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Page 3865, results 96601 - 96625

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Regional rainfall-runoff relations for simulation of streamflow for watersheds in Lake County, Illinois
James J. Duncker, Tracy J. Vail, Charles S. Melching
1995, Water-Resources Investigations Report 95-4023
Rainfall and streamflow data collected in Lake County, Ill., from March 1990 through September 1993 were used to (1) calibrate a rainfall-runoff model for an area encompassing three watersheds (individual areas of 17.2, 35.7, and 37.0 mi2 (square miles) and (2) verify the regional model parameter set obtained from the calibration...
Relation of fracture orientation to linear terrain features, anisotropic transmissivity, and seepage to streams in the karst Prairie du Chien Group, southeastern Minnesota
J. F. Ruhl
1995, Water-Resources Investigations Report 94-4146
Ground-water flow in the karst-terrane aquifers of southeastern Minnesota is not well defined. Variable fracture patterns in the bedrock affect permeability. Techniques to predict the effects of fracture patterns on ground-water flow in the karst-terrane aquifers of southeastern Minnesota are unavailable. The use of such techniques may be useful to...
Radium and radon in ground water in the Chickies Quartzite, southeastern Pennsylvania
L.A. Senior, K.L. Vogel
1995, Water-Resources Investigations Report 92-4088
The Chickies Quartzite, a Lower Cambrian-age formation compromised of quartzite and slate overlying a basal conglomerate, forms a narrow ridges and crops out discontinuously over 112 square miles in the Piedmont physiographic province of southeastern Pennsylvania. The formation is a low-yielding, fractured- rock, water-table aquifer recharged primarily by local precipitation....
Hydrology of the North Fork of the Right Fork of Miller Creek, Carbon County, Utah, before, during, and after underground coal mining
C.B. Slaughter, G. W. Freethey, L.E. Spangler
1995, Water-Resources Investigations Report 95-4025
From 1988-92 the U.S. Geological Survey, in cooperation with the Utah Division of Oil, Gas, and Mining, studied the effects of underground coal mining and the resulting subsidence on the hydrologic system near the North Fork of the Right Fork of Miller Creek, Carbon County, Utah. The subsidence caused open...
Storm and flood of July 5, 1989, in northern New Castle County, Delaware
G. N. Paulachok, R.H. Simmons, A.J. Tallman
1995, Water-Resources Investigations Report 94-4188
On July 5, 1989, intense rainfall from the remnants of Tropical Storm Allison caused severe flooding in northern New Castle County, Delaware. The flooding claimed three lives, and damage was estimated to be $5 million. Flood conditions were aggravated locally by rapid runoff from expansive urban areas. Record- breaking floods...
A review of the geochemistry of methane in natural gas hydrate
Keith A. Kvenvolden
1995, Organic Geochemistry (23) 997-1008
The largest accumulations on Earth of natural gas are in the form of gas hydrate, found mainly offshore in outer continental margin sediment and, to a lesser extent, in polar regions commonly associated with permafrost. Measurements of hydrocarbon gas compositions and of carbon-isotopic compositions of methane from natural gas hydrate...
Two-year simulation of the Great Lakes region with a coupled modeling system
G. T. Bates, S. W. Hostetler, F. Giorgi
1995, Monthly Weather Review (123) 1505-1522
In this paper, we report on an experiment aimed at evaluating the feasibility of the application of our coupled regional climate modeling system to long-term climate simulations over the Great Lakes region. The simulation analyzed covers a continuous 24-month period beginning 1 September 1990 and extending to 1 September 1992.Many...
Fault healing inferred from time dependent variations in source properties of repeating earthquakes
Chris Marone, John E. Vidale, William L. Ellsworth
1995, Geophysical Research Letters (22) 3095-3098
We analyze two sets of repeating earthquakes on the Calaveras fault to estimate in-situ rates of fault strengthening (healing). Earthquake recurrence intervals tr range from 3 to 803 days. Variations in relative moment and duration are combined to study changes in stress drop, rupture dimension, rupture velocity, and particle velocity as a...
A new mechanism for calcium loss in forest-floor soils
G.B. Lawrence, M.B. David, W.C. Shortle
1995, Nature (378) 162-165
Calcium is the fifth most abundant element in trees, and is an essential component for wood formation and the maintenance of cell walls. Depletion of Ca from the rooting zone can result in acidification of soil1 and surface water2 and possibly growth decline and dieback of red spruce3,4. During the past six...
Historical Landsat data comparisons: illustrations of the Earth's changing surface
Water Resources Division, U.S. Geological Survey
1995, Report
The U.S. Geological Survey's (USGS) EROS Data Center (EDC) has managed the Landsat data archive for more than two decades. This archive provides a rich collection of information about the Earth's land surface. Major changes to the surface of the planet can be detected, measured, and analyzed using Landsat data....
The Hanshin-Awaji Earthquake of January 17, 1995: Performance of lifelines
Donald Ballantyne, Roger D. Borcherdt, Ian G. Buckle, Thomas D. O'Rourke, Anshel J. Schiff
M. Shinozuka, editor(s)
1995, Report
This report describes the damage to lifelines caused by the 1995 Hanshin-Awaji (Kobe) earthquake in Japan. It begins with a summary of the earthquake's seismological characteristics which is followed by separate chapters that focus on the performance of lifelines in  the affected region. In order of presentation, individual chapters discuss...
Estimating losses to predation of recently released American shad larvae in the Juniata River, Pennsylvania
J. H. Johnson, N.H. Ringler
1995, North American Journal of Fisheries Management (15) 854-861
Predation on recently released larval American shad Alosa sapidissima was quantified in the Juniata River, Pennsylvania, on 10 occasions during 1991 and 1992. Of the four sites examined (the stocking site and 100, 200, and 350 m downstream) predation on shad larvae was highest at the stocking site; 44% of the total...
Largemouth bass response to habitat and water quality rehabilitation in a backwater of the upper Mississippi River
R.D. Gent, John Jr. Pitlo, T. Boland
1995, North American Journal of Fisheries Management (15) 784-793
Severe sedimentation since lock and dam construction in the 1930s has reduced water depth in Upper and Lower Brownˈs lakes, a backwater complex in Pool 13 of the upper Mississippi River, and resulted in periods of chronic anoxia. This backwater complex was rehabilitated by construction of a deflection levee, installation...
Climate response among growth increments of fish and trees
Richard P. Guyette, Charles F. Rabeni
1995, Oecologia (104) 272-279
Significant correlations were found among the annual growth increments of stream fish, trees, and climate variables in the Ozark region of the United States. The variation in annual growth increments of rock bass (Ambloplites rupestris) from the Jacks Fork River was significantly correlated over 22 years with the ring width...
Sea ice scouring on the inner shelf of the southeastern Canadian Beaufort Sea
Arnaud Hequette, Marc Desrosiers, Peter W. Barnes
1995, Marine Geology (128) 201-219
About 2200 ice scours were observed and analyzed over a distance of approximately 500 km on the inner shelf of the southeastern Canadian Beaufort Sea. Ice scours were divided into two types based on their morphology: multiple scours consisting of a series of parallel scours and ridges, and single scours....