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Articles 1171 - 1200 of 1911
Full-Text Articles in Hydrology
Channel, A Model Of Channel Erosion By Shear, Scour And Channel Headwall Propagation: Part 1. Model Development, Alex W. Fogle, Billy J. Barfield
Channel, A Model Of Channel Erosion By Shear, Scour And Channel Headwall Propagation: Part 1. Model Development, Alex W. Fogle, Billy J. Barfield
KWRRI Research Reports
In the research conducted under this project, models were developed which predict channel erosion resulting from shear in gradually varied flow, shearing forces resulting from submerged jets and hydraulic jumps, and shearing forces resulting from free jets impinging a plunge pool. These models are linked with a runoff routing algorithm to develop the CHANNEL model. This model predicts general channel erosion resulting from time varying gradually varied now as well as predicts the development and propagation of channel headwalls. At this writing, the model still has some problems handling the transition from open channel now to a free jet within …
A Study Of Ground-Water Quality In A Priority Agricultural And Livestock Watershed, Cass County, Michigan, Matthew Alan Stuk
A Study Of Ground-Water Quality In A Priority Agricultural And Livestock Watershed, Cass County, Michigan, Matthew Alan Stuk
Masters Theses
A study of ground-water contamination in a shallow, sandy, glacial drift aquifer was performed in a watershed dominated by swine feedlots and crop fields in Cass County, Michigan. Monitoring wells were installed and sampled to study the flow pattern, chemistry, and contamination of ground water.
Results of chemical analyses show contamination from fertilizers and other soil-applied chemicals as well as the infiltration of breakdown products from pig waste. Shallow wells in impacted areas show potassium and nitrate from the breakdown of fertilizers, calcium from field application of lime, and additional nitrate from pig waste. Elevated calcium, potassium, and nitrate concentrations …
Groundwater-Level Changes In Nebraska, 1991, Gregory V. Steele, Perry B. Wigley
Groundwater-Level Changes In Nebraska, 1991, Gregory V. Steele, Perry B. Wigley
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Development Of Membrane Film Fiber Optic Based Sensors For The Remote Monitoring Of The Quality Of Surface And Groundwater, Leonidas G. Bachas
Development Of Membrane Film Fiber Optic Based Sensors For The Remote Monitoring Of The Quality Of Surface And Groundwater, Leonidas G. Bachas
KWRRI Research Reports
The objective of this study was the development of chromo- and fluoroionophores and their subsequent use in sensors capable of surface and groundwater monitoring. Several reagents (modified crown ethers and porphyrins) were synthesized based on principles of chemical recognition and used for metal and pH sensing. The modified crown ether reagents include a chromogenic or fluorogenic group. The selectivity of these reagents is controlled by the size of the crown ether ring and the type of the chromogenic or fluorogenic side-arm. In addition, a fluorogenic crown ether was synthesized that incorporates a fluorogenic side-arm and a perfluorinated carbon chain. The …
Gis Characterization Of Beaver Watershed, H. D. Scott, J. M. Mckimmey
Gis Characterization Of Beaver Watershed, H. D. Scott, J. M. Mckimmey
Arkansas Water Resources Center Technical Reports
Beaver Reservoir watershed is located in Northwest Arkansas including portions of Madison, Washington, Benton, Carroll, Franklin and Crawford counties. This watershed is important to the Northwest Arkansas region because it supplies most of the drinking water for the major towns and cities, and several rural water systems. The watershed consists of 308,971 ha with elevations ranging from approximately 341 m to 731 m above mean sea level. It includes the Springfield Plateau and the Boston Mountains provinces within the Ozark Plateau physiographic region. There are approximately 581 km of streams, 532 km of shore line, and 3712 km of roads …
Measurement Of The Effects Of Food Preparation Activities On The Microclimate Of The Snowball Dining Room Area Of Mammoth Cave, Kelly Kaletsky
Measurement Of The Effects Of Food Preparation Activities On The Microclimate Of The Snowball Dining Room Area Of Mammoth Cave, Kelly Kaletsky
Masters Theses & Specialist Projects
The stability of Mammoth Cave’s microclimate has never undergone extensive investigation. The Snowball Dining Room area was chosen to measure the microclimate of the cave and to determine if food preparation, human presence and surface temperature variations alter this microclimate. Three portable weather stations containing a temperature / humidity probe, datalogger and microbarograph were placed in various locations along three passageways leading away from the dining room. Readings were taken 24 hours per day for four months. Plotting temperature readings in graph form show a correlation between temperature of the passageway and distance from the dining room.
Stable Isotope Composition Of Calcareous Paleosols And Ground-Water Cements From The Ogallala Group (Neogene), Western Nebraska, Leonard Robert Gardner, Robert F. Diffendal Jr., Douglas F. Williams
Stable Isotope Composition Of Calcareous Paleosols And Ground-Water Cements From The Ogallala Group (Neogene), Western Nebraska, Leonard Robert Gardner, Robert F. Diffendal Jr., Douglas F. Williams
Robert F. Diffendal, Jr., Publications
A preliminary survey has been made of the stable isotope composition of secondary carbonates in the Ogallala Group of western Nebraska. The purpose of the study was to ascertain whether the isotopic signatures of calcareous paleosols in the fine grained facies of the Ogallala and groundwater cements in gravel facies might provide a basis for stratigraphic correlation and/or paleoclimatic interpretation.
