Geologic Characterization of Young Alluvial Basin-Fill Deposits from Drill-Hole Data in Yucca Flat, Nye County, Nevada
Donald S. Sweetkind, Ronald M. Drake II
2007, Scientific Investigations Report 2007-5062
Yucca Flat is a topographic and structural basin in the northeastern part of the Nevada Test Site in Nye County, Nevada, that has been the site of numerous underground nuclear tests; many of these tests occurred within the young alluvial basin-fill deposits. The migration of radionuclides to the Paleozoic carbonate...
Earthquake Hazards Program bookmark
Water Resources Division, U.S. Geological Survey
2007, General Information Product 18
No abstract available....
Near-Surface Shear Wave Velocity Versus Depth Profiles, VS30, and NEHRP Classifications for 27 Sites in Puerto Rico
Jack K. Odum, Robert A. Williams, William J. Stephenson, David M. Worley, Christa von Hillebrandt-Andrade, Eugenio Asencio, Harold Irizarry, Antonio Cameron
2007, Open-File Report 2007-1174
In 2004 and 2005 the Puerto Rico Seismic Network (PRSN), Puerto Rico Strong Motion Program (PRSMP) and the Geology Department at the University of Puerto Rico-Mayaguez (UPRM) collaborated with the U.S. Geological Survey to study near-surface shear-wave (Vs) and compressional-wave (Vp) velocities in and around major urban areas of Puerto...
Revision of Time-Independent Probabilistic Seismic Hazard Maps for Alaska
Robert L. Wesson, Oliver S. Boyd, Charles S. Mueller, Charles G. Bufe, Arthur D. Frankel, Mark D. Petersen
2007, Open-File Report 2007-1043
We present here time-independent probabilistic seismic hazard maps of Alaska and the Aleutians for peak ground acceleration (PGA) and 0.1, 0.2, 0.3, 0.5, 1.0 and 2.0 second spectral acceleration at probability levels of 2 percent in 50 years (annual probability of 0.000404), 5 percent in 50 years (annual probability of...
Evaluation of Acoustic Doppler Current Profiler to Measure Discharge at New York Power Authority's Niagara Power Project, Niagara Falls, New York
Henry J. Zajd Jr.
2007, Open-File Report 2007-1187
The need for accurate real-time discharge in the International Niagara River hydro power system requires reliable, accurate and reproducible data. The U.S. Geological Survey has been widely using Acoustic Doppler Current Profilers (ADCP) to accurately measure discharge in riverine channels since the mid-1990s. The use of the ADCP to measure...
Satellite Images and Aerial Photographs of the Effects of Hurricanes Katrina and Rita on Coastal Louisiana
John A. Barras
2007, Data Series 281
Introduction Hurricane Katrina made landfall on the eastern coastline of Louisiana on August 29, 2005; Hurricane Rita made landfall on the western coastline of Louisiana on September 24, 2005. Comparison of Landsat Thematic Mapper (TM) satellite imagery acquired before and after the landfalls of Katrina and Rita and classified to identify...
Processes influencing the transport and fate of contaminated sediments in the coastal ocean– Boston Harbor and Massachusetts Bay
P. Soupy Alexander, Sandra M. Baldwin, Dann S. Blackwood, Jonathan Borden, Michael A. Casso, John Crusius, Joanne Goudreau, Linda H. Kalnejais, Paul J. Lamothe, William R. Martin, Marinna A. Martini, Richard R. Rendigs, Frederick L. Sayles, Richard P. Signell, Page C. Valentine, John C. Warner
Michael H. Bothner, Bradford Butman, editor(s)
2007, Circular 1302
Most of the major urban centers of the United States including Boston, New York, Washington, Chicago, New Orleans, Miami, Los Angeles, San Francisco, and Seattle—are on a coast (fig. 1.1). All of these cities discharge treated sewage effluent into adjacent waters. In 2000, 74 percent of the U.S. population lived...
Geophysical Characterization of Pre-Cenozoic Basement for Hydrocarbon Assessment, Yukon Flats, Alaska
R. W. Saltus, J. D. Phillips, R. G. Stanley, A. Till, R. L. Morin
2007, Open-File Report 2007-1208
The Cenozoic basins of interior Alaska are poorly understood, but may host undiscovered hydrocarbon resources in sufficient quantities to serve remote villages and for possible export. Purported oil seeps and the regional occurrence of potential hydrocarbon source and reservoir rocks fuel an exploration interest in the 46,000 km2 Yukon Flats...
