Estimation of shallow ground-water recharge in the Great Lakes basin
B.P. Neff, A.R. Piggott, R. A. Sheets
2006, Scientific Investigations Report 2005-5284
This report presents the results of the first known integrated study of long-term average ground-water recharge to shallow aquifers (generally less than 100 feet deep) in the United States and Canada for the Great Lakes, upper St. Lawrence, and Ottawa River Basins. The approach used was consistent throughout the study...
Sinkhole flooding in Murfreesboro, Rutherford County, Tennessee, 2001-02
Mike Bradley, Gregg Edward Hileman
2006, Scientific Investigations Report 2005-5281
The U.S. Geological Survey, in cooperation with the City of Murfreesboro, Tennessee, conducted an investigation from January 2001 through April 2002 to delineate sinkholes and sinkhole watersheds in the Murfreesboro area and to characterize the hydrologic response of sinkholes to major rainfall events. Terrain analysis was used to define sinkholes...
Effects of spatially variable resolution on field-scale estimates of tracer concentration from electrical inversions using Archie's law
Kamini Singha, Steven M. Gorelick
2006, Geophysics (71) G83-G91
Two important mechanisms affect our ability to estimate solute concentrations quantitatively from the inversion of field-scale electrical resistivity tomography (ERT) data: (1) the spatially variable physical processes that govern the flow of current as well as the variation of physical properties in space and (2) the overparameterization of inverse models,...
Continuous hydrologic simulation and flood-frequency, hydraulic, and flood-hazard analysis of the Blackberry Creek watershed, Kane County, Illinois
David T. Soong, Timothy D. Straub, Elizabeth A. Murphy
2006, Scientific Investigations Report 2005-5270
Results of hydrologic model, flood-frequency, hydraulic model, and flood-hazard analysis of the Blackberry Creek watershed in Kane County, Illinois, indicate that the 100-year and 500-year flood plains range from approximately 25 acres in the tributary F watershed (a headwater subbasin at the northeastern corner of the watershed) to almost 1,800...
Suspended-sediment yields and stream-channel processes on Judy's Branch watershed in the St. Louis Metro East region in Illinois
Timothy D. Straub, Gary P. Johnson, Donald P. Roseboom, Carlos R. Sierra
2006, Scientific Investigations Report 2006-5016
Judy's Branch watershed, a small basin (8.64 square miles) in the St. Louis Metro East region in Illinois, was selected as a pilot site to determine suspended-sediment yields and stream-channel processes in the bluffs and American Bottoms (expansive low-lying valley floor in the region). Suspended-sediment and stream-chan-nel data collected and...
Evaluation of hydrologic conditions and nitrate concentrations in the Rio Nigua de Salinas alluvial fan aquifer, Salinas, Puerto Rico, 2002-03
Jose M. Rodriguez
2006, Scientific Investigations Report 2006-5062
A ground-water quality study to define the potential sources and concentration of nitrate in the Rio Nigua de Salinas alluvial fan aquifer was conducted between January 2002 and March 2003. The study area covers about 3,600 hectares of the coastal plain within the municipality of Salinas in southern Puerto Rico,...
Interactive effects of dissolved zinc and orthophosphate on phytoplankton from Coeur d'Alene Lake, Idaho
James S. Kuwabara, Brent R. Topping, Paul F. Woods, James L. Carter, Stephen W. Hager
2006, Scientific Investigations Report 2006-5091
Within the longitudinal chemical-concentration gradient in Coeur d'Alene Lake, generated by inputs from the St. Joe and Coeur d'Alene Rivers, two dominant algal species, Chlorella minutissima and Asterionella formosa, were isolated and cultured in chemically defined media to examine growth response to a range of dissolved orthophosphate concentrations and zinc-ion...
