Interferometric synthetic aperture radar (InSAR) and its applications to study volcanoes, part 2: InSAR imaging of Alaskan Volcanoes
Zhong Lu, Daniel Dzurisin, Charles W. Wicks Jr., John A. Power
2006, Science of Surveying and Mapping (31) 36-39
Interferometric synthetic aperture radar (InSAR) is a remote sensing technique which can measure ground surface deformation with sub-centimeter precision and spatial resolution in tens-of-meters over a large region. This paper summarizes our recent InSAR studies of Alaskan volcanoes, associated with both eruptive and non-eruptive activity. It shows that InSAR can...
Host mating system and the prevalence of a disease in a plant population
Jennifer M. Koslow, Donald L. DeAngelis
2006, Proceedings of the Royal Society B (273) 1825-1831
A modified susceptible–infected–recovered (SIR) host–pathogen model is used to determine the influence of plant mating system on the outcome of a host–pathogen interaction. Unlike previous models describing how interactions between mating system and pathogen infection affect individual fitness, this model considers the potential consequences of varying mating systems on the...
Hydrogeology of the upper and middle Verde River watersheds, central Arizona
Kyle W. Blasch, John P. Hoffmann, Leslie F. Graser, Jeannie R. Bryson, Alan L. Flint
2006, Scientific Investigations Report 2005-5198
The upper and middle Verde River watersheds in central Arizona are primarily in Yavapai County, which in 1999 was determined to be the fastest growing rural county in the United States; by 2050 the population is projected to more than double its current size (132,000 in 2000). This study combines...
Simulation of nutrient and sediment concentrations and loads in the Delaware inland bays watershed: Extension of the hydrologic and water-quality model to ungaged segments
Angelica L. Gutierrez-Magness
2006, Scientific Investigations Report 2006-5038
Rapid population increases, agriculture, and industrial practices have been identified as important sources of excessive nutrients and sediments in the Delaware Inland Bays watershed. The amount and effect of excessive nutrients and sediments in the Inland Bays watershed have been well documented by the Delaware Geological Survey, the Delaware Department...
Digital single-channel seismic-reflection data from western Santa Monica basin
William R. Normark, David J. W. Piper, Ray W. Sliter, Peter Triezenberg, Christina E. Gutmacher
2006, Open-File Report 2006-1180
During a collaborative project in 1992, Geological Survey of Canada and United States Geological Survey scientists obtained about 850 line-km of high-quality single-channel boomer and sleeve-gun seismic-reflection profiles across Hueneme, Mugu and Dume submarine fans, Santa Monica Basin, off southern California. The goals of this work were to better understand...
usSEABED: Pacific Coast (California, Oregon, Washington) Offshore Surficial-Sediment Data Release, version 1
Jane A. Reid, Jamey M. Reid, Chris J. Jenkins, Mark Zimmermann, S. Jeffress Williams, Michael E. Field
2006, Data Series 182
Over the past 50 years there has been an explosion in scientific interest, research effort, and information gathered on the geologic sedimentary character of the continental margin of the United States. Data and information from thousands of publications have greatly increased our scientific understanding of the geologic origins of the...
Water quality and relation to taste-and-odor compounds in the North Fork Ninnescah River and Cheney Reservoir, south-central Kansas, 1997-2003
Victoria G. Christensen, Jennifer L. Graham, Chad R. Milligan, Larry M. Pope, Andrew C. Ziegler
2006, Scientific Investigations Report 2006-5095
Cheney Reservoir, the primary water supply for the city of Wichita in south-central Kansas, and its main source of inflow, the North Fork Ninnescah River, were sampled between 1997 and 2003 for sediment, nutrients, and the taste-and-odor-causing compounds geosmin and 2-methylisoborneol (MIB). It is believed that objectionable tastes and odors...
A thermal profile method to identify potential ground-water discharge areas and preferred salmonid habitats for long river reaches
J. J. Vaccaro, K.J. Maloy
2006, Scientific Investigations Report 2006-5136
The thermal regime of riverine systems is a major control on aquatic ecosystems. Ground water discharge is an important abiotic driver of the aquatic ecosystem because it provides preferred thermal structure and habitat for different types of fish at different times in their life history. In large diverse river basins...
