USGS Streamgages Linked to the Medium Resolution NHD
David W. Stewart, Alan Rea, David M. Wolock
2006, Data Series 195
The locations of approximately 23,000 current and historical U.S. Geological Survey (USGS) streamgages in the United States and Puerto Rico (with the exception of Alaska) have been snapped to the medium resolution National Hydrography Dataset (NHD). The NHD contains geospatial information about mapped surface-water features, such as streams, lakes,...
Percentage of Probability of Nonpoint-Source Nitrate Contamination of Recently Recharged Ground Water in the High Plains Aquifer
Sharon L. Qi, Jason J. Gurdak
2006, Data Series 192
This raster data set represents the percentage of probability of nonpoint-source nitrate contamination (greater than the proposed background concentration of 4 milligrams per liter (mg/L) as N) of recently (defined as less than 50 years) recharged ground water in the High Plains aquifer of the United States. The High Plains...
Archive of digital boomer and chirp seismic reflection data collected during USGS Cruise 04SCC01 in Terrebonne, Timbalier, and Barataria Bays and Lake Pelto, Louisiana, June and July 2004
Karynna Calderon
2006, Data Series 237
No abstract available....
Archive of digital boomer and chirp seismic reflection data collected during USGS Cruise 03SCC03 in Lake Pelto and Timbalier and Terrebonne Bays, Louisiana, September 2003
Karynna Calderon
2006, Data Series 238
No abstract available....
Geologic Map of the Big Spring Quadrangle, Carter County, Missouri
David J. Weary, Robert C. McDowell
2006, Scientific Investigations Map 2804
The bedrock exposed in the Big Spring quadrangle of Missouri comprises Late Cambrian and Early Ordovician aged dolomite, sandstone, and chert. The sedimentary rocks are nearly flat lying except where they are adjacent to faults. The carbonate rocks are karstified, and the area contains numerous sinkholes, springs, caves, and losing...
Surficial sediment character of the Louisiana offshore continental shelf region: A GIS compilation
S. Jeffress Williams, Matthew A. Arsenault, Brian J. Buczkowski, Jane A. Reid, James Flocks, Mark A. Kulp, Shea Penland, Chris J. Jenkins
2006, Open-File Report 2006-1195
The Louisiana coastal zone, comprising the Mississippi River delta plain stretching nearly 400 km from Sabine Pass at the Texas border east to the Chandeleur Islands at the Mississippi border, represents one of North America’s most important coastal ecosystems in terms of natural resources, human infrastructure, and cultural heritage. At...
Water-resources data for the United States: water year 2006
Water Resources Division, U.S. Geological Survey
2006, Water Data Report 2006
Water resources data are published annually for use by engineers, scientists, managers, educators, and the general public. These archival products supplement direct access to current and historical water data provided by NWISWeb. Beginning with Water Year 2006, annual water data reports are available as individual electronic Site Data Sheets for...
Methods for Adjusting U.S. Geological Survey Rural Regression Peak Discharges in an Urban Setting
Glenn E. Moglen, Dorianne E. Shivers
2006, Scientific Investigations Report 2006-5270
A study was conducted of 78 U.S. Geological Survey gaged streams that have been subjected to varying degrees of urbanization over the last three decades. Flood-frequency analysis coupled with nonlinear regression techniques were used to generate a set of equations for converting peak discharge estimates determined from rural regression equations...
Organic Compounds, Trace Elements, Suspended Sediment, and Field Characteristics at the Heads-of-Tide of the Raritan, Passaic, Hackensack, Rahway, and Elizabeth Rivers, New Jersey, 2000-03
Jennifer L. Bonin, Timothy P. Wilson
2006, Data Series 123
Concentrations of suspended sediment, particulate and dissolved organic carbon, trace elements, and organic compounds were measured in samples from the heads-of-tide of the five tributaries to the Newark and Raritan Bays during June 2000 to June 2003. The samples were collected as part of the New Jersey Department of Environmental...
