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Articles 4321 - 4350 of 5282
Full-Text Articles in Earth Sciences
Instream Flows In Idaho, Josephine P. Beeman, Kenneth R. Arment
Instream Flows In Idaho, Josephine P. Beeman, Kenneth R. Arment
Instream Flow Protection in the Western United States: A Practical Symposium (March 31-April 1)
23 pages.
Contains footnotes.
Protecting Instream Resources In Washington State, Robert F. Barwin, Kenneth Slattery, Steven J. Shupe
Protecting Instream Resources In Washington State, Robert F. Barwin, Kenneth Slattery, Steven J. Shupe
Instream Flow Protection in the Western United States: A Practical Symposium (March 31-April 1)
56 pages (includes 1 map).
Contains 10 pages of footnotes.
Mud Springs Quadrangle, Nebraska—Morrill And Cheyenne Counties, 7.5 Minute Series (Topographic), Robert F. Diffendal Jr.
Mud Springs Quadrangle, Nebraska—Morrill And Cheyenne Counties, 7.5 Minute Series (Topographic), Robert F. Diffendal Jr.
Robert F. Diffendal, Jr., Publications
Mud Springs Quadrangle, Nebraska—Morrill and Cheyenne Counties
7.5 minute series (topographic), scale 1:24,000
103° to 103°07'30"
41°22'30" to 41°30'
Toa (Coarse sand and cobble gravel)
March 25, 1988
Lawrence Fork / Potter 2 Ne Quadrangle, Nebraska—Banner, Morril, And Cheyenne Counties, 7.5 Minute Series (Topographic), Robert F. Diffendal Jr.
Lawrence Fork / Potter 2 Ne Quadrangle, Nebraska—Banner, Morril, And Cheyenne Counties, 7.5 Minute Series (Topographic), Robert F. Diffendal Jr.
Robert F. Diffendal, Jr., Publications
Lawrence Fork / Potter 2 NE Quadrangle, Nebraska—Banner, Morril, and Cheyenne Counties
7.5 minute series (topographic), scale 1:24,000
103°15' to 103°22'30"
41°22'30" to 41°30'
Toa, Twb, Qalc, IW
March 1988
The Significance Of Organic Complexing In The Mobility Of Iron In The Kl Landfill Leachate Plume, Kalamazoo, Michigan, James D. Rudder
The Significance Of Organic Complexing In The Mobility Of Iron In The Kl Landfill Leachate Plume, Kalamazoo, Michigan, James D. Rudder
Masters Theses
High iron concentrations in the leachate plume of the KL Landfill in Kalamazoo County, Michigan, persist in the presence of detectable hydrogen-sulfide. Under these conditions iron-sulfide minerals are highly oversaturated and should be precipitating. Calculations performed by the chemical equilibrium model WATEQF indicate over-saturation of selected iron-oxides, siderite, and iron-sulfides. Semilog plots of iron concentration versus time of exposure to air demonstrate retarded precipitation of ferric hydroxide, and analytical techniques of ion chromatography, Fourier transform IR spectrophotometry (FTIR), and UV-Visible spectrophotometry have yielded results which indicate that organic complexing of ferrous iron plays a significant role in the mobility of …
Hydrogeology Of Garfield And Wheeler Counties, Nebraska, Dennis R. Lawton, Robert A. Hiergesell
Hydrogeology Of Garfield And Wheeler Counties, Nebraska, Dennis R. Lawton, Robert A. Hiergesell
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Broadwater [Se] Quadrangle, Morrill County, Nebraska, Robert F. Diffendal Jr.
Broadwater [Se] Quadrangle, Morrill County, Nebraska, Robert F. Diffendal Jr.
Robert F. Diffendal, Jr., Publications
7.5' topgraphic quadrangle showing exposures of bedrock formations and other geologic information.
41° 30' — 41° 37'30"
102° 45' — 102° 52'30"
Scale 1:24,000
Completed [n.d.]
High resolution .tif file attached below as supplemental file
Broadwater Sw Quadrangle, Morrill County, Nebraska, Robert F. Diffendal Jr.
Broadwater Sw Quadrangle, Morrill County, Nebraska, Robert F. Diffendal Jr.
Robert F. Diffendal, Jr., Publications
7.5' topgraphic quadrangle showing exposures of bedrock formations and other geologic information.
41° 30' — 41° 37'30"
102° 52'30" — 103° 00'
Scale 1:24,000
Completed April 12, 1988
High resolution .tif file attached below as supplemental file
Ua66/8/2 Report, Wku Center For Cave & Karst Studies
Ua66/8/2 Report, Wku Center For Cave & Karst Studies
WKU Administration Documents
Report regarding history and activities of the WKU Center for Cave & Karst Studies from 1976 to 1987.
