Browse by Archive
University of Idaho Digital Collections
|
Types of fish migration and typical fish blockage problems associated with culverts are reviewed. Swimming capability of fish as a function of specie, fish length and water temperature are discussed. The hydrologic characteristics of streams and...
1974-05-01
|
|
A team of investigators from the disciplines of engineering, entomology and fisheries cooperated in a study to assess the temporal and spatial impact of decomposed granite bedload sediment on insect and fish populations, and on the capability of...
1974-10-01
|
|
Irrigation water use data on six irrigation districts in the Upper Snake River Basin of Idaho were obtained for the 1974 season. Data on river diversions, return flow, crop consumptive use, and seepage losses were obtained and a water budget...
1975-12-01
|
|
Present irrigation efficiencies and reasonably attainable irrigation efficiencies were evaluated in a study conducted on independent irrigation districts in the Upper Snake River Region of southern Idaho. Irrigation water use was investigated on...
1975-05-01
|
|
We assessed the transport of granitic bedload sediment (<6.35 mm diameter) in streams flowing through central Idaho mountain valleys and the effects of the sediment on juvenile salmonids and aquatic insects. We measured bedload sediment...
1977-09-01
|
|
Laboratory and field studies of physical, organic, and chemical factors affecting the variations in seepage rates due to natural processes in canals and reservoirs under prolonged submergence were performed.
1977-04-01
|
|
A water resource study of the Lower Henry's Fork area and the Upper Snake River Basin in Idaho was undertaken to evaluate the hydrological relationships between the perched and regional groundwater tables, river reach-gain and irrigation water...
1977-06-01
|
|
Competition among users of Idaho's available water supplies will inevitably increase. This increase may be brought about in two ways. Primarily, an increased number of users for existing supplies of water will result in an increase in competition....
1978-10-12
|
|
Walleye, however, are more voracious and efficient piscivorous feeders than squawfish and consequently, could intensify predation on emigrating juvenile salmonids which could contribute further to the decline of anadromous fishes in Idaho. For...
1979-04-01
|
|
This report is a general synthesis of the many issues regarding postproject environmental evaluation, using as a frame of reference the Boise Project of the Bureau of Reclamation. The report does not comprehensively summarize the existing...
1979-03-01
|
|
One of the factors responsible for agricultural high production in the United States is the comprehensive irrigation system that has been developed for which much of the funds have come from federal expenditure. This treatise attempts to analyze,...
1977-01-01
|
|
The Boise Project of Southwestern Idaho was built by the Bureau of Reclamation during the period from 1910 to 1956, at which time the irrigated acreage increased from 51,377 to 340,613 acres. This first report of the economic subproject brings...
1979-03-01
|
|
Briefly, the objectives of this study, specifically developed to help solve the above problem, were as follows: 1) Develop an aggregate regional economic model that would simulate the economies of the state and region; 2) Analyze the growth of the...
1979-03-01
|
|
This analysis will focus on the following points: (1) Development of a hydrologic model capable of projecting crop production for the ""without"" scenario. (2) Simulation of the regional economy ""without"" the Project. (3) Estimation of indirect...
1979-03-01
|
|
Specific Objectives: 1. To develop methodology for measuring the social impacts of federal investments in water resource development projects. Then, using this methodology --- 2. To analyze the social system existing in the Boise region ""with...
1979-03-01
|
|
The passage of the Wild and Scenic Rivers Act, PL 90-542, in 1968 created a national wild and scenic rivers systems which preserved selected freeflowing rivers in their relatively natural state. The Middle Fork of the Clearwater River from...
1980-08-01
|
|
Complex water resource systems occur within the southeastern Idaho phosphate field. Environmental factors such as the geologic, topographic, hydrogeologic, chemical, and climatic characteristics of the area largely control the occurrence, movement...
1980-03-01
|
|
The Lewiston Basin is a triangular-shaped bowl of approximately 400 mi. 2 (1000 km2) located in Northern Idaho and Eastern Washington. Within the basin, the two cities of Lewiston, Idaho, and Clarkston, Washington, have recently attained the...
1980-04-01
|
|
Phosphate ore is mined from open pits at the Gay Mine, located 30 miles northeast of Pocatello, Idaho. Mining activity interacts with groundwater flow systems that are controlled primarily by complex fault block structure. Flooding of the pits by...
1980-03-01
|
|
In some areas of the world the importance of small hydro may not be quantitatively or yet economically advantageous to warrant its serious consideration at this time. But in many areas, even though the overall percentage of that guaranteed by...
1980-04-01
|
|
In most areas of the United States the allocation of water is conducted according to legal rather than economic principles. Changes - economic, social, and technological - occur which require accommodation in the use and allocation of water to...
1980-08-01
|
|
The objective of this study is to utilize probability analysis and mathematical programming (operations research methods) in planning the design and operation of an irrigation network with a chain of internal water storage reservoirs (Farm Service...
1980-08-01
|
|
It is concluded from this study that the platy siltstone and black limestone members of the Thaynes Formation, the upper and lower members of the Dinwoody Formation and the Wells Formation all have sufficient hydraulic conductivity to allow these...
1980-03-01
|
|
This report presents the initial results of a regional study of geothermal flow systems in the thrust zone of Idaho and Wyoming. The study involved analysis of thermal and non-thermal ground water flow systems based upon hydrogeologic and...
1981-04-01
|
|
Temporary weather stations located in the western portion of the Bear River basin in southeastern Idaho were monitored during the 1982 growing season. Hourly measurements of solar radiation, wind travel, air temperature and dewpoint temperature...
1982-12-01
|
