Geophysical data collected from the St. Clair River between Michigan and Ontario, Canada (2008-016-FA)
Jane F. Denny, D.S. Foster, C.R. Worley, Barry J. Irwin
2011, Open-File Report 2010-1035
In 2008, the U.S. Geological Survey (USGS), Woods Hole Coastal and Marine Science Center (WHCMSC), in cooperation with the U.S. Army Corps of Engineers conducted a geophysical and sampling survey of the riverbed of the Upper St. Clair River between Port Huron, Mich., and Sarnia, Ontario, Canada. The objectives were...
Libraries program
2011, General Information Product 125
The U.S. Congress authorized a library for the U.S. Geological Survey (USGS) in 1879. The library was formally established in 1882 with the naming of the first librarian and began with a staff of three and a collection of 1,400 books. Today, the USGS Libraries Program is one of the world's...
Historical bathymetry and bathymetric change in the Mississippi-Alabama coastal region, 1847-2009
Noreen A. Buster, Robert A. Morton
2011, Scientific Investigations Map 3154
Land loss and seafloor change around the Mississippi and Alabama (MS-AL) barrier islands are of great concern to the public and to local, state, and federal agencies. The islands provide wildlife protected areas and recreational land, and they serve as a natural first line of defense for the mainland against...
Assessment of soil-gas and soil contamination at the Old Metal Workshop Hog Farm Area, Fort Gordon, Georgia, 2009-2010
Andral W. Caldwell, W. Fred Falls, Wladmir B. Guimaraes, W. Hagan Ratliff, John B. Wellborn, James Landmeyer
2011, Open-File Report 2011-1080
Soil gas and soil were assessed for contaminants at the Old Metal Workshop Hog Farm Area at Fort Gordon, Georgia, from October 2009 to September 2010. The assessment included delineating organic contaminants present in soil-gas and inorganic contaminants present in soil samples collected from the area estimated to be the...
Trace element, semivolatile organic, and chlorinated organic compound concentrations in bed sediments of selected streams at Fort Gordon, Georgia, February-April 2010
Lashun K. Thomas, Celeste A. Journey, Whitney J. Stringfield, Jimmy M. Clark, Paul M. Bradley, John B. Wellborn, Hagan Ratliff, Thomas A. Abrahamsen
2011, Open-File Report 2011-1067
A spatial survey of streams was conducted from February to April 2010 to assess the concentrations of major ions, selected trace elements, semivolatile organic compounds, organochlorine pesticides, and polychlorinated biphenyls associated with the bed sediments of surface waters at Fort Gordon military installation near Augusta, Georgia. This investigation expanded a...
Archive of Digital Boomer Sub-bottom Data Collected During USGS Field Activities 97LCA01, 97LCA02, and 97LCA03, West-Central and East Coast Florida, February through July 1997
Arnell S. Forde, Shawn V. Dadisman, Patricia A. Metz, Ann B. Tihansky, Jeffrey B. Davis, Dana S. Wiese
2011, Data Series 582
From February through July of 1997, the U.S. Geological Survey (USGS) conducted geophysical surveys of several Florida water bodies as part of the USGS Lakes and Coastal Aquifers (LCA) study. These areas include Lakes Dosson, Halfmoon and Round in west-central Florida and Sebastian Inlet and Indian River Lagoon on the...
Exploring sensitivity of a multistate occupancy model to inform management decisions
A.W. Green, L.L. Bailey, J.D. Nichols
2011, Journal of Applied Ecology (48) 1007-1016
1. Dynamic occupancy models are often used to investigate questions regarding the processes that influence patch occupancy and are prominent in the fields of population and community ecology and conservation biology. Recently, multistate occupancy models have been developed to investigate dynamic systems involving more than one occupied state, including reproductive states,...
Flow speed estimated by inverse modeling of sandy sediment deposited by the 29 September 2009 tsunami near Satitoa, east Upolu, Samoa
Bruce E. Jaffe, Mark Buckley, Bruce M. Richmond, Luke Strotz, Samuel Etienne, Kate Clark, Steve Watt, Guy R. Gelfenbaum, James Goff
2011, Earth-Science Reviews (107) 23-37
Sandy deposits from the 29 September 2009 tsunami on the east coast of Upolu, Samoa were investigated to document their characteristics and used to apply an inverse sediment transport model to estimate tsunami flow speed. Sandy deposits 6 to 15 cm thick formed from ~ 25 to ~ 250 m inland. Sedimentary layers in...