Organic Compounds and Trace Elements in Fish Tissue and Bed Sediment in the Delaware River Basin, New Jersey, Pennsylvania, New York, and Delaware, 1998-2000
Kristin M. Romanok, Jeffrey M. Fischer, Karen Riva-Murray, Robin Brightbill, Michael Bilger
2006, Scientific Investigations Report 2006-5150
As part of the National Water-Quality Assessment (NAWQA) program activities in the Delaware River Basin (DELR), samples of fish tissue from 21 sites and samples of bed sediment from 35 sites were analyzed for a suite of organic compounds and trace elements. The sampling sites, within subbasins ranging in size...
Quantifying the Components of Impervious Surfaces
Janet S. Tilley, E. Terrence Slonecker
2006, Open-File Report 2007-1008
This study's objectives were to (1) determine the relative contribution of impervious surface individual components by collecting digital information from high-resolution imagery, 1-meter or better; and to (2) determine which of the more advanced techniques, such as spectral unmixing or the application of coefficients to land use or land cover...
Analysis of the Magnitude and Frequency of Peak Discharges for the Navajo Nation in Arizona, Utah, Colorado, and New Mexico
Scott D. Waltemeyer
2006, Scientific Investigations Report 2006-5306
Estimates of the magnitude and frequency of peak discharges are necessary for the reliable flood-hazard mapping in the Navajo Nation in Arizona, Utah, Colorado, and New Mexico. The Bureau of Indian Affairs, U.S. Army Corps of Engineers, and Navajo Nation requested that the U.S. Geological Survey update estimates of peak...
Report of the River Master of the Delaware River for the period December 1, 2001 - November 30, 2002
Bruce E. Krejmas, Gary N. Paulachok, William J. Carswell Jr.
2006, Open-File Report 2006-1220
A Decree of the United States Supreme Court in 1954 established the position of Delaware River Master within the U.S. Geological Survey. In addition, the Decree authorizes diversions of water from the Delaware River Basin and requires compensating releases from certain reservoirs, owned by New York City, to be made...
Magnitude and Frequency of Floods in New York
Richard Lumia, Douglas A. Freehafer, Martyn J. Smith
2006, Scientific Investigations Report 2006-5112
Techniques are presented for estimating the magnitude and frequency of flood discharges on rural, unregulated streams in New York, excluding Long Island. Peak-discharge-frequency data and basin characteristics from 388 streamflow-gaging stations in New York and adjacent states were used to develop multiple linear regression equations for flood discharges with recurrence...
Hydrogeology of the Lloyd aquifer on Long Island, New York— A brief summary of USGS investigations
Anthony Chu
2006, Open-File Report 2006-1341
The four counties of Long Island (fig. 1) are underlain by a wedge-shaped sequence of unconsolidated deposits of Late Cretaceous and Pleistocene age that lie unconformably on crystalline bedrock (fig. 2). A saprolitic (weathered bedrock) zone 20 to 100 ft thick overlies the bedrock in most areas. The sequence of...
Drainage Areas of Selected Streams in Virginia
Donald C. Hayes, Ute Wiegand
2006, Open-File Report 2006-1308
Drainage areas were determined for more than 1,600 basins in the three major river basins of Virginia -- the North Atlantic Slope, South Atlantic Slope, and Ohio River Basins. Drainage areas range from 0.004 square mile to 7,866 square miles. A geographic information system was used to digitize and store...
GP Workbench Manual: Technical Manual, User's Guide, and Software Guide
Charles P. Oden, Craig W. Moulton
2006, Open-File Report 2006-1365
GP Workbench is an open-source general-purpose geophysical data processing software package written primarily for ground penetrating radar (GPR) data. It also includes support for several USGS prototype electromagnetic instruments such as the VETEM and ALLTEM. The two main programs in the package are GP Workbench and GP Wave Utilities. GP...