The groundwater cemented channel gravels are modestly depicted in IRO (δ18O = –10‰) as compared to calcareous paleo'sols (δ18O = –8.0 to –9.0‰). Gravels of different age, however, have essentially identical isotopic signatures. The isotopic variability …
Hydrogeology Of Parts Of The Twin Platte And Middle Republican Natural Resources Districts, Southwestern Nebraska, J. W. Goeke, J. M. Peckenpaugh, R. E. Cady, J. T. Dugan, R. A. Engberg
Hydrogeology Of Parts Of The Twin Platte And Middle Republican Natural Resources Districts, Southwestern Nebraska, J. W. Goeke, J. M. Peckenpaugh, R. E. Cady, J. T. Dugan, R. A. Engberg
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Hydrogeologic Characterization Of A Multi-Aquifer System At Station 11 In Kalamazoo, Michigan, Linda G. Jones
Hydrogeologic Characterization Of A Multi-Aquifer System At Station 11 In Kalamazoo, Michigan, Linda G. Jones
Masters Theses
The purpose of this study was to determine the hydraulic connection between the upper and lower confined glacial drift aquifers. The results of this study are based primarily upon the geologic profiles, a comparison of the head differences within each aquifer, potentiometric surfaces and different lag times for precipitation to reach each aquifer.
Results of the aquifer test showed that the upper confining layer pinches out in the western part of the well field. This area also provided significant recharge to the well field during the aquifer test. Data collected during the aquifer test and the increases in water levels …
An Inventory And Condition Survey Of The Roebourne Plains And Surrounds, Western Australia, A L. Payne, Peter J. Tille
An Inventory And Condition Survey Of The Roebourne Plains And Surrounds, Western Australia, A L. Payne, Peter J. Tille
Technical Bulletins
The survey area is located in the North-West Division of Western Australis. It covers part of the Dampier-Barrow Island, Pyramid, Roebourne and Ysrraloola 1: 250,000 scale map sheets and all of the Karatha, Mallina, Pyrsmid, Sherlock, Mt Welcome and Warambie pastoral leases.
Resource News-May/June 1992
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Solid Waste Management In Seismic Impact Zones, Raymond R. Burchett
Solid Waste Management In Seismic Impact Zones, Raymond R. Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Design, Construction, And Monitoring Of The Ground-Water Resources Of A Large Mine-Spoil Area: Star Fire Tract, Eastern Kentucky, David R. Wunsch, James S. Dinger, Page B. Taylor
Design, Construction, And Monitoring Of The Ground-Water Resources Of A Large Mine-Spoil Area: Star Fire Tract, Eastern Kentucky, David R. Wunsch, James S. Dinger, Page B. Taylor
Report of Investigations--KGS
By the year 2010, the Star Fire mining operation in Knott, Breathitt, and Perry Counties in eastern Kentucky, which uses mountaintop-removal and hollow-fill mining techniques, will have created approximately 5,000 acres of gently rolling terrain that could support alternative land uses. The present research is centered on approximately 1,000 acres of spoil created since mining began in 1981. An aquifer fed by both ground and surface water will be created within the spoil. Spoil-handling techniques such as cast blasting, dragline placement, end dumping by trucks, and surface grading have created porous coarse-rock zones within the spoil through which ground water …
Groundwater Levels In Nebraska, 1991, Gregory V. Steele, Perry B. Wigley
Groundwater Levels In Nebraska, 1991, Gregory V. Steele, Perry B. Wigley
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Groundwater-Level Changes In Nebraska, Predevelopment To Fall 1992, Conservation Survey Division, U.S. Geological Survey
Groundwater-Level Changes In Nebraska, Predevelopment To Fall 1992, Conservation Survey Division, U.S. Geological Survey
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Dixon County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Dixon County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Greeley County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Greeley County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Nance County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Nance County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Boone County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Boone County Test Hole Logs, Raymond R. Burchett, Frank A. Smith
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Wheeler County Test Hole Logs, Raymond R. Burchett
Wheeler County Test Hole Logs, Raymond R. Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Resource Notes-Academic Year 1991-92
Resource Notes-Academic Year 1991-92
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Resource News-January/February 1992
Resource News-January/February 1992
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Resource News-March/April 1992
Resource News-March/April 1992
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Resource News-July/August 1992
Resource News-July/August 1992
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Mineral Resource Map Of Nebraska, R. R. Burchett
Mineral Resource Map Of Nebraska, R. R. Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Geologic Bedrock Map Of Nebraska, R. R. Burchett
Geologic Bedrock Map Of Nebraska, R. R. Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Description Of Rocks From A Core Drilled At A Potential Low-Low Level Radioactive Waste Site In Nemaha County, R. R. Burchett
Description Of Rocks From A Core Drilled At A Potential Low-Low Level Radioactive Waste Site In Nemaha County, R. R. Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Groundwater Levels In Nebraska, 1990, Gregory V. Steele, Perry B. Wigley
Groundwater Levels In Nebraska, 1990, Gregory V. Steele, Perry B. Wigley
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Climate, Physiography, Geology, Hydrology And Land Use In The North Stirlings Area : A Precursory Report, R Lennard, R A. Nulsen, C E. Southwell
Climate, Physiography, Geology, Hydrology And Land Use In The North Stirlings Area : A Precursory Report, R Lennard, R A. Nulsen, C E. Southwell
Resource management technical reports
No abstract provided.
Ua66/8/3 Geogram, Wku Geography & Geology
Ua66/8/3 Geogram, Wku Geography & Geology
WKU Administration Documents
Newsletter created by and about the WKU Geography & Geology highlighting activities of faculty, students and alumni.