Chlorophyll a and inorganic suspended solids in backwaters of the upper Mississippi River system: Backwater lake effects and their associations with selected environmental predictors
James T. Rogala, Brian R. Gray
2006, Open-File Report 2006-1043
The Long Term Resource Monitoring Program (LTRMP) uses a stratified random sampling design to obtain water quality statistics within selected study reaches of the Upper Mississippi River System (UMRS). LTRMP sampling strata are based on aquatic area types generally found in large rivers (e.g., main channel, side channel, backwater, and...
The U.S. Geological Survey and City of Atlanta water-quality and water-quantity monitoring network
Arthur J. Horowitz, W. Brian Hughes
2006, Fact Sheet 2005-3126
Population growth and urbanization affect the landscape, and the quality and quantity of water in nearby rivers and streams, as well as downstream receiving waters (Ellis, 1999). Typical impacts include: (1) disruption of the hydrologic cycle through increases in the extent of impervious surfaces (e.g., roads, roofs, sidewalks) that increase...
Analysis of ambient conditions and simulation of hydrodynamics and water-quality characteristics in Beaver Lake, Arkansas, 2001 through 2003
Joel M. Galloway, W. Reed Green
2006, Scientific Investigations Report 2006-5003
Beaver Lake is a large, deep-storage reservoir located in the upper White River Basin in northwestern Arkansas. The purpose of this report is to describe the ambient hydrologic and water-quality conditions in Beaver Lake and its inflows and describe a two-dimensional model developed to simulate the hydrodynamics and water quality...
Use of the Multi-Node Well (MNW) package when simulating solute transport with the MODFLOW ground-water transport process
Leonard F. Konikow, G.Z. Hornberger
2006, Techniques and Methods 6-A15
This report describes modifications to a U.S. Geological Survey (USGS) three-dimensional solute-transport model (MODFLOW-GWT), which is incorporated into the USGS MODFLOW ground-water model as the Ground-Water Transport (GWT) Process. The modifications were made to create compatibility between the Multi-Node Well (MNW) Package for MODFLOW and the MODFLOW-GWT model. This compatibility...
Hydrology, water chemistry, and revised water budgets for Tracy Segment hydrographic area, Storey, Washoe, and Lyon Counties, west-central Nevada, 1998-2002
Carl E. Thodal, Mary L. Tumbusch
2006, Scientific Investigations Report 2006-5010
Scoping of flood hazard mapping needs for Kennebec County, Maine
Robert W. Dudley, Charles W. Schalk
2006, Open-File Report 2006-1099
This report was prepared by the U.S. Geological Survey (USGS) Maine Water Science Center as the deliverable for scoping of flood hazard mapping needs for Kennebec County, Maine, under Federal Emergency Management Agency (FEMA) Inter-Agency Agreement Number HSFE01-05-X-0018. This section of the report explains the objective of the task and...
Scoping of flood hazard mapping needs for Somerset County, Maine
Robert W. Dudley, Charles W. Schalk
2006, Open-File Report 2006-1100
This report was prepared by the U.S. Geological Survey (USGS) Maine Water Science Center as the deliverable for scoping of flood hazard mapping needs for Somerset County, Maine, under Federal Emergency Management Agency (FEMA) Inter-Agency Agreement Number HSFE01-05-X-0018. This section of the report explains the objective of the task and...
Scoping of flood hazard mapping needs for Cumberland County, Maine
Robert W. Dudley, Charles W. Schalk
2006, Open-File Report 2006-1098
This report was prepared by the U.S. Geological Survey (USGS) Maine Water Science Center as the deliverable for scoping of flood hazard mapping needs for Cumberland County, Maine, under Federal Emergency Management Agency (FEMA) Inter-Agency Agreement Number HSFE01-05-X-0018. This section of the report explains the objective of the task and...
Evaluation of the ground-water flow model for northern Utah Valley, Utah, updated to conditions through 2002
Susan A. Thiros
2006, Scientific Investigations Report 2006-5064
This report evaluates the performance of a numerical model of the ground-water system in northern Utah Valley, Utah, that originally simulated ground-water conditions during 1947-1980 and was updated to include conditions estimated for 1981-2002. Estimates of annual recharge to the ground-water system and discharge from wells in the area were...