Rocky Mountain snowpack physical and chemical data for selected sites, 2010
George P. Ingersoll, M. Alisa Mast, James M. Swank, Chelsea D. Campbell
2011, Data Series 570
The Rocky Mountain Snowpack program established a network of snowpack-sampling sites in the Rocky Mountain region, from New Mexico to Montana, to monitor the chemical content of snow and to understand the effects of regional atmospheric deposition on freshwater systems. Scientists with the U.S. Geological Survey, in cooperation with the...
Assessment of nutrient enrichment by use of algal-, invertebrate-, and fish-community attributes in wadeable streams in ecoregions surrounding the Great Lakes
Jeffrey W. Frey, Amanda H. Bell, Julie A. Hambrook Berkman, David L. Lorenz
2011, Scientific Investigations Report 2011-5009
The algal, invertebrate, and fish taxa and community attributes that best reflect the effects of nutrients along a gradient of low to high nutrient concentrations in wadeable, primarily midwestern streams were determined as part of the U.S. Geological Suvey's National Water-Quality Assessment (NAWQA) Program. Nutrient data collected from 64 sampling...
Geomorphic Classification and Evaluation of Channel Width and Emergent Sandbar Habitat Relations on the Lower Platte River, Nebraska
Caroline M. Elliott
2011, Scientific Investigations Report 2011-5028
This report presents a summary of geomorphic characteristics extracted from aerial imagery for three broad segments of the Lower Platte River. This report includes a summary of the longitudinal multivariate classification in Elliott and others (2009) and presents a new analysis of total channel width and habitat variables. Three segments...
Developing climate data records and essential climate variables from landsat data
John Dwyer, Thomas P. Dinardo, Douglas M. Muchoney
2011, Conference Paper, 34th International Symposium on Remote Sensing of Environment: the GEOSS era : towards operational environmental monitoring : April 10-15, 2011, Sydney, Australia : proceedings.
The series of Landsat missions has compiled the longest record of satellite observation of the Earth’s land surface, extending for more than 38 years for most areas of the globe. Landsat data are particularly important as long term climate data records because the scale of observation is sufficient to differentiate...
Regression models of ecological streamflow characteristics in the Cumberland and Tennessee River Valleys
Rodney R. Knight, W. Scott Gain, William J. Wolfe
2011, Conference Paper, Proceedings from the 21st Tennessee American Water Resources Symposium
Predictive equations were developed using stepbackward regression for 19 ecologically relevant streamflow characteristics grouped in five major classes (magnitude, ratio, frequency, variability, and date) for use in the Tennessee and Cumberland River watersheds. Basin characteristics explain 50 percent or more of the variation for 10 of the 19 equations. Independent...
Enhanced Late Holocene ENSO/PDO expression along the margins of the eastern North Pacific
John A. Barron, Lesleigh Anderson
2011, Quaternary International (235) 3-12
Pacific climate is known to have varied during the Holocene, but spatial patterns remain poorly defined. This paper compiles terrestrial and marine proxy data from sites along the northeastern Pacific margins and proposes that they indicate 1) suppressed ENSO conditions during the middle Holocene between ∼8000 and 4000 cal BP with...
Benthic habitat classification in Lignumvitae Key Basin, Florida Bay, using the U.S. Geological Survey Along-Track Reef Imaging System (ATRIS)
C. D. Reich, D.G. Zawada, P.R. Thompson, C.E. Reynolds, A.H. Spear, D.K. Umberger, R.Z. Poore
2011, Open-File Report 2011-1066
The Comprehensive Everglades Restoration Plan (CERP) funded in partnership between the U.S. Army Corps of Engineers, South Florida Water Management District, and other Federal, local and Tribal members has in its mandate a guideline to protect and restore freshwater flows to coastal environments to pre-1940s conditions (CERP, 1999). Historic salinity...
Sources and physical processes responsible for OH/H2O in the lunarsoil as revealed by the Moon Mineralogy Mapper (M3)
T. B. McCord, L.A. Taylor, J. #NAME? Combe, G. Kramer, C.M. Pieters, J.M. Sunshine, R. N. Clark
2011, Journal of Geophysical Research E: Planets (116) 1-22
Analysis of two absorption features near 3 μm in the lunar reflectance spectrum, observed by the orbiting M3 spectrometer and interpreted as being due to OH and H2O, is presented, and the results are used to discuss the processes producing these molecules. This analysis focuses on the dependence of the absorptions on...