Detection of viral hemorrhagic septicemia virus
James Winton, Gael Kurath, William Batts
2007, Fact Sheet 2007-3055
Viral hemorrhagic septicemia virus (VHSV) is considered to be one of the most important viral pathogens of finfish and is listed as reportable by many nations and international organizations (Office International des Epizooties 2006). Prior to 1988, VHSV was thought to be limited to Europe (Wolf 1988; Smail 1999). Subsequently,...
Natural and diverted low-flow duration discharges for streams affected by the Waiahole Ditch System, windward O`ahu, Hawai`i
Chiu W. Yeung, Richard A. Fontaine
2007, Scientific Investigations Report 2006-5285
For nearly a century, the Waiahole Ditch System has diverted an average of approximately 27 million gallons per day of water from the wet, northeastern part of windward O`ahu, Hawai`i, to the dry, central part of the island to meet irrigation needs. The system intercepts large amounts of dike-impounded ground...
Channel response to low-elevation desert fire: The King Valley Fire of 2005
Robert H. Webb, Peter G. Griffiths, Cynthia S.A. Wallace, Diane E. Boyer
2007, Data Series 275
In late September to early October 2005, a fire swept north from the Yuma Proving Grounds and into the Kofa National Wildlife Refuge (NWR), traveling mainly along desert wash systems and low-relief alluvial fans. This fire burned 9,975 ha, moving through xeroriparian systems in washes as well as low-elevation desert...
CLICK: The USGS Center for LIDAR Information Coordination & Knowledge
Jordan C. Menig, Jason M. Stoker
2007, Fact Sheet 2006-3024
While this technology has proven its use as a mapping tool - effective for generating bare earth DEMs at high resolutions (1-3 m) and with high vertical accuracies (15-18 cm) - obstacles remain for its application as a remote sensing tool: * The high cost of collecting LIDAR * The steep learning...
Sturgeon research update: Confirmed pallid sturgeon spawning in the Missouri River in 2007
Michael Mac, Gerald Mestl
2007, Fact Sheet 2007-3053
The U.S. Geological Survey (USGS) in partnership with the Nebraska Game and Parks Commission (NGPC) and the U.S. Army Corps of Engineers have confirmed spawning of two female pallid sturgeon in the upstream reaches of the lower Missouri River in May 2007. Combined with supporting research in reproductive physiology, identification...
Use of chemical analysis and assays of semipermeable membrane devices extracts to assess the response of bioavailable organic pollutants in streams to urbanization in six metropolitan areas of the United States
Wade L. Bryant Jr., Steve L. Goodbred, Thomas L. Leiker, Laura Inouye, B. Thomas Johnson
2007, Scientific Investigations Report 2007-5113
Studies to assess the effects of urbanization on stream ecosystems are being conducted as part of the U.S. Geological Survey’s National Water-Quality Assessment (NAWQA) Program. The overall objectives of these studies are to (1) determine how hydrologic, geomorphic, water quality, habitat, and biological characteristics respond to land-use changes associated with urbanization...
Shuttle Radar Topography Mission - New Products in 2005
Water Resources Division, U.S. Geological Survey
2007, Fact Sheet 2005-3068
In February 2000, the Shuttle Radar Topography Mission (SRTM) successfully collected Interferometric C-Band Synthetic Aperture Radar data over 80 percent of the Earth's land surface, for most of the area between 60?N and 56?S latitude. NASA and the National Geospatial-Intelligence Agency (NGA), formerly known as the National Imagery and Mapping...
Recharge area, base-flow and quick-flow discharge rates and ages, and general water quality of Big Spring in Carter County, Missouri, 2000-04
Jeffrey L. Imes, Niel Plummer, Michael J. Kleeschulte, John G. Schumacher
2007, Scientific Investigations Report 2007-5049
Exploration for lead deposits has occurred in a mature karst area of southeast Missouri that is highly valued for its scenic beauty and recreational opportunities. The area contains the two largest springs in Missouri (Big Spring and Greer Spring), both of which flow into federally designated scenic rivers. Concerns about...
Population viability analysis of Lower Missouri River shovelnose sturgeon with initial application to the pallid sturgeon
P.G. Bajer, M. L. Wildhaber
2007, Journal of Applied Ichthyology (23) 457-464
Demographic models for the shovelnose (Scaphirhynchus platorynchus) and pallid (S. albus) sturgeons in the Lower Missouri River were developed to conduct sensitivity analyses for both populations. Potential effects of increased fishing mortality on the shovelnose sturgeon were also evaluated. Populations of shovelnose and pallid sturgeon were most sensitive to age-0...
