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Groundwater

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Articles 301 - 330 of 380

Full-Text Articles in Hydrology

Saturated Thickness Of The Principal Groundwater Reservoir In Nebraska, Conservation And Survey Division Jan 1988

Saturated Thickness Of The Principal Groundwater Reservoir In Nebraska, Conservation And Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Groundwater Levels In Nebraska, 1987, Michael J. Ellis, Perry B. Wigley Jan 1988

Groundwater Levels In Nebraska, 1987, Michael J. Ellis, Perry B. Wigley

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Preliminary Groundwater And Salinity Investigations In The Eastern Wheatbelt 2. Merredin Catchment, Richard J. George Dr, P W C Frantom Jan 1988

Preliminary Groundwater And Salinity Investigations In The Eastern Wheatbelt 2. Merredin Catchment, Richard J. George Dr, P W C Frantom

Resource management technical reports

Saline groundwater occurs within twelve metres of the surface throughout the valley of the Merredin catchment. Saline groundwater occurs within deep sediments deposited in the valley and deeply-weathered bedrock materials. Rapid groundwater recharge appears to be taking place in sandy-textured soils high in the landscape and directly into the Cainozoic sediments in the valley floor. Water-tables are rising at approximately ten centimetres each year in the upper catchment area.


Preliminary Groundwater And Salinity Investigations In The Eastern Wheatbelt. 3. Welbungin And Beacon River Catchments, Richard J. George Dr, P W C Frantom Sep 1987

Preliminary Groundwater And Salinity Investigations In The Eastern Wheatbelt. 3. Welbungin And Beacon River Catchments, Richard J. George Dr, P W C Frantom

Resource management technical reports

Water-tables show no obvious signs of a nett annual rise in the bores monitored in the valley floor, lower slope areas over the three year period. Groundwaters are extremely saline, the sedimentary and saprolite aquifers permeable (hydraulic conductivity range 0.1-2.0 m/day) (0.0001). Future management systems should seek to decrease recharge by changing rotations and farm practises while increasing discharge by using trees, pumps and halophytes. Options are available for drainage.


A Hydrogeologic Study Of The Local Groundwater Flow System At Osmond, Ne, Jonathan Alix Jan 1987

A Hydrogeologic Study Of The Local Groundwater Flow System At Osmond, Ne, Jonathan Alix

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Keep The Farmer Farming—How To Eat Your Water Cake And Have It Too, Raphael J. Moses Jun 1986

Keep The Farmer Farming—How To Eat Your Water Cake And Have It Too, Raphael J. Moses

Western Water: Expanding Uses/Finite Supplies (Summer Conference, June 2-4)

14 pages.

Contains references.


Policies To Enhance Western Water Use Efficiency: Best Of The West, Bruce C. Driver Jun 1986

Policies To Enhance Western Water Use Efficiency: Best Of The West, Bruce C. Driver

Western Water: Expanding Uses/Finite Supplies (Summer Conference, June 2-4)

18 pages.


Toward Optimal Utilization Of Water Resources: The “Physical Solution", Harrison C. Dunning Jun 1986

Toward Optimal Utilization Of Water Resources: The “Physical Solution", Harrison C. Dunning

Western Water: Expanding Uses/Finite Supplies (Summer Conference, June 2-4)

18 pages.


Facilitating Voluntary Water Transfers In California, James T. Markle Jun 1986

Facilitating Voluntary Water Transfers In California, James T. Markle

Western Water: Expanding Uses/Finite Supplies (Summer Conference, June 2-4)

28 pages.

Contains references.


Changing Patterns Of Water Use In The West: Pressures On The System, David H. Getches Jun 1986

Changing Patterns Of Water Use In The West: Pressures On The System, David H. Getches

Western Water: Expanding Uses/Finite Supplies (Summer Conference, June 2-4)

17 pages.


Potential Improvements In Irrigation Management Practices: Water Savings And Costs, James R. Gilley Jun 1986

Potential Improvements In Irrigation Management Practices: Water Savings And Costs, James R. Gilley

Western Water: Expanding Uses/Finite Supplies (Summer Conference, June 2-4)

26 pages.


