Simulation of Freshwater and Saltwater Flow in the Coastal Aquifer System of the Purisima Formation in the Soquel-Aptos Basin, Santa Cruz County, California
... system . Seven of those test holes were completed into multilevel monitoring wells , five along the coast and two inland , to allow ongoing measurement of ground - water levels and quality ( fig . 3 ) . Luhdorff and Scalmanini , Consulting ...
Measurement of Hydraulic Diffusivity of Wedge-shaped Aquifers Drained by Streams
... well fields to provide a known stimulus to ground - water move- ment , are ... solution ( 1942 ) was applied specifi- cally to heat flow in a split log ... manual computation ; consequently , the computing work was assigned to the U.S. ...
Water Quality of Alluvial Aquifers, Carroll and Guthrie Counties, Iowa, with Emphasis on the Occurrence of Nitrate and Pesticides, 1986-87
... ATD equipment was installed . Stage hydrograph data were collected on 38 flows at 7 of the 8 stations . Several of these flows were only high enough to trigger the ATD system before receding . Discharge hydrographs were developed for ...
A Numerical Solution for the Diffusion Equation in Hydrogeologic Systems
... diffusion , heat conduction , and fluid flow . A Fortran - 77 computer code for the solution of the diffusion equation in one or two dimensions in Cartesian or cylindrical coordinates was presented in this report . The program may be ...
The QTRACER Program for Tracer-breakthrough Curve Analysis for Karst and Fractured-rock Aquifers
... case study of longitudinal dispersion in small lowland rivers . Water Environ . Resour . 97 ; 1246- 1253 . Sullivan , P.J. ( 1971 ) Longitudinal dispersion within a two - dimensional turbulent shear flow . J. Fluid Mech . 49 ; 551-576 ...
Aquifer parameter estimation from aquifer tests and specific-capacity data in Cedar Valley and the Cedar Pass area, Utah County, Utah
... pre-test data) 50 _ l . . 70 E i i ____i_ ' i "F ' ' ' ' ' ' ' 7 _ _ "u ... Om . . . . . Om . . . . . 0.1 1. 10. 100. 1000. 1.0E+4 0.1 1. 10. 100. 1000 ... tests and specific-capacity data in Cedar Valley and the Cedar Pass area, Utah ...
... ALAGHUR ATLANTIC 310 30 OCEAN 290 POLE 280 275134N0815220 / CO / -27 ° 52 ' DESSTO 27 ° 00 ' 28 ° 00 ' Figure 4 . 250 without the letter suffix or a new well drilled at the same location of an abandoned or destroyed well . In Orange ...
Geohydrology, Yield, and Water Quality of Stratified-drift Aquifers in the Pemigewasset River Basin, Central New Hampshire
... Bird , R. B. , Stewart , W. E. , Lightfoot , E. N. Transport Phenomena ... Manual , Vol . I and II , Nov. , 1974. International Mathematical ... Solution of Partial Differential Equations with exercises and worked solution , Oxford University ...
Ground Water Manual: A Guide for the Investigation, Development, and Management of Ground-water Resources
... AWWA E101-71 , No. 45101 , American Water Works Association , New York , 1971 . [ 2 ] Fabrin , A. O. , " The Answers to Your Questions About Layne Vertical Turbine Fumps , " Layne Bowler , Inc. , Memphis , Tenn . 1954 . [ 3 ] ...
Characteristics and Properties of the Basin-fill Aquifer Determined from Three Test Wells West of Albuquerque, Bernalillo County, New Mexico
... test well 1 during pumping of the alluvial zone 13. Logarithmic plot of drawdown in test well 1 during pumping of the alluvial zone 36 37 14. Diagram showing piezometer configuration , test well 2 .... 39 15 . Graph showing percentage ...
Codes for the Identification of Aquifer Names and Geologic Units in the United States and the Caribbean Outlying Areas
... supplement surface - water supplies . The stream - aquifer model ( Glover , 1988 ) automatically simulates pumpage from wells that supplement surface - water supplies for irrigation . The model calculates the difference between diverted ...
Geohydrology and Water Quality of Confined-drift Aquifers in the Brooten-Belgrade Area, West-central Minnesota
G. N. Delin. 1971 ) . However , in the remaining area , the unconfined aquifer is thin and wells have been drilled into confined aquifers . These confined aquifers are separated from the unconfined aquifer by till and clay . The confined ...
Hydrology, Water-quality, and Simulation of Ground-water Flow in a Glacial Aquifer System, Cortland County, New York
... confined aquifers 1 1 1 0.2 0.3 0.4 0.5 0.7 2 3 4 5 7 10 ( fig . 26 ) . The most sensitive areas 56 Hydrogeology , Water Quality , and Simulation of Ground - Water Flow in a Glacial - Aquifer System , Cortland County , New York Model ...