Water resources data, Utah, water year 2005
Dale E. Wilberg, J.R. Tibbetts, Michael Enright, C.B. Burden, Cynthia Smith, C.E. Angeroth
2006, Water Data Report UT-05-1
Water-resources data for the 2005 water year for Utah consist of records of stage, discharge, and water quality of streams; stage and contents of lakes and reservoirs; and water levels and water quality of ground water. This report contains discharge records for 165 gaging stations; stage and contents for 8...
Water-Quality Data for the Lower Russian River Basin, Sonoma County, California, 2003-2004
Robert Anders, Karl Davidek, Kathryn M. Koczot
2006, Data Series 168
In 2003, the U.S. Geological Survey, in cooperation with the Sonoma County Water Agency, began a study to determine the chemical, microbiological, and isotopic composition of the surface water and ground water in selected areas of the Lower Russian River Basin, Sonoma County, California. This report is a compilation of...
Concentration of selected herbicides, herbicide degradation products, and nutrients in the lower Mississippi River, Louisiana, April 1991 through December 2003
Elisabeth A. Scribner, Donald A. Goolsby, William A. Battaglin, Michael T. Meyer, E.M. Thurman
2006, Data Series 165
No abstract available....
MODFLOW-2005, the U.S. Geological Survey modular ground-water model - documentation of shared node local grid refinement (LGR) and the boundary flow and head (BFH) package
Steffen W. Mehl, Mary C. Hill
2006, Techniques and Methods 6-A12
This report documents the addition of shared node Local Grid Refinement (LGR) to MODFLOW-2005, the U.S. Geological Survey modular, transient, three-dimensional, finite-difference ground-water flow model. LGR provides the capability to simulate ground-water flow using one block-shaped higher-resolution local grid (a child model) within a coarser-grid parent model. LGR accomplishes...
Chapter 1. Determination of elements in natural-water, biota, sediment, and soil samples using collision/reaction cell inductively coupled plasma-mass spectrometry
John R. Garbarino, Leslie K. Kanagy, Mark E. Cree
2006, Techniques and Methods 5-B1
No abstract available....
Geochemistry of mine waste and mill tailings, meadow deposits, and stream bed sediment and the general hydrology and water quality of the Frohner Meadows area, Upper Lump Gulch, Jefferson County, Montana
Terry L. Klein, Michael R. Cannon, David L. Fey
2006, Scientific Investigations Report 2005-5265
No abstract available....
Special issue: Terrestrial fluids, earthquakes and volcanoes: The Hiroshi Wakita volume I
Nemesio M. Perez, Chi-Yu King, Sergio Gurrieri, Kenneth A. McGee, editor(s)
2006, Pure and Applied Geophysics (163) 629-914
Terrestrial Fluids, Earthquakes and Volcanoes: The Hiroshi Wakita Volume I is a special publication to honor Professor Hiroshi Wakita for his scientific contributions. This volume consists of 17 original papers dealing with various aspects of the role of terrestrial fluids in earthquake and volcanic processes,...
Response to comment on "Accumulation of contaminants in fish from wastewater treatment wetlands"
Larry B. Barber, Steffanie H. Keefe, Ronald C. Antweiler, Howard E. Taylor, Roland D. Wass
2006, Environmental Science & Technology (40) 3438-3439
No abstract available....
Lessons learned from the U.S. Geological Survey abandoned mine lands initiative: 1997-2002
Briant A. Kimball, Stan E. Church, John M. Besser
2006, Conference Paper
Growth of the United States has been facilitated, in part, by hard-rock mining in the Rocky Mountains. Abandoned and inactive mines cause many significant environmental concerns in hundreds of watersheds. Those who have responsibility to address these environmental concerns must have a basic level of scientific information about mining and...