Drought Management: The Role Of Near- Real Time Weather Data, Donald A. Wilhite, Kenneth G. Hubbard
Drought Management: The Role Of Near- Real Time Weather Data, Donald A. Wilhite, Kenneth G. Hubbard
National Drought Mitigation Center: Faculty Publications
The ability to collect weather data in near-real time has improved because of technological advances, enabling weather data users to obtain more weather data over wider areas, and in a more timely fashion. The number of near-real time climate networks is increasing as new applications are found for climate data. More than fifteen states in the United States have established automated weather station networks. This paper presents an overview of recent developments in automated weather data collection in the United States and gives a detailed description of the network in Nebraska.
Near-real time weather data has many applications in agricultural …
Cropstatus--A Computer Program To Assess The Effects Of Seasonal Weather Changes On Nebraska's Agriculture, R. E. Neild, Donald A. Wilhite, K. G. Hubbard
Cropstatus--A Computer Program To Assess The Effects Of Seasonal Weather Changes On Nebraska's Agriculture, R. E. Neild, Donald A. Wilhite, K. G. Hubbard
National Drought Mitigation Center: Faculty Publications
CROPSTATUS is a series of programs residing in Nebraska's AGNET system using daily weather data to assess seasonal changes in crops, livestock, and other agricultural conditions. Assessments are based on parameters developed from accumulations of current daily temperature and precipitation data collected from a network of synoptic, climate, and automated micrometeorological stations in Nebraska in comparison with daily normals. The daily normals were derived from monthly summaries using multiple regression models to compute daily values as a function of Julian day numbers. Crop phenology models based on growing degree days were used to monitor and forecast the progress of different …
Improving Projected Potential Evapotranspiration Estimates Using National Weather Service Forecasts, Steven J. Meyer, Kenneth G. Hubbard, Donald A. Wilhite
Improving Projected Potential Evapotranspiration Estimates Using National Weather Service Forecasts, Steven J. Meyer, Kenneth G. Hubbard, Donald A. Wilhite
National Drought Mitigation Center: Faculty Publications
In a recent survey conducted by the University of Nebraska's Center for Agricultural Meteorology and Climatology of Agricultural Network (AGNET) users, the results of potential evapotranspiration (ETp) projections (calculated using the Blaney-Criddle approach, which employs "normal" climatic data to project ETp estimates up to three days into the future) were labeled "unrealistic." To improve these projections, National Weather Service (NWS) forecast variables were used as input into the Blaney-Criddle and Penman equations. ETp projections calculated according to the Penman equation, with data measured by automated weather stations as input, were assumed to represent the "best" …
Soil Factors Affecting Flood Runoff On Agricultural Catchments In Western Australia, D J. Mcfarlane, J R. Davies
Soil Factors Affecting Flood Runoff On Agricultural Catchments In Western Australia, D J. Mcfarlane, J R. Davies
Resource management technical reports
Reviews methods of including soil properties in flood runoff-predicting equations. Concentrates on practical methods that can be routinely used by soil conservation technicians for flood prediction rather than complex research models. A case is made for collecting soil data from the gauged catchments which are relevant to a perceived runoff mechanism and are capable of being routinely applied in simple flood prediction methodologies.
The Nebraska Agricultural Climate Situation Committee, R. E. Neild, K. G. Hubbard, Donald A. Wilhite
The Nebraska Agricultural Climate Situation Committee, R. E. Neild, K. G. Hubbard, Donald A. Wilhite
National Drought Mitigation Center: Faculty Publications
The Nebraska Agricultural Climate Situation Committee consisting of an interdisciplinary group of extension specialists provides up-to-date information and advice on seasonal changes in crop/ weather conditions. The committee meets each Monday during the growing season to review:
1. Maps and tabular data developed by a computer program CIS /Crop Weather Information System/ that is linked to a network of weather stations and computer terminals in county agent offices.
2. Insect, plant disease and weed surveys.
3. Weekly weather and crop reports from the State/Federal System.
4. Weather outlooks from the National Weather Service.
5. Climate probabilities.
Situation reports and advisories …
Branched Oak Lake State Recreation Area
Branched Oak Lake State Recreation Area
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Resource Notes-Fall/Winter 1987-88
Resource Notes-Fall/Winter 1987-88
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Mineral Yearbook Of Nebraska-1988, Leon E. Esparza, Raymond R. Burchett
Mineral Yearbook Of Nebraska-1988, Leon E. Esparza, Raymond R. Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Interbasin Water Transfers: An Appropriate Management Practice For The Great Lakes?, David M. Krentz
Interbasin Water Transfers: An Appropriate Management Practice For The Great Lakes?, David M. Krentz
Theses and Dissertations (Comprehensive)
Regional water deficiencies exist in North America, and proposals have been advanced to ‘correct’ these by transferring water from regions where it is relatively abundant to regions where it is relatively scarce. Many of these proposals identify the Great Lakes as either a potential source of the water, or as a ‘distribution centre’ into which water may be transferred and subsequently removed to regions experiencing deficiencies. Although the Great Lakes contain a very large amount of fresh water, most of it is required in place, and so many not be removed. The Great Lakes Basin is heavily populated and highly …
Preliminary Groundwater And Salinity Investigations In The Eastern Wheatbelt 2. Merredin Catchment, Richard J. George Dr, P W C Frantom
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.