Questa baseline and pre-mining ground-water quality investigation. 21. Hydrology and water balance of the Red River Basin, New Mexico, 1930-2004
Cheryl A. Naus, Douglas P. McAda, Nathan C. Myers
2006, Scientific Investigations Report 2006-5040
A study of the hydrology of the Red River Basin of northern New Mexico, including development of a pre- mining water balance, contributes to a greater understanding of processes affecting the flow and chemistry of water in the Red River and its alluvial aquifer. Estimates of mean annual precipitation for...
Simulation of selected ground-water pumping scenarios at Fort Stewart and Hunter Army Airfield, Georgia
Gregory S. Cherry
2006, Open-File Report 2006-1148
A regional MODFLOW ground-water flow model of parts of coastal Georgia, Florida, and South Carolina was used to evaluate the effects of current and hypothetical groundwater withdrawal, and the relative effects of pumping in specific areas on ground-water flow in the Upper Floridan aquifer near Fort Stewart and Hunter Army...
Ground-water levels near the top of the water-table mound, western Cape Cod, Massachusetts, 2002-04
Andrew J. Massey, Carl S. Carlson, Denis R. LeBlanc
2006, Scientific Investigations Report 2006-5054
In January 2002 the U.S. Geological Survey began continuous water-level monitoring in three wells in the vicinity of the Southeast Ranges of Camp Edwards, near the Impact Area of the Massachusetts Military Reservation on Cape Cod. The purpose of this effort was to examine how water levels at sites with...
Regionalized equations for bankfull-discharge and channel characteristics of streams in New York State—Hydrologic Region 7 in western New York
Christiane I. Mulvihill, Anne G. Ernst, Barry P. Baldigo
2006, Scientific Investigations Report 2006-5075
Computation of bankfull discharge and channel dimensions (width, depth, and cross-sectional area) at ungaged sites requires equations that relate bankfull discharge and channel dimensions to drainage-area at gaged sites. Bankfull-channel information commonly is needed for watershed assessments, stream channel classification, and the design of stream-restoration projects. Such equations are most...
A system for calibrating seepage meters used to measure flow between ground water and surface water
Donald O. Rosenberry, Michael A. Menheer
2006, Scientific Investigations Report 2006-5053
A system has been developed for generating controlled rates of seepage across the sediment-water interface representing flow between ground water and surface water. The seepage- control system facilitates calibration and testing of seepage measurement devices commonly called seepage meters. Two slightly different seepage-control systems were evaluated. Both designs make use...
Geohydrological characterization, water-chemistry, and ground-water flow simulation model of the Sonoma Valley area, Sonoma County, California
Christopher D. Farrar, Loren F. Metzger, Tracy Nishikawa, Kathryn M. Koczot, Eric G. Reichard, Victoria E. Langenheim
2006, Scientific Investigations Report 2006-5092
The Sonoma Valley, located about 30 miles north of San Francisco, is one of several basins in Sonoma County that use a combination of ground water and water delivered from the Russian River for supply. Over the past 30 years, Sonoma Valley has experienced rapid population growth and land-use changes....
Hydrogeophysical tracking of three‐dimensional tracer migration: The concept and application of apparent petrophysical relations
Kamini Singha, Steven M. Gorelick
2006, Water Resources Research (42)
Direct estimation of groundwater solute concentrations from geophysical tomograms has been only moderately successful because (1) reconstructed tomograms are often highly uncertain and subject to inversion artifacts, (2) the range of subsurface conditions represented in data sets is incomplete because of the paucity of colocated well or core data and...
Atlas of climatic controls of wildfire in the western United States
S. W. Hostetler, P. J. Bartlein, J.O. Holman
2006, Scientific Investigations Report 2006-5139
Wildfire behavior depends on several factors including ecologic characteristics, near-term and antecedent climatic conditions,fuel availability and moisture level, weather, and sources of ignition (lightning or human). The variability and interplay of these factors over many spatial and temporal scales present an ongoing challenge to our ability to forecast a given...