Relation of Water Levels in the Red River Alluvial Aquifer to Rainfall and Stages of the Red River, Pool 2, Red River Waterway, Alexandria Area, Louisiana, 1971-91
... wells R - 692 , R - 965 , R - 1014B , and R - 1073 completed in the Red River alluvial aquifer along section A - A ' , and stage for the Red River at Alexandria , Louisiana , 1971-91 Water - level profile A - A ' of the Red River ...
Proceedings of the Third National Symposium on Aquifer Restoration and Ground-Water Monitoring, May 25-27, 1983, The Fawcett Center, Columbus, Ohio
... alternative . The third alternative was to create a recirculation cell at the spill site to pump contaminated ground water through an aeration and activated carbon system and recharge it into the spill area . The basic idea is to create ...
Analysis of Ground-water Flow and Saltwater Encroachment in the Shallow Aquifer System of Cape May County, New Jersey
Frederick J. Spitz. FEB 1 1999 THE LIBRARY UNIVERSITY OF CALIFORNIA Riverside THIS BOOK IS DUE ON THE LAST DATE STAMPED BELOW Books not returned on time are subject to fines according to the Library Lending Code . Books cannot be renewed ...
Proceedings of the Geohydrology Dakota Aquifer Symposium: October 5-6, 1982, the Villager Motor Inn Convention Center, Lincoln, Nebraska
October 5-6, 1982, the Villager Motor Inn Convention Center, Lincoln, Nebraska Donald G. Jorgensen, Donald C. Signor. Keya Paha EXPLANATION Shows altitude at which water level would have stood in tightly cased wells , 1980-81 . Dashed ...
Geophysically Estimated Porosity of Selected Paleozoic Rocks in the Upper Colorado River Basin, Colorado, Utah, Wyoming, and Arizona
... log by using theoretical equations , from the neutron log by using an ... sonic and neutron geophysical logs . Each type of logging tool measures a ... sonic log records the transit time of an acoustic pulse traveling from a sonic ...
Land-subsidence Measurements and Aquifer-compaction Monitoring in Tucson Basin and Avra Valley, Arizona
... -- Depth to water and measured compaction at well in section 30 , T. 15 S. , R. 14 E. ( Babcock and others , 1986 ) . Conventional First - Order Leveling Measurements National Geodetic Survey first 6 Land-subsidence measurements.
Geohydrology Of, and Nitrogen and Chloride In, the Glacial Aquifer, Milford-Matamoras Area, Pike County, Pennsylvania
... dissolved nutrient constituents addressed in this study are nitrate , ammonium , nitrite , organic nitrogen , and phosphate . The presence of chloride and these nutrients in ground water can indicate contamination by road runoff or ...
... Core 381-383 . Silty sand , dark olive - gray ( 5Y 3/1 ) , very fine to fine with a little medium sand , muscovite abundant , biotite common , glauconite absent to rare ; tough , nearly dry with shaly fracture . Silt , dark olive - gray ...
Estimated Age and Source of the Young Fraction of Ground Water at the Idaho National Engineering and Environmental Laboratory
... fraction of the water sample , calculated by using the 3H / 3He method and ... fraction of young water of about 45 percent or less ( table 3 ) were consistent ... 4.6 m of casing , the well is an open hole containing about 29 m of water ...
Potential for Water-quality Degradation of Interconnected Aquifers in West-central Florida
... caliper ; G , gamma ; K , fluid - conductivity ; T , temperature ; E , electric ; FS , impeller flowmeter survey ; V ... Golf Course 271530 822728 453 127 8 04-25-84 C , G , K , T , E , FS , VFS 0 47 Manatee County Duette 273303 820641 ...
Hydrogeologic Framework and Geochemistry of the Edwards Aquifer Saline-water Zone, South-central Texas
... Ozuna , U.S. Geological Survey , written commun . , 1991 ) . Devils River Formation Lozo and Smith ( 1964 ) defined ... bio- hermal rudist mounds , talus grainstone , and interreefal wackestone ( Maclay and Small , 1984 ) . West Nueces ...
... budget of the alluvial and Tertiary systems , in acre - feet per year ......... ................. 17 9. Maps showing ... Pie charts showing percent area for water - level change groups from predevelopment to 2007 in the Mississippi River ...
Ground-water Resources in Rapides Parish, Louisiana, 2005
... ( SDWR's ) . Chloride concentrations generally are less than 180 mg / L ; however , local areas contain saltwater ( chloride concentrations greater than 250 mg / L ) . The upland terrace aquifer and Chicot aquifer system combined underlie ...
Regional Assessment of Aquifer Vulnerability and Sensitivity in the Conterminous United States
Wayne A. Pettyjohn, Mark E. Savoca, Dale Self. Pettyjohn , W.A. , 1989 ... Pettyjohn , W.A. , H. White , and S. Dunn , 1983 , Water Atlas Of Oklahoma ... Caves of Indiana . Indiana Dept of Conservation . Price , D. , and T. Arnow ...
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