Comparison of no-purge and pumped sampling methods for monitoring concentrations of ordnance-related compounds in groundwater, Camp Edwards, Massachusetts Military Reservation, Cape Cod, Massachusetts, 2009-2010
Jennifer G. Savoie, Denis R. LeBlanc
2012, Scientific Investigations Report 2012-5084
Field tests were conducted near the Impact Area at Camp Edwards on the Massachusetts Military Reservation, Cape Cod, Massachusetts, to determine the utility of no-purge groundwater sampling for monitoring concentrations of ordnance-related explosive compounds and perchlorate in the sand and gravel aquifer. The no-purge methods included (1) a diffusion sampler...
Assessment of soil-gas contamination at building 310 underground storage tank area, Fort Gordon, Georgia, 2010-2011
Wladmir B. Guimaraes, W. Fred Falls, Andral W. Caldwell, W. Hagan Ratliff, John B. Wellborn, James Landmeyer
2012, Open-File Report 2012-1136
Soil gas was assessed for contaminants in the building 310 underground storage tank area adjacent to the Dwight D. Eisenhower Army Medical Center at Ft. Gordon, Georgia, from October 2010 to September 2011. The assessment, which also included the detection of organic compounds in soil gas, provides environmental contamination data...
A benthic-macroinvertebrate index of biotic integrity and assessment of conditions in selected streams in Chester County, Pennsylvania, 1998-2009
Andrew G. Reif
2012, Scientific Investigations Report 2012-5116
The Stream Conditions of Chester County Biological Monitoring Network (Network) was established by the U.S. Geological Survey and the Chester County Water Resources Authority in 1969. Chester County encompasses 760 square miles in southeastern Pennsylvania and has a rapidly expanding population. Land-use change has occurred in response to this continual...
Analysis of trends in selected streamflow statistics for the Concho River Basin, Texas, 1916-2009
Dana L. Barbie, Loren L. Wehmeyer, Jayne E. May
2012, Scientific Investigations Report 2012-5193
The Concho River Basin is part of the upper Colorado River Basin in west-central Texas. Monotonic trends in streamflow statistics during various time intervals from 1916-2009 were analyzed to determine whether substantial changes in selected streamflow statistics have occurred within the Concho River Basin. Two types of U.S. Geological Survey...
Streamflow gain and loss and water quality in the upper Nueces River Basin, south-central Texas, 2008-10
J. Ryan Banta, Rebecca B. Lambert, Richard N. Slattery, Darwin J. Ockerman
2012, Scientific Investigations Report 2012-5181
The U.S. Geological Survey-in cooperation with the U.S. Army Corps of Engineers, The Nature Conservancy, the Real Edwards Conservation and Reclamation District, and the Texas Parks and Wildlife Department-investigated streamflow gain and loss and water quality in the upper Nueces River Basin, south-central Texas, specifically in the watersheds of the...
Groundwater data for selected wells within the Eastern San Joaquin Groundwater Subbasin, California, 2003-8
Dennis A. Clark, John A. Izbicki, Loren F. Metzger, Rhett R. Everett, Gregory A. Smith, David R. O’Leary, Nicholas F. Teague, Matthew K. Burgess
2012, Data Series 696
Data were collected by the U.S. Geological Survey from 2003 through 2008 in the Eastern San Joaquin Groundwater Subbasin, 80 miles east of San Francisco, California, as part of a study of the increasing chloride concentrations in groundwater processes. Data collected include geologic, geophysical, chemical, and hydrologic data collected during...
Helicopter electromagnetic survey of the Model Land Area, Southeastern Miami-Dade County, Florida
David V. Fitterman, Maria Deszcz-Pan, Scott T. Prinos
2012, Open-File Report 2012-1176
This report describes a helicopter electromagnetic survey flown over the Model Land Area in southeastern Miami-Dade County, Florida, to map saltwater intrusion in the Biscayne aquifer. The survey, which is located south and east of Florida City, Florida, covers an area of 115 square kilometers with a flight-line spacing of...
Development of a flood-warning system and flood-inundation mapping in Licking County, Ohio
Chad J. Ostheimer
2012, Scientific Investigations Report 2012-5137
Digital flood-inundation maps for selected reaches of South Fork Licking River, Raccoon Creek, North Fork Licking River, and the Licking River in Licking County, Ohio, were created by the U.S. Geological Survey (USGS), in cooperation with the Ohio Department of Transportation; U.S. Department of Transportation, Federal Highway Administration; Muskingum Watershed...