JUPITER: Joint Universal Parameter IdenTification and Evaluation of Reliability - An Application Programming Interface (API) for Model Analysis
Edward R. Banta, Eileen P. Poeter, John E. Doherty, Mary C. Hill, editor(s)
2006, Techniques and Methods 6-E1
he Joint Universal Parameter IdenTification and Evaluation of Reliability Application Programming Interface (JUPITER API) improves the computer programming resources available to those developing applications (computer programs) for model analysis.The JUPITER API consists of eleven Fortran-90 modules that provide for encapsulation of data and operations on that data. Each module contains...
The Response of Suspended Sediment, Turbidity, and Velocity to Historical Alterations of the Missouri River
Dale W. Blevins
2006, Circular 1301
The heavy sediment load and large amounts of floating debris generated by the constantly caving banks of the Missouri River was documented in the first written description of the river by Father Jacques Marquette in 1673 as he approached the mouth of the Missouri River from the upper Mississippi River:...
The Cerrillos Uplift, the La Bajada Constriction, and Hydrogeologic Framework of the Santo Domingo Basin, Rio Grande Rift, New Mexico
Scott A. Minor, editor(s)
2006, Professional Paper 1720
The geologic, geophysical, and hydrogeologic properties of the La Bajada constriction and Santo Domingo Basin, northern New Mexico, result from tectonic and volcanic processes of the late Tertiary and Quaternary Rio Grande rift. An integrated geologic and geophysical assessment in the La Bajada constriction allows development of a geologic...
Occurrence of Pharmaceuticals in Shallow Ground-Water of Suffolk County, New York, 2002-05
Mark J. Benotti, Shawn Fisher, Stephen Terracciano
2006, Open-File Report 2006-1297
Seventy (70) water samples were collected from 61 wells in the upper glacial and Magothy aquifers (9 wells were sampled twice) during 2002-05 and analyzed for 24 pharmaceuticals. Wells were selected for their proximity to known wastewater-treatment facilities that discharge to the shallow upper glacial aquifer. Pharmaceuticals were detected in...
Spatial data for Eurycea salamander habitats associated With three aquifers in south-central Texas
Franklin T. Heitmuller, Brian D. Reece
2006, Data Series 243
Eurycea salamander taxa comprise 12 known species that inhabit springs and caves in south-central Texas. Many of these are threatened or endangered species, and some are found only at one location. A number of the neotenic salamanders might be at risk from habitat loss associated with declines in ground-water levels....
Modeling the Effects of Fire Frequency and Severity on Forests in the Northwestern United States
Richard T. Busing, Allen M. Solomon
2006, Scientific Investigations Report 2006-5061
This study used a model of forest dynamics (FORCLIM) and actual forest survey data to demonstrate the effects of various fire regimes on different forest types in the Pacific Northwest. We examined forests in eight ecoregions ranging from wet coastal forests dominated by Pseudotsuga menziesii and other tall conifers to...
Factors Affecting Firm Yield and the Estimation of Firm Yield for Selected Streamflow-Dominated Drinking-Water-Supply Reservoirs in Massachusetts
Marcus C. Waldron, Stacey A. Archfield
2006, Scientific Investigations Report 2006-5044
Factors affecting reservoir firm yield, as determined by application of the Massachusetts Department of Environmental Protection's Firm Yield Estimator (FYE) model, were evaluated, modified, and tested on 46 streamflow-dominated reservoirs representing 15 Massachusetts drinking-water supplies. The model uses a mass-balance approach to determine the maximum average daily withdrawal rate that...
The Interface Between Theory and Data in Structural Equation Models
James B. Grace, Kenneth A. Bollen
2006, Open-File Report 2006-1363
Structural equation modeling (SEM) holds the promise of providing natural scientists the capacity to evaluate complex multivariate hypotheses about ecological systems. Building on its predecessors, path analysis and factor analysis, SEM allows for the incorporation of both observed and unobserved (latent) variables into theoretically based probabilistic models. In this paper...