Augmenting Municipal Water Supplies Through Agricultural Water Conservation, David Engels Jun 1986

Augmenting Municipal Water Supplies Through Agricultural Water Conservation, David Engels

Western Water: Expanding Uses/Finite Supplies (Summer Conference, June 2-4)

38 pages (includes maps).


Policy Issue Study On Integrated Management Of Surface Water And Groundwater Report, Dayle E. Williamson, Bob Kuzelka Feb 1986

Policy Issue Study On Integrated Management Of Surface Water And Groundwater Report, Dayle E. Williamson, Bob Kuzelka

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Jandakot Groundwater Scheme Area : A Study Of Land Resources And Planning Considerations, M R. Wells, N L B Richards, A J. Clarke Jan 1986

Jandakot Groundwater Scheme Area : A Study Of Land Resources And Planning Considerations, M R. Wells, N L B Richards, A J. Clarke

Resource management technical reports

No abstract provided.


Groundwater Levels In Nebraska, 1984, Michael J. Ellis, Darryll T. Pederson Jun 1985

Groundwater Levels In Nebraska, 1984, Michael J. Ellis, Darryll T. Pederson

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Underground Water Supplies In The Wheatbelt, T T. Bestow Jan 1985

Underground Water Supplies In The Wheatbelt, T T. Bestow

Journal of the Department of Agriculture, Western Australia, Series 4

Underground water originates from rainfall. The size of the underground recource in any region is broadly related to the amount of rainfall. However, rainfall intensity and seasonal distribution are just as importent as the quality. A relatively small annual fall which consists of a series of heasvy showers or storms close together, may be a more effective source of recharge to underground water than a larger fall that is more evenly distributed over a longer period.

A large annual rainfall, however, is no guarantee that underground water supplies will be readily available. This is because soils and the underlying rocks …


Atlas Illustrating The Characteristics Of Groundwater In Nebraska, Vince Dreeszen Jan 1985

Atlas Illustrating The Characteristics Of Groundwater In Nebraska, Vince Dreeszen

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Northern Wheatbelt Water Supply Study, I A F Laing, R. M. Pridham Jan 1985

Northern Wheatbelt Water Supply Study, I A F Laing, R. M. Pridham

Journal of the Department of Agriculture, Western Australia, Series 4

Department of Agriculture surveys have shown that many farms in Western australia's northern wheatbelt have inadequate water supplies. More than 80 per cent of all farms in that area depend soley on groundwater for watering livestock, a much higher percentage than for most other farming areas. Because groundwater salinities have increased in recent years, concern is held for the long-term future of this recource.

In contrast to more southern agricultural areas, farm dams in the northern wheatbelt are relatively uncommon. Only 30 per cent of the existing dams in the northern wheatbelt constitute effective water supplies. More than half of …


Increasing Groundwater Salinity In The Northern Wheatbelt, R J. Mcgowan Jan 1985

Increasing Groundwater Salinity In The Northern Wheatbelt, R J. Mcgowan

Journal of the Department of Agriculture, Western Australia, Series 4

Every farmer in western Australia's northern wheatbelt will know of a groundwater supply, be it bore, well or soak. that has become increasingly saline. The groundwater may have become more saline over a period of 15 years or more, or have been noticed only recently. Inevitably, the bore will lie within an area cleared for agriculture. This increase in groundwater salinity may be associated with soil salinisation. Although researchers have some understanding of the processes causing salinisation of groundwater in the wheatbelt and the extent of the problem, little is known about the rates of salinisation and groundwater rise. A …


Groundwater Quality And Mineral Deposits Relationships In The Ozark Mountains, Kenneth F. Steele Sep 1984

Groundwater Quality And Mineral Deposits Relationships In The Ozark Mountains, Kenneth F. Steele

Arkansas Water Resources Center Technical Reports

Ninety-nine groundwater sites were sampled in northern Arkansas in order to determine the effect of local manganese, phosphate, pyrite, lead-zinc and uranium mineralization on the groundwater chemistry. Most of this study (75 springs) was concentrated in the Batesville manganese district. Hydrogeochemical exploration for these types of manganese deposits appears possible with 44 percent of the springs within 2000 feet of mineralization having anomalous metal concentrations (especially manganese). Because only a few springs were sampled in the remaining areas, the results are not conclusive; however, only the pyrite and small lead-zinc deposit would appear worthy of additional investigation. None of the …


