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Articles 961 - 990 of 1349

Full-Text Articles in Hydrology

Geologic History Of Scotts Bluff National Monument, Roger K. Pabian, James B. Swinehart Iii Feb 1979

Geologic History Of Scotts Bluff National Monument, Roger K. Pabian, James B. Swinehart Iii

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Inferred Areal Extent Of The Oligocene (White River Group) Chadron Basal Sand, Conservation And Survey Division, University Of Nebraska-Lincoln Jan 1979

Inferred Areal Extent Of The Oligocene (White River Group) Chadron Basal Sand, Conservation And Survey Division, University Of Nebraska-Lincoln

Conservation and Survey Division: Faculty and Staff Publications

Inferred Areal Extent of the Oligocene (White River Group) Chadron Basal Sand. Map. No Scale. Nebraska High Plains-Ogallala Aquifer Study Area series. Lincoln: University of Nebraska. Print. (date unknown, 1979?)


Availability And Use Of Water In Nebraska, 1975, R. Bentall, F. B. Shaffer Jan 1979

Availability And Use Of Water In Nebraska, 1975, R. Bentall, F. B. Shaffer

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Pre-Tertiary Subcrop Rocks In The Nebraska Panhandle, Conservation And Survey Division, University Of Nebraska-Lincoln Jan 1979

Pre-Tertiary Subcrop Rocks In The Nebraska Panhandle, Conservation And Survey Division, University Of Nebraska-Lincoln

Conservation and Survey Division: Faculty and Staff Publications

Pre-Tertiary Subcrop Rocks in the Nebraska Panhandle. Map. No Scale. Nebraska High Plains-Ogallala Aquifer Study Area series. Lincoln: University of Nebraska. Print. (date unknown, 1979?)


The Mississippian And Pennsylvanian (Carboniferous) Systems In The United States-Nebraska, R. R. Burchett Jan 1979

The Mississippian And Pennsylvanian (Carboniferous) Systems In The United States-Nebraska, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

Nebraska is underlain by rocks of Mississippian and (or) Pennsylvanian age in all but the extreme northeastern part of the State. Only some of the Upper Pennsylvanian strata are exposed; outcrops of these rocks are limited to southeaster Nebraska. This work is published as Conservation and Survey Division GSI-5 and as U.S. Geological Survey PP-1110-P.


Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1979 Jan 1979

Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1979

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Groundwater Levels In Nebraska, 1978, Darryll T. Pederson, Martin S. Johnson Jan 1979

Groundwater Levels In Nebraska, 1978, Darryll T. Pederson, Martin S. Johnson

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Groundwater Levels In Nebraska, 1977, Michael J. Ellis, Darryll T. Pederson Dec 1978

Groundwater Levels In Nebraska, 1977, Michael J. Ellis, Darryll T. Pederson

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Effects Of Surface Drainage On Dryland Salinity, P R. George, T. R. Negus Jan 1978

Effects Of Surface Drainage On Dryland Salinity, P R. George, T. R. Negus

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

Areas which are salt-affected are often also flooded. Although flooding is not the basic cause of salinity, surface drainage may improve conditions for plant growth, and this article describes suitable methods


Final Report Buffalo National River Ecosystems Part Iv, R. E. Babcock, E. E. Dale, R. L. Meyer, D. G. Parker, E. G. Smith, M. D. Springer Jan 1978

Final Report Buffalo National River Ecosystems Part Iv, R. E. Babcock, E. E. Dale, R. L. Meyer, D. G. Parker, E. G. Smith, M. D. Springer

Arkansas Water Resources Center Technical Reports

Sampling point locations and analytical procedures remained unchanged from those outlined in previous Buffalo National River Ecosystem reports. The only significant change in analytical procedures was a reversion to the glass fiber filter method for collection and extraction of samples for chlorophyll analysis. This change was neeessitated by a need for filtering a larger volume to obtain enough chlorophyll for an accurate measurement. Samples were collected monthly from April 9 through December 30. No samples were taken in January or February due to the extremely uncertain traveling conditions caused by the frequent snows. Prior research indicates that the December 30 …


An Evaluation Of The Effects Of Dredging Within The Arkansas River Navigation System - Volume I - Introduction, Summary And Conclusions, And Recommendations, Arkansas Water Resources Research Center Jan 1978

An Evaluation Of The Effects Of Dredging Within The Arkansas River Navigation System - Volume I - Introduction, Summary And Conclusions, And Recommendations, Arkansas Water Resources Research Center

Arkansas Water Resources Center Technical Reports

The foundation for the development of the Arkansas River was laid with the authorization of many upstream reservoirs in the comprehensive River and Harbor Act of 1946 signed by President Truman. Subsequent authorizations were forthcoming and work began on many of the bank stabilization facilities in 1950 and on the major structures in 1957. The current McClellan-Kerr Arkansas River Navigation System was substantially completed in 1972. The authorized multiple-purpose plan for the Arkansas River and tributaries provided for the construction of coordinated developments in the interests of navigation, hydroelectric power, flood control, bank stabilization, and related benefits including recreation and …


Tertiary Stratigraphy Of The Niobrara River Valley, Marsland Quadrangle, Western Nebraska, Conservation And Survey Division Jan 1978

Tertiary Stratigraphy Of The Niobrara River Valley, Marsland Quadrangle, Western Nebraska, Conservation And Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Landform, Natural Drainage And Salinity, Eric Bettenay Jan 1978

Landform, Natural Drainage And Salinity, Eric Bettenay

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

An understanding of salt movement in streams and groundwater may lead to better methods of control and prevention of salinity.