A study of topics for distance education-A survey of U.S. Fish and Wildlife Service employees
Joan M. Ratz, Rudy M. Schuster, Ann H. Marcy
2011, Open-File Report 2011-1075
The purpose of this study was to identify training topics and distance education technologies preferred by U.S. Fish and Wildlife Service employees. This study was conducted on behalf of the National Conservation Training Center to support their distance education strategy planning and implementation. When selecting survey recipients, we focused on...
The Yukon River Basin Active Layer Network: A cooperative project between the Yukon River Inter-Tribal Watershed Council and the U.S. Geological Survey
Paul F. Schuster, Carol Thomas, Karonhiakta'tie Bryan Maracle
2011, Fact Sheet 2011-3040
Fossil locations and data for the Taylor Mountains, and parts of the Bethel, Goodnews, and Dillingham quadrangles, southwestern Alaska
Susan M. Karl, R. B. Blodgett, Keith A. Labay, S. E. Box, D. C. Bradley, Marti L. Miller, W. K. Wallace, J.F. Baichtal
2011, Open-File Report 2011-1065
Information about fossils collected by U.S. Geological Survey, State of Alaska, academic, and industry geologists that have been reported in literature or archived in reports from the former U.S. Geological Survey Branch of Paleontology and Stratigraphy are compiled on a plate and table in this report to provide comprehensive paleontologic...
Forecast Mekong: navigating changing waters
Janine Powell
2011, General Information Product 126
The U.S. Geological Survey (USGS) is using research and data from the Mekong River Delta in Southeast Asia to compare restoration, conservation, and management efforts there with those done in other major river deltas, such as the Mississippi River Delta in the United States. The project provides a forum to...
Quest for water in coastal Georgia: assessment of alternative water sources at Hunter Army Airfield, Chatham County, Georgia
John S. Clarke
2011, Conference Paper, Proceedings of the 2011 Georgia Water Resources Conference
To meet growing demands for water in the coastal Georgia area, the U.S. Geological Survey, in cooperation with the U.S. Department of the Army, conducted detailed site investigations and modeling studies at Hunter Army Airfield to assess the water-bearing potential of ponds and wells completed in the Lower Floridan aquifer....
Regional groundwater-flow model of the Redwall-Muav, Coconino, and alluvial basin aquifer systems of northern and central Arizona
D. R. Pool, Kyle W. Blasch, James B. Callegary, Stanley A. Leake, Leslie F. Graser
2011, Scientific Investigations Report 2010-5180
A numerical flow model (MODFLOW) of the groundwater flow system in the primary aquifers in northern Arizona was developed to simulate interactions between the aquifers, perennial streams, and springs for predevelopment and transient conditions during 1910 through 2005. Simulated aquifers include the Redwall-Muav, Coconino, and basin-fill aquifers. Perennial stream reaches...
Summary of hydrologic testing of the Floridan aquifer system at Fort Stewart, coastal Georgia, 2009-2010
Gerald J. Gonthier
2011, Conference Paper, Proceedings of the 2011 Georgia Water Resources Conference
Two test wells were completed at Fort Stewart, coastal Georgia, to investigate the potential for using the Lower Floridan aquifer as a source of water to satisfy anticipated, increased water needs. The U.S. Geological Survey, in cooperation with the U.S. Department of the Army, completed hydrologic testing of the Floridan...
Wyoming groundwater-quality monitoring network
Gregory K. Boughton
2011, Fact Sheet 2011-3041
A wide variety of human activities have the potential to contaminate groundwater. In addition, naturally occurring constituents can limit the suitability of groundwater for some uses. The State of Wyoming has established rules and programs to evaluate and protect groundwater quality based on identified uses. The Wyoming Groundwater-Quality Monitoring Network...
Geophysical logging data from the Mills Gap Road area near Asheville, North Carolina
Melinda J. Chapman, Brad A. Huffman
2011, Data Series 538
In September 2009, the U.S. Geological Survey (USGS) was requested to assist the Environmental Protection Agency (EPA) Region 4 Superfund Section in the development of a conceptual groundwater flow model in the area of the Mills Gap Road contaminant investigation near Asheville, North Carolina (Site ID A4P5) through an Interagency...