Estimation of gonad volume, fecundity, and reproductive stage of shovelnose sturgeon using sonography and endoscopy with application to the endangered pallid sturgeon
J.L. Bryan, M. L. Wildhaber, D. M. Papoulias, A. J. DeLonay, D. E. Tillitt, M.L. Annis
2007, Journal of Applied Ichthyology (23) 411-419
Most species of sturgeon are declining in the Mississippi River Basin of North America including pallid (Scaphirhynchus albus F. and R.) and shovelnose sturgeons (S. platorynchus R.). Understanding the reproductive cycle of sturgeon in the Mississippi River Basin is important in evaluating the status and viability of sturgeon populations. We used non-invasive,...
Effects of nutrient loading and extreme rainfall events on coastal tallgrass prairies: Invasion intensity, vegetation responses, and carbon and nitrogen distribution
E. Siemann, W.E. Rogers, James B. Grace
2007, Global Change Biology (13) 2184-2192
Soil fertility and precipitation are major factors regulating transitions from grasslands to forests. Biotic regulation may influence the effects of these abiotic drivers. In this study, we examined the effects of extreme rainfall events, anthropogenic nutrient loading and insect herbivory on the ability of Chinese tallow tree (Sapium sebiferum) to...
Analysis of salinity intrusion in the Waccamaw River and Atlantic Intracoastal Waterway near Myrtle Beach, South Carolina, 1995-2002
Paul Conrads, Edwin A. Roehl Jr.
2007, Scientific Investigations Report 2007-5110
Six reservoirs in North Carolina discharge into the Pee Dee River, which flows 160 miles through South Carolina to the coastal communities near Myrtle Beach, South Carolina. During the Southeast's record-breaking drought from 1998 to 2003, salinity intrusions inundated a coastal municipal freshwater intake, limiting water supplies. To evaluate the...
Summary of the Ground-Water-Level Hydrologic Conditions in New Jersey 2006
Walter Jones, Daryll Pope
2007, Fact Sheet 2007-3049
Ground water is one of the Nation's most important natural resources. It provides about 40 percent of our Nation's public water supply. Currently, nearly one-half of New Jersey's drinking-water is supplied by over 300,000 wells that serve more than 4.3 million people (John P. Nawyn, U.S. Geological Survey, written commun.,...
Geochemistry of Selected Coal Samples from Sumatra, Kalimantan, Sulawesi, and Papua, Indonesia
Harvey E. Belkin, Susan J. Tewalt
2007, Open-File Report 2007-1202
Introduction Indonesia is an archipelago of more than 17,000 islands that stretches astride the equator for about 5,200 km in southeast Asia (figure 1) and includes major Cenozoic volcano-plutonic arcs, active volcanoes, and various related onshore and offshore basins. These magmatic arcs have extensive Cu and Au mineralization that has generated...
Using a remote sensing/GIS model to predict southwestern Willow Flycatcher breeding habitat along the Rio Grande, New Mexico
James R. Hatten, Mark K. Sogge
2007, Open-File Report 2007-1207
Introduction The Southwestern Willow Flycatcher (Empidonax traillii extimus; hereafter SWFL) is a federally endangered bird (USFWS 1995) that breeds in riparian areas in portions of New Mexico, Arizona, southwestern Colorado, extreme southern Utah and Nevada, and southern California (USFWS 2002). Across this range, it uses a variety of plant species as...
The Distribution of Submersed Aquatic Vegetation in the Fresh and Oligohaline Tidal Potomac River, 2004
Nancy B. Rybicki, Sarah N. Yoon, Edward R. Schenk, Julie B. Baldizar
2007, Open-File Report 2007-1198
Introduction Submersed aquatic vegetation (SAV) is a critical component of the Potomac River ecosystem. Though SAV provides important habitat for fauna and stabilizes bottom sediment, very dense beds may restrict recreational and commercial navigation. Exotic species of SAV are managed by the Metropolitan Washington Council of Governments Potomac Aquatic Plant Management...
Interferometric synthetic-aperature radar (InSAR): Chapter 5
Daniel Dzurisin, Zhong Lu
2007, Book chapter, Volcano deformation - Geodetic monitoring techniques
Geodesists are, for the most part, a patient and hardworking lot. A day spent hiking to a distant peak, hours spent waiting for clouds to clear a line-of-sight between observation points, weeks spent moving methodically along a level line – such is the normal pulse of the geodetic profession. The...
