by the Water Resources Research Center and the Honolulu Board of Water Supply to investigate the physical and chemical characteristics of irrigation return water in Pearl Harbor-Waipahu, Oahu, which is an...
1969-10-01
In July of 1969 the Water Resources Research Center began an investigation of artificial recharge practices in Hawaii. The objectives of this study were: (i) to compile all sites in the State where artificial recharge has been practiced, (ii) to...
1970-10-01
A 200 square kilometer representative area of the coastal plain of southwestern Taiwan was selected for a cooperative pilot ground-water study to identify and provide methods and knowledge that are essential and appropriate for the evaluation of...
1971-05-01
Characteristics and treatment efficiency of the sludge digestion facilities at four sewage treatment plants of the City and County of Honolulu, one each at Kaneohe, Kailua (both secondary treatment-trickling filter plants), and Pearl City (primary...
1971-09-01
A field investigation was undertaken to establish the present tritium and radiocarbon activity levels of natural waters found in various parts of the island of Oahu. The instrumentation required for the radiocarbon analysis was assembled and...
1971-11-01
The nature and results of the first year of experimental and evaluative work of the Coastal Water Quality project of the University of Hawaii's Sea Grant Program are summarized in this report. The project is a multi-directional, multi-disciplinary...
1972-09-01
Water samples collected from various surface and sub-surface sources on the island of Oahu were analyzed for tritium levels. Tritium activity levels in twenty-five monthly rainwater samples show a seasonal dependence with a maximum in the summer...
1973-05-01
A system of two isotropic and homogeneous infinite aquifers, which are separated by an aquitard and subject to tidal fluctuations along their coastal boundary, has been analyzed and a mathematical model has been developed for the response of this...
1973-07-01
Two instruments have been used to measure the rate of rainfall from tropical clouds over the windward coast of the Island of Hawaii. The Workman intensity gauge employs strain gauges to sense the deflection in a movable trough and hence the flow...
1973-07-01
For a proposed reforestation of the canyon country of east Lanai, seedlings will be required. The seedlings could be grown in east Lanai, preventing the stress of transplantation from a different environment, if an adequate source of high-quality...
1973-07-01
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