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Determination of the δ15N and δ18O of nitrate in solids; RSIL lab code 2897
Tyler B. Coplen, Haiping Qi, Kinga Revesz, Karen Casciotti, Janet E. Hannon
2007, Techniques and Methods 10-C14
The purpose of the Reston Stable Isotope Laboratory (RSIL) lab code 2897 is to determine the δ15N and δ18O of nitrate (NO3-) in solids. The NO3- fraction of the nitrogen species is dissolved by water (called leaching) and can be analyzed by the bacterial method covered in RSIL lab code...
Amplitude Variation of Bottom Simulating Reflection with Respect to Frequency - Transitional Base or Attenuation?
Myung W. Lee
2007, Scientific Investigations Report 2007-5091
The amplitude of a bottom simulating reflection (BSR), which occurs near the phase boundary between gas hydrate-bearing sediments and underlying gas-filled sediments, strongly depends on the frequency content of a seismic signal, as well as the impedance contrast across the phase boundary. A strong-amplitude BSR, detectable in a conventional seismic...
Re-Evaluation of the 1921 Peak Discharge at Skagit River near Concrete, Washington
M. C. Mastin
2007, Scientific Investigations Report 2007-5159
The peak discharge record at the U.S. Geological Survey (USGS) gaging station at Skagit River near Concrete, Washington, is a key record that has come under intense scrutiny by the scientific and lay person communities in the last 4 years. A peak discharge of 240,000 cubic feet per second for...
Ground-water age and quality in the High Plains Aquifer near Seward, Nebraska, 2003-04
Jennifer S. Stanton, Matthew K. Landon, Michael J. Turco
2007, Scientific Investigations Report 2007-5088
The U.S. Geological Survey, in cooperation with the City of Seward, Nebraska, conducted a study of ground-water age and quality to improve understanding of: (1) traveltimes from recharge areas to public-supply wells, (2) the effects of geochemical reactions in the aquifer on water quality, and (3) how water quality has...
The association of arsenic with redox conditions, depth, and ground-water age in the glacial aquifer system of the northern United States
Mary Ann Thomas
2007, Scientific Investigations Report 2007-5036
More than 800 wells in the glacial aquifer system of the Northern United States were sampled for arsenic as part of U.S. Geological Survey National Water-Quality Assessment (NAWQA) studies during 1991-2003. Elevated arsenic concentrations (greater than or equal to 10 micrograms per liter) were detected in 9 percent of samples. Elevated...
Stream-water quality during storm-runoff events and low-flow periods in the St. Clair River/Lake St. Clair Basin, Michigan
Thomas L. Weaver, Lori M. Fuller
2007, Open-File Report 2007-1201
This report, a product of the Lake St. Clair Regional Monitoring Project, describes four water-quality studies in the St. Clair River/Lake St. Clair Basin from the early 1970's through 2005. All the studies examined water quality of streams in the basin; the most recent studies focused primarily on water quality...
Sinkholes
James E. Kaufmann
2007, Fact Sheet 2007-3060
Sinkholes are a common feature in Missouri where limestone and dolomite outcrop. Though often considered a benign nuisance, sudden, catastrophic collapses can destroy property, delay construction projects, and contaminate ground water resources....
New Jersey Tide Telemetry System
Heidi L. Hoppe
2007, Fact Sheet 2007-3064
Each summer the population of the barrier-island communities of New Jersey increases by tens of thousands. When a coastal storm threatens these communities, the limited number of bridges and causeways that connect the islands with the mainland become overcrowded, making evacuations from the barrier islands to the mainland difficult. Timely...
Two-Dimensional Flood-Inundation Model of the Flint River at Albany, Georgia
Jonathan W. Musser, Thomas R. Dyar
2007, Scientific Investigations Report 2007-5107
Potential flow characteristics of future flooding along a 4.8-mile reach of the Flint River in Albany, Georgia, were simulated using recent digital-elevation-model data and the U.S. Geological Survey finite-element surface-water modeling system for two-dimensional flow in the horizontal plane (FESWMS-2DH). Simulated inundated areas, in 1-foot (ft) increments, were created for...
Magnetotelluric Data, Mid Valley, Nevada Test Site, Nevada
Jackie M. Williams, Erin L. Wallin, Brian D. Rodriguez, Charles R. Lindsey, Jay A. Sampson
2007, Open-File Report 2007-1123
Introduction The United States Department of Energy (DOE) and the National Nuclear Security Administration (NNSA) at their Nevada Site Office (NSO) are addressing ground-water contamination resulting from historical underground nuclear testing through the Environmental Management (EM) program and, in particular, the Underground Test Area (UGTA) project. One issue of concern is the...
Evaluation of Ground Water Near Sidney, Western Nebraska, 2004-05
G. V. Steele, S. S. Sibray, K.A. Quandt
2007, Scientific Investigations Report 2007-5086
During times of drought, ground water in the Lodgepole Creek area around Sidney, western Nebraska, may be insufficient to yield adequate supplies to private and municipal wells. Alternate sources of water exist in the Cheyenne Tablelands north of the city, but these sources are limited in extent. In 2003, the...
Field Reconnaissance of Debris Flows Triggered by a July 21, 2007, Thunderstorm in Alpine, Colorado, and Vicinity
Jeffrey A. Coe, Jonathan W. Godt, T.C. Wait, Jason W. Kean
2007, Open-File Report 2007-1237
On the evening of July 21, 2007, a slow-moving thunderstorm triggered about 45 debris flows on steep mountainsides near the community of Alpine, Colorado. Most of the debris flows were initiated by surface-water runoff that eroded and entrained loose sediment in previously existing channels. About 12 of the debris-flow channels...