Comparison of streamflow and water-quality data collection techniques for the Saginaw River, Michigan
C. J. Hoard, D. J. Holtschlag, J.W. Duris, D.A. James, D.J. Obenauer
2012, Scientific Investigations Report 2012-5150
In 2009, the Michigan Department of Environmental Quality and the U.S. Geological Survey developed a plan to compare the effect of various streamgaging and water-quality collection techniques on streamflow and stream water-quality data for the Saginaw River, Michigan. The Saginaw River is the primary contributor of surface runoff to Saginaw...
Survival and migration route probabilities of juvenile Chinook salmon in the Sacramento-San Joaquin River Delta during the winter of 2009-10
Russell W. Perry, Jason G. Romine, Scott J. Brewer, Peter E. LaCivita, William N. Brostoff, Eric D. Chapman
2012, Open-File Report 2012-1200
Juvenile Chinook salmon (Oncorhynchus tshawytscha) emigrating from natal tributaries of the Sacramento River may use a number of migration routes to negotiate the Sacramento-San Joaquin River Delta (hereafter, "the Delta"), each of which may influence their probability of surviving. We applied a mark-recapture model to data from acoustically tagged juvenile...
Groundwater flow and water budget in the surficial and Floridan aquifer systems in east-central Florida
Nicasio Sepulveda, Claire R. Tiedeman, Andrew M. O’Reilly, Jeffrey B. Davis, Patrick Burger
2012, Scientific Investigations Report 2012-5161
A numerical transient model of the surficial and Floridan aquifer systems in east-central Florida was developed to (1) increase the understanding of water exchanges between the surficial and the Floridan aquifer systems, (2) assess the recharge rates to the surficial aquifer system from infiltration through the unsaturated zone and (3)...
Groundwater, surface-water, and water-chemistry data, Black Mesa area, northeastern Arizona - 2010-2011
Jamie P. Macy, Christopher R. Brown, Jessica R. Anderson
2012, Open-File Report 2012-1102
The Navajo (N) aquifer is an extensive aquifer and the primary source of groundwater in the 5,400-square-mile Black Mesa area in northeastern Arizona. Availability of water is an important issue in northeastern Arizona because of continued water requirements for industrial and municipal use by a growing population and because of...
Estimated probability of postwildfire debris flows in the 2012 Whitewater-Baldy Fire burn area, southwestern New Mexico
Anne C. Tillery, Anne Marie Matherne, Kristine L. Verdin
2012, Open-File Report 2012-1188
In May and June 2012, the Whitewater-Baldy Fire burned approximately 1,200 square kilometers (300,000 acres) of the Gila National Forest, in southwestern New Mexico. The burned landscape is now at risk of damage from postwildfire erosion, such as that caused by debris flows and flash floods. This report presents a...
Origin and characteristics of discharge at San Marcos Springs based on hydrologic and geochemical data (2008-10), Bexar, Comal, and Hays Counties, Texas
MaryLynn Musgrove, Cassi L. Crow
2012, Scientific Investigations Report 2012-5126
The Edwards aquifer in south-central Texas is a productive and important water resource. Several large springs issuing from the aquifer are major discharge points, popular locations for recreational activities, and habitat for threatened and endangered species. Discharges from Comal and San Marcos Springs, the first and second largest spring complexes...
Streamflow of 2011 - Water Year Summary
Xiaodong Jian, David M. Wolock, Harry F. Lins, Steve Brady
2012, Fact Sheet 2012-3085
The maps and graph in this summary describe streamflow conditions for water year 2011 (October 1, 2010, to September 30, 2011) in the context of the 82-year period from 1930 through 2011, unless otherwise noted. The illustrations are based on observed data from the U.S. Geological Survey's (USGS) National Streamflow...
Hydrogeology of the stratified-drift aquifers in the Cayuta Creek and Catatonk Creek valleys in parts of Tompkins, Schuyler, Chemung, and Tioga Counties, New York
Todd S. Miller, Lacey M. Pitman
2012, Scientific Investigations Report 2012-5127
The surficial deposits, areal extent of aquifers, and the water-table configurations of the stratified-drift aquifer systems in the Cayuta Creek and Catatonk Creek valleys and their large tributary valleys in Tompkins, Schuyler, Chemung, and Tioga Counties, New York were mapped in 2009, in cooperation with the New York State Department...