Soil Salinity In Western Australia : A Summary, T C. Stoneman Jan 1978

Soil Salinity In Western Australia : A Summary, T C. Stoneman

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

Soil salinity problems have long been recognised in Western Australia. The earliest published explanation in 1924 suggested that removing native vegetation increased stream salinity, and this basic cause has been confirmed by many studies since.


Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1978 Jan 1978

Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1978

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Water Resources Of Seward County, Nebraska, C. F. Keech Jan 1978

Water Resources Of Seward County, Nebraska, C. F. Keech

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Western Australian Soils Store Large Quantities Of Salt, C V. Malcolm, R. A. Nulsen, C. Henschke Jan 1978

Western Australian Soils Store Large Quantities Of Salt, C V. Malcolm, R. A. Nulsen, C. Henschke

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

Enormous quantities of salt are stored in the soil in the agricultural areas of Western Australia. Small movements in this salt can produce large effects on farms.


The Dryland Salinity Problem In North America, P R. George Jan 1978

The Dryland Salinity Problem In North America, P R. George

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

North america also has a dryland salinity problem although the source is different.


Regional Tectonics And Seismicity Of Eastern Nebraska, Annual Report June 1, 1978- May 30, 1979, R. R. Burchett Jan 1978

Regional Tectonics And Seismicity Of Eastern Nebraska, Annual Report June 1, 1978- May 30, 1979, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


A Need For Redefinition Of North American Pleistocene Stages, J. D. Boellstorff Jan 1978

A Need For Redefinition Of North American Pleistocene Stages, J. D. Boellstorff

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Groundwater Levels In Nebraska, 1977, Michael J. Ellis, Darryll T. Pederson Jan 1978

Groundwater Levels In Nebraska, 1977, Michael J. Ellis, Darryll T. Pederson

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Structure Of The Tarkio Limestone Along The Humboldt Fault Zone In Southeast Nebraska, R. R. Burchett, J. L. Arrigo Jan 1978

Structure Of The Tarkio Limestone Along The Humboldt Fault Zone In Southeast Nebraska, R. R. Burchett, J. L. Arrigo

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Buffalo National River Ecosystem - Part Iii, M. D. Springer, E. B. Smith, D. G. Parker, R. L. Meyer, E. E. Dale, R. E. Babcock Jun 1977

Buffalo National River Ecosystem - Part Iii, M. D. Springer, E. B. Smith, D. G. Parker, R. L. Meyer, E. E. Dale, R. E. Babcock

Arkansas Water Resources Center Technical Reports

Samples for water quality analyses and phycological studies were taken from the nine standard sampling locations on the Buffalo River nine times during the period from March 1976 through February 1977. The April-June 1976 samples represent nearly identical conditions throughout the spring period; therefore, emphasis was placed on taxonomic research. As the early January sample was considered sufficient~y reflective of stable winter conditions, the December and February periods were. used for detailed microscopic examination of the rich and diverse diatom flora that was found in the river this year. A total of 273 taxa of diatoms were identified from the …


Groundwater Levels In Nebraska, 1976, Michael J. Ellis, Darryll T. Pederson Jun 1977

Groundwater Levels In Nebraska, 1976, Michael J. Ellis, Darryll T. Pederson

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Landsat Linear Trend Analysis - A Tool For Groundwater Exploration In Northern Arkansas, H. C. Macdonald, Kenneth F. Steele, Elizabeth Gaines Jan 1977

Landsat Linear Trend Analysis - A Tool For Groundwater Exploration In Northern Arkansas, H. C. Macdonald, Kenneth F. Steele, Elizabeth Gaines

Arkansas Water Resources Center Technical Reports

Intelligent development of groundwater resources is a process that requires a thorough understanding of the availability and movement of groundwater. In northern Arkansas knowledge of the deep aquifers is fairly limited, perhaps because economic factors and uncertain yields have discouraged exploitation. The development of these deeper aquifers to their fullest potential as reliable water sources depends on the delineation of high yield areas, a process that may be facilitated by linear trend analysis as outlined in this study. Satellite and photolineament maps of the 13 counties were prepared by use of LANDSAT images and Agricultural Stabilization and Conservation Service photo …


Saltland And What To Do About It, C V. Malcolm Jan 1977

Saltland And What To Do About It, C V. Malcolm

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

Saltland can be conveniently divided into three main types on the basis of cause. Within each type their is great variation, and the types may merge or overlap.

The three aims of a saltland treatment programme are; reduce the groundwater levels or seepage flows as much as possible,reduce the capillary action which brings salt to the surface, and to revegetate the soils with the most useful plants that can survive.


Pawnee County, Table Rock Area, R. K. Pabian Jan 1977

Pawnee County, Table Rock Area, R. K. Pabian

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Coal Resources Of Nebraska, R. R. Burchett Jan 1977

Coal Resources Of Nebraska, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1977 Jan 1977

Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1977

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Thayer County, Alexandria And Gilead Areas, R. K. Pabian Jan 1977

Thayer County, Alexandria And Gilead Areas, R. K. Pabian

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.