Water Resources of the Duck River Watershed, Tennessee
R.R. Knight, J.A. Kingsbury
2007, Scientific Investigations Report 2007-5105
The U.S. Geological Survey began a study in 2003 in cooperation with the Tennessee Duck River Development Agency to assess the hydrology of the Duck River watershed from Normandy Dam downstream to Columbia, Tennessee. Ground-water-level data, spring-flow, bacteria samples, and streamflow were collected during this study to characterize the hydrology...
A graphical method for estimation of barometric efficiency from continuous data: Concepts and application to a site in the Piedmont, Air Force Plant 6, Marietta, Georgia
Gerard Gonthier
2007, Scientific Investigations Report 2007-5111
A graphical method that uses continuous water-level and barometric-pressure data was developed to estimate barometric efficiency. A plot of nearly continuous water level (on the y-axis), as a function of nearly continuous barometric pressure (on the x-axis), will plot as a line curved into a series of connected elliptical loops....
Geologic map of Nevada
A. Elizabeth Jones Crafford
2007, Data Series 249
The purpose of the Geologic Map of Nevada is to provide an integrated set of digital geologic information that can be used for regional geologic and rigorous spatial analysis. Two components of this map represent new information that has not been published in this form before. The new geology layer...
Strategic Plan for the North American Breeding Bird Survey: 2006-2010
Water Resources Division, U.S. Geological Survey
2007, Circular 1307
Executive SummaryThe mission of the North American Breeding Bird Survey (BBS) is to provide scientifically credible measures of the status and trends of North American bird populations at continental and regional scales to inform biologically sound conservation and management actions. Determining population trends, relative abundance, and distributions of North American...
Surface-Water Quality-Assurance Plan for the USGS Wisconsin Water Science Center
H.S. Garn
2007, Open-File Report 2007-1067
This surface-water quality-assurance plan documents the standards, policies, and procedures used by the Wisconsin Water Science Center of the U.S. Geological Survey, Water Resources Discipline, for activities related to the collection, processing, storage, analysis, management, and publication of surface-water data. The roles and responsibilities of Water Science Center personnel in...
Assessment of hydrology, water quality, and trace elements in selected placer-mined creeks in the birch creek watershed near central, Alaska, 2001-05
Ben W. Kennedy, Dustin E. Langley
2007, Scientific Investigations Report 2007-5124
Executive Summary The U.S. Geological Survey, in cooperation with the Bureau of Land Management, completed an assessment of hydrology, water quality, and trace-element concentrations in streambed sediment of the upper Birch Creek watershed near Central, Alaska. The assessment covered one site on upper Birch Creek and paired sites, upstream and...
Strontium Isotopic Composition of Paleozoic Carbonate Rocks in the Nevada Test Site Vicinity, Clark, Lincoln, and Nye Counties, Nevada, and Inyo County, California
James B. Paces, Zell E. Peterman, Kiyoto Futo, Thomas A. Oliver, Brian D. Marshall
2007, Data Series 280
Ground water moving through permeable Paleozoic carbonate rocks represents the most likely pathway for migration of radioactive contaminants from nuclear weapons testing at the Nevada Test Site, Nye County, Nevada. The strontium isotopic composition (87Sr/86Sr) of ground water offers a useful means of testing hydrochemical models of regional flow involving...
Alluvial Bars of the Obed Wild and Scenic River, Tennessee
W.J. Wolfe, K.C. Fitch, D.E. Ladd
2007, Scientific Investigations Map 2972
In 2004, the U.S. Geological Survey (USGS) and the National Park Service (NPS) initiated a reconnaissance study of alluvial bars along the Obed Wild and Scenic River (Obed WSR), in Cumberland and Morgan Counties, Tennessee. The study was partly driven by concern that trapping of sand by upstream impoundments might...
Ground-Water Data and Flow Directions in the Vicinity of Swamp Road, Licking County, Ohio, 2006-07
Denise H. Dumouchelle
2007, Open-File Report 2007-1211
The Natural Resources Conservation Service (NRCS) is proposing to build a dry dam on the South Fork Licking River to mitigate flood impacts. Concerns have been raised regarding the effects of impounded floodwaters on ground-water conditions in the Swamp Road neighborhood. To obtain a better understanding of existing ground-water conditions,...
Processes Affecting Phosphorus and Copper Concentrations and Their Relation to Algal Growth in Two Supply Reservoirs in the Lower Coastal Plain of Virginia, 2002-2003, and Implications for Alternative Management Strategies
Gary K. Speiran, Nancy S. Simon, Maria L. Mood-Brown
2007, Scientific Investigations Report 2006-5277
Elevated phosphorus concentrations commonly promote excessive growth of algae in waters nationwide. When such waters are used for public supply, the algae can plug filters during treatment and impart tastes and odors to the finished water. This increases treatment costs and results in finished water that may not be of...
Effects of ground-water withdrawal on Kaunakakai Stream environmental restoration plan, Molokai, Hawaii
Delwyn S. Oki
2007, Scientific Investigations Report 2007-5128
The U.S. Army Corps of Engineers, in cooperation with the County of Maui Department of Public Works and Environmental Management, has proposed to construct 2.75 acres of shallow ponds and mudflats near the mouth of Kaunakakai Stream, Moloka`i, Hawai`i to restore habitat for the endangered native Hawaiian Stilt. Kaunakakai Stream...