Trends in streamflow of the San Pedro River, southeastern Arizona, and regional trends in precipitation and streamflow in southeastern Arizona and southwestern New Mexico
Blakemore E. Thomas, Don R. Pool
2006, Professional Paper 1712
This study was done to improve the understanding of trends in streamflow of the San Pedro River in southeastern Arizona. Annual streamflow of the river at Charleston, Arizona, has decreased by more than 50 percent during the 20th century. The San Pedro River is one of the few remaining free-flowing...
Potentiometric surface of the Upper Floridan aquifer in the Ichetucknee springshed and vicinity, northern Florida, September 2003
A. Alejandro Sepulveda, Brian G. Katz, Gary L. Mahon
2006, Open-File Report 2006-1031
The Upper Floridan aquifer is a highly permeable unit of carbonate rock extending beneath most of Florida and parts of southern Alabama, Georgia, and South Carolina. The high permeability is due in a large part to the widening of fractures that developed over time and the formation of conduits within...
Aquifer-test data for wells H-1, H-2A, H-2B, H-2C, and H-3 at the Waste Isolation Pilot Plant, southeastern New Mexico
G. F. Huff, Angela Gregory
2006, Open-File Report 2006-1129
A series of aquifer tests was performed by the U.S. Geological Survey on geologic units of Permian age at the Waste Isolation Pilot Plant site between February 1979 and July 1980 in wells H-1, H-2 complex (H-2A, H-2B, and H-2C), and H-3. The tested geologic units included the Magenta Dolomite...
Effects of roads and well pads on erosion in the Largo Canyon watershed, New Mexico, 2001-02
Anne Marie Matherne
2006, Scientific Investigations Report 2006-5039
Largo Canyon, located in the San Juan Basin of northwestern New Mexico, is one of the longest dry washes in the world. Oil and gas production in the San Juan Basin, which began in the 1940's, required the development of an extensive network of dirt roads to service the oil...
The Everglades Depth Estimation Network (EDEN) for Support of Ecological and Biological Assessments
Pamela A. Telis
2006, Fact Sheet 2006-3087
The Everglades Depth Estimation Network (EDEN) is an integrated network of real-time water-level monitoring, ground-elevation modeling, and water-surface modeling that provides scientists and managers with current (1999-present), online water-depth information for the entire freshwater portion of the Greater Everglades. Presented on a 400-square-meter grid spacing, EDEN offers a consistent and...
Freshwater and Nutrient Fluxes to Coastal Waters of Everglades National Park - A Synthesis
Benjamin F. McPherson, Arturo E. Torres
2006, Fact Sheet 2006-3076
Freshwater in the Everglades and the Big Cypress Swamp drains south and southwest into coastal regions where it mixes with seawater to create the salinity gradients characteristic of productive estuarine and marine systems. Studies in Florida Bay have shown that over the last 100-200 years, salinity and seagrass distributions have...
Reply to the discussion
W. Hinze, B. Coakley, T. Hildenbrand, X. Li, Donald Plouff, Dhananjay Ravat, Michael W. Webring
2006, Geophysics (71) X32-X33
No abstract available....
Local infrasound observations of large ash explosions at Augustine Volcano, Alaska, during January 11–28, 2006
Tanja Petersen, Silvio De Angelis, Guy Tytgat, Stephen R. McNutt
2006, Geophysical Research Letters (33)
We present and interpret acoustic waveforms associated with a sequence of large explosion events that occurred during the initial stages of the 2006 eruption of Augustine Volcano, Alaska. During January 11–28, 2006, 13 large explosion events created ash-rich plumes that reached up to 14 km a.s.l., and generated atmospheric pressure...
Velocity, bathymetry, and transverse mixing characteristics of the Ohio River upstream from Cincinnati, Ohio, October 2004–March 2006
G. F. Koltun, Chad J. Ostheimer, Michael S. Griffin
2006, Open-File Report 2006-1159
Velocity, bathymetry, and transverse (cross-channel) mixing characteristics were studied in a 34-mile study reach of the Ohio River extending from the lower pool of the Captain Anthony Meldahl Lock and Dam, near Willow Grove, Ky, to just downstream from the confluence of the Licking and Ohio Rivers, near Newport, Ky....