A science plan for a comprehensive assessment of water supply in the region underlain by fractured rock in Maryland
Brandon J. Fleming, Patrick A. Hammond, Scott A. Stranko, Mark T. Duigon, Saeid Kasraei
2012, Scientific Investigations Report 2012-5160
The fractured rock region of Maryland, which includes land areas north and west of the Interstate 95 corridor, is the source of water supply for approximately 4.4 million Marylanders, or approximately 76 percent of the State's population. Whereas hundreds of thousands of residents rely on wells (both domestic and community),...
Variability in stream chemistry in relation to urban development and biological condition in seven metropolitan areas of the United States, 1999-2004
Karen M. Beaulieu, Amanda H. Bell, James F. Coles
2012, Scientific Investigations Report 2012-5170
Beginning in 1999, the U.S. Geological Survey National Water Quality Assessment Program investigated the effects of urban development on stream ecosystems in nine metropolitan study areas across the United States. In seven of these study areas, stream-chemistry samples were collected every other month for 1 year at 6 to 10...
Estimating basin lagtime and hydrograph-timing indexes used to characterize stormflows for runoff-quality analysis
Gregory E. Granato
2012, Scientific Investigations Report 2012-5110
A nationwide study to better define triangular-hydrograph statistics for use with runoff-quality and flood-flow studies was done by the U.S. Geological Survey (USGS) in cooperation with the Federal Highway Administration. Although the triangular hydrograph is a simple linear approximation, the cumulative distribution of stormflow with a triangular hydrograph is a...
Estimation of natural historical flows for the Manitowish River near Manitowish Waters, Wisconsin
Paul F. Juckem, Paul C. Reneau, Dale M. Robertson
2012, Scientific Investigations Report 2012-5135
The Wisconsin Department of Natural Resources is charged with oversight of dam operations throughout Wisconsin and is considering modifications to the operating orders for the Rest Lake Dam in Vilas County, Wisconsin. State law requires that the operation orders be tied to natural low flows at the dam. Because the...
Sediment loads in the Red River of the North and selected tributaries near Fargo, North Dakota, 2010--2011
Joel M. Galloway, Rochelle A. Nustad
2012, Scientific Investigations Report 2012-5111
Natural-resource agencies are concerned about possible geomorphic effects of a proposed diversion project to reduce the flood risk in the Fargo-Moorhead metropolitan area. The U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers collected data in the spring of 2010 and 2011, and from June to November...
Flood-inundation maps for Sweetwater Creek from above the confluence of Powder Springs Creek to the Interstate 20 bridge, Cobb and Douglas Counties, Georgia
Jonathan W. Musser
2012, Scientific Investigations Map 3220
Digital flood-inundation maps for a 10.5-mile reach of Sweetwater Creek, from about 1,800 feet above the confluence of Powder Springs Creek to about 160 feet below the Interstate 20 bridge, were developed by the U.S. Geological Survey (USGS) in cooperation with Cobb County, Georgia. The inundation maps, which can be...
A multiple-point geostatistical method for characterizing uncertainty of subsurface alluvial units and its effects on flow and transport
C. Cronkite-Ratcliff, G. A. Phelps, A. Boucher
2012, Open-File Report 2012-1065
This report provides a proof-of-concept to demonstrate the potential application of multiple-point geostatistics for characterizing geologic heterogeneity and its effect on flow and transport simulation. The study presented in this report is the result of collaboration between the U.S. Geological Survey (USGS) and Stanford University. This collaboration focused on improving...
Estimates of tracer-based piston-flow ages of groundwater from selected sites: National Water-Quality Assessment Program, 2006-2010
Stephanie D. Shapiro, Niel Plummer, Eurybiades Busenberg, Peggy K. Widman, Gerolamo C. Casile, Julian E. Wayland, Donna L. Runkle
2012, Scientific Investigations Report 2012-5141
Piston-flow age dates were interpreted from measured concentrations of environmental tracers from 812 National Water-Quality Assessment (NAWQA) Program groundwater sites from 27 Study Units across the United States. The tracers of interest include chlorofluorocarbons (CFCs), sulfur hexafluoride (SF6), and tritium/helium-3 (3H/3He). Tracer data compiled for this analysis were collected from...
Topographic change detection at select archeological sites in Grand Canyon National Park, Arizona, 2007-2010
Brian D. Collins, Skye C. Corbett, Helen C. Fairley, Diane L. Minasian, Robert Kayen, Timothy P. Dealy, David R. Bedford
2012, Scientific Investigations Report 2012-5133
Human occupation in Grand Canyon, Arizona, dates from at least 11,000 years before present to the modern era. For most of this period, the only evidence of human occupation in this iconic landscape is provided by archeological sites. Because of the dynamic nature of this environment, many archeological sites are...