Investigations And Research In Nevada By The Water Resources Division, U. S. Geological Survey, 1982-83, Terry Katzer, Otto Moosburner, William D. Nichols Jan 1984

Investigations And Research In Nevada By The Water Resources Division, U. S. Geological Survey, 1982-83, Terry Katzer, Otto Moosburner, William D. Nichols

Publications (WR)

The Water Resources Division, U.S. Geological Survey, is charged with (1) maintaining a hydrologic network in Nevada that provides information on the status of the State's water resources and (2) engaging in technical water-resources investigations that have a high degree of transferability. To meet these broad objections, 26 projects were active in Nevada during fiscal year 1982 in cooperation with 36 Federal, State, and local agencies. Total funds were $3,319,455, of which State and local cooperative funding amounted to $741,500 and Federal funding (comprised of Geological Survey Federal and cooperative programs plus funds from six other Federal agencies) amounted to …


Hydrological Studies In Soil Salinity, C J. Henschke Jan 1983

Hydrological Studies In Soil Salinity, C J. Henschke

Resource management technical reports

Investigations involved examination of near-surface indurated layers to investigate their role in saltland formation. It was found that groundwater could move readily through this layer due to the presence of macro-pores. Close examination of apparently impermeable pallid zone clays, shows that decayed tree roots and large diameter voids provide a continuous pathway for the veritical transport of saline water from deeper aquifers.


Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1983 Dec 1982

Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1983

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


El Paso/New Mexico Controversy [Outline], John P. Frank Jun 1982

El Paso/New Mexico Controversy [Outline], John P. Frank

New Sources of Water for Energy Development and Growth: Interbasin Transfers: A Short Course (Summer Conference, June 7-10)

3 pages.


Preliminary Groundwater Investigations In Relation To Soil Salinity At Fitzgerald, Western Australia, C J. Henschke Apr 1982

Preliminary Groundwater Investigations In Relation To Soil Salinity At Fitzgerald, Western Australia, C J. Henschke

Resource management technical reports

This study investigated soil salinity problems in relation to new land releases at Fitzgerald near the south coast of Western Australia. Fairly widely spaced set of bores was established to compare the groundwater hydrology regimes beneath cleared and virgin land. A large storage of soluble salts (over 100 kgm-2 in some profiles) was measured in the pallid zone clays under both cleared and virgin land conditions. Seasonal fresh to brackish perched watertables were found to overlie highly saline deep waterbles at a number of valley sites on land which has been cleared for agriculture during the past 15 years. Salinity …


Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1982 Jan 1982

Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1982

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Geology And Groundwater Supplies Of Southern Dawes And Northern Sheridan Counties, Nebraska, Vernon L. Souders Jan 1981

Geology And Groundwater Supplies Of Southern Dawes And Northern Sheridan Counties, Nebraska, Vernon L. Souders

Conservation and Survey Division: Faculty and Staff Publications

The upland plain in southern Dawes and northern Sheridan counties of northwest Nebraska is underlain by rocks of Tertiary age. These rocks overlie those of Cretaceous and Jurassic ages in this region of about 2250 square miles . Strata of Tertiary age are a source of groundwater for most of the irrigation, municipal, stock, and rural-domestic needs of the area.

Nine stratigraphic units of Tertiary.age were defined by examination of test hole samples and logs and by examining electric logs of oil and gas tests, driller's logs of irrigation wells, and outcrops. Stratigraphic correlations are difficult in the area because …


Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1981 Jan 1981

Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1981

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Groundwater Reservoir Management Policy Issue Study: A Contract Report For The State Water Planning And Review Process-Nebraska Natural Resources Commission Jan 1981

Groundwater Reservoir Management Policy Issue Study: A Contract Report For The State Water Planning And Review Process-Nebraska Natural Resources Commission

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Groundwater Levels In Nebraska, 1979, Martin S. Johnson, Darryll T. Pederson Jan 1980

Groundwater Levels In Nebraska, 1979, Martin S. Johnson, Darryll T. Pederson

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.