General Soil Map Of Nebraska, Mark S. Kuzila, Ann M. Mack, J.R. Culver, Steven J. Schaefer
General Soil Map Of Nebraska, Mark S. Kuzila, Ann M. Mack, J.R. Culver, Steven J. Schaefer
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Annual Installation Of Irrigation Wells In Nebraska Through 1988, Conservation Survey Division
Annual Installation Of Irrigation Wells In Nebraska Through 1988, Conservation Survey Division
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Significant Rises And Declines In Nebraska Groundwater Levels (From Pre-Development As Of Fall 1986)/Registered Irrigation Wells In Nebraska (As Of January 1, 1987), Conservation Survey Division, U.S. Geological Survey
Significant Rises And Declines In Nebraska Groundwater Levels (From Pre-Development As Of Fall 1986)/Registered Irrigation Wells In Nebraska (As Of January 1, 1987), Conservation Survey Division, U.S. Geological Survey
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Resourceful Scenes From Past And Present, Roger K. Pabian
Resourceful Scenes From Past And Present, Roger K. Pabian
Conservation and Survey Division: Faculty and Staff Publications
These sites represent significant, interesting or unique occurrences of geologically related natural resources in the state. An extensive explanation of the fifty-seven items notated on the map is included.
Saturated Thickness Of The Principal Groundwater Reservoir In Nebraska, Conservation And Survey Division
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
Groundwater Levels In Nebraska, 1987, Michael J. Ellis, Perry B. Wigley
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Salinity In Western Australia : A Situation Statement, V T. Read
Salinity In Western Australia : A Situation Statement, V T. Read
Resource management technical reports
The Select Committee on Salinity was established by the Legislative Council of the Parliament of Western Australia in November 1987 to inquire into and report on salinity in Western Australia giving particular regard to:
• what action has, or is being taken, to assess the magnitude of the problem;
• what form of action can, or should, be taken to control salinity;
• what legislative of administrative acts or incentives to the private sector are necessary or desirable to assist further in controlling or eradicating salinity.
Members appointed to the Select Committee were the Honourable David Wordsworth (Chairman), the Honourable …
Feasibility Of The Proposed Garden Lane Recharge Basin In Portage, Michigan, Sandra K. Barnick
Feasibility Of The Proposed Garden Lane Recharge Basin In Portage, Michigan, Sandra K. Barnick
Masters Theses
The purpose of this study was to evaluate the potential effectiveness of proposed artificial recharge basins at the Garden Lane Well Field in Portage, Michigan. The area is underlain by 7 feet of muck, 27 feet of sand and gravel, and a 10 foot semiconfining till over a semiconfined aquifer.
The vertical permeability of the semiconfining layer, and the hydraulic head difference between the upper unconfined aquifer and the lower semiconfined aquifer were determined. This was accomplished by conducting a constant-rate pump test. Test data were interpreted by three methods: (1) drawdown vs. time (both logarithmic and semilogarithmic), (2) recovery …
Water Erosion In The Geraldton Area During June-July 1986, K J. Bligh
Water Erosion In The Geraldton Area During June-July 1986, K J. Bligh
Resource management technical reports
No abstract provided.
Classifying Oregon Lake-Watershed Ecosystems For Regional Water Resources Assessment, Randall Alan Jones
Classifying Oregon Lake-Watershed Ecosystems For Regional Water Resources Assessment, Randall Alan Jones
Dissertations and Theses
Natural lake-watershed ecosystems in Oregon compose a diverse and valuable assemblage of land and water resources. With an increasing demand on lakes for recreation, water supplies, and aesthetic values and an increase in available data on Oregon lake systems, there is a need for applicable and timely scientific water management information about lake conditions statewide. This thesis is an attempt to summarize some of the data collected on natural Oregon lake-watershed ecosystems.
The purpose of the thesis is to identify the most typical natural systems out of an initial data base of twenty-four variables, measured over ninety-eight lake-watershed ecosystems. The …
Fox Squirrel Interaction With Electrical Transformers, J. Christopher Hamilton
Fox Squirrel Interaction With Electrical Transformers, J. Christopher Hamilton
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.