Fish, benthic-macroinvertebrate, and stream-habitat data from two estuaries near Galveston Bay, Texas, 2000-2001
Jennifer L. Hogan
2002, Open-File Report 2002-24
This report presents data on the status of fish, macroinvertebrates, and stream habitat collected from 10 sites in the lower (estuarine) parts of Armand and Dickinson Bayous near Galveston Bay, Texas, during summer 2000 and winter 2001. The total number of individual fish caught at the five Armand Bayou sites...
U.S. Geological Survey 2002 petroleum resource assessment of the National Petroleum Reserve in Alaska (NPRA): play maps and technically recoverable resource estimates
Kenneth J. Bird, David W. Houseknecht
2002, Open-File Report 2002-207
This report provides a summary of the estimated volume of technically recoverable undiscovered oil and nonassociated gas resources for each of the 24 plays evaluated in the U.S. Geological Survey 2002 petroleum resource assessment of the NPRA (Bird and Houseknecht, 2002). It also provides a set of illustrations showing the...
Data on occurrence of selected trace metals, organochlorines, and semivolatile organic compounds in edible fish tissues from Lake Worth, Fort Worth, Texas, 1999
J. Bruce Moring
2002, Open-File Report 2002-16
A public-health assessment conducted for the Texas Department of Health and the Agency for Toxic Substances and Disease Registry concluded that exposure to contaminants through the aquatic food chain is an indeterminate human-health hazard in Lake Worth, Fort Worth, Texas. In 1999, the U.S. Geological Survey, in cooperation with the...
Progress on geoenvironmental models for selected mineral deposit types
Robert R. Seal, II, Nora K. Foley, editor(s)
2002, Open-File Report 2002-195
Since the beginning of economic geology as a subdiscipline of the geological sciences, economic geologists have tended to classify mineral deposits on the basis of geological, mineralogical, and geochemical criteria, in efforts to systematize our understanding of mineral deposits as an aid to exploration. These efforts have led to classifications...
Environmental atlas of the Lake Pontchartrain Basin
Andrew Beall, Jack Kindinger
Shea Penland, editor(s)
2002, Open-File Report 2002-206
Reconnaissance study of the geology of U.S. vermiculite deposits: Are asbestos minerals common constituents?
Bradley S. Van Gosen, Heather Lowers, Alfred L. Bush, Gregory P. Meeker, Geoffrey S. Plumlee, Isabelle K. Brownfield, Stephen J. Sutley
2002, Bulletin 2192
Unusually high incidences of asbestos-related mortality and respiratory disease in the small town of Libby, Montana, have been linked to amphibole mineral fibers intergrown with the vermiculite deposits mined and milled near the town from 1923 to 1990. A study conducted by the U.S. Agency for Toxic Substances and Disease...
Composition, age, and petrogenesis of Late Cretaceous intrusive rocks in the central Big Belt Mountains, Broadwater and Meagher counties, Montana
E. A. Du Bray, L.W. Snee
2002, Professional Paper 1657
Cretaceous intrusions hosted by the Proterozoic Newland Formation. The northern intrusion, centered on Boulder Baldy, consists of outer, intermediate, and core zones composed of aegirine-augite quartz monzonite, hornblende quartz monzodiorite, and biotite granodiorite, respectively. The southern intrusion, north of Mount Edith, is compositionally indistinguishable from the intermediate zone of the...
Microphytobenthos potential productivity estimated in three tidal embayments of the San Francisco Bay system
Jean-Marc Guarini, James E. Cloern, Jody L. Edmunds, Philippe Gros
2002, Estuaries (25) 409-417
In this paper we describe a three-step procedure to infer the spatial heterogeneity in microphytobenthos primary productivity at the scale of tidal estuaries and embayments. The first step involves local measurement of the carbon assimilation rate of benthic microalgae to determine the parameters of the photosynthesis-irradiance (P-E) curves (using non-linear...
Geohydrology and ground-water quality, Big Elk Creek Basin, Chester County, Pennsylvania, and Cecil County, Maryland
Ronald A. Sloto
2002, Water-Resources Investigations Report 2002-4057
A study of ground-water quantity and quality was conducted in the Big Elk Creek Basin, a rural area undergoing rapid growth. The 79.4-square mile study area is in the Piedmont Physiographic Province and is underlain almost entirely by crystalline rocks. Most of the basin in Pennsylvania is underlain by Wissahickon...
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of organophosphate pesticides in filtered water by gas chromatography with flame photometric detection
Virendra K. Jha, Duane S. Wydoski
2002, Water-Resources Investigations Report 2002-4071
A method for the isolation of 20 parent organophosphate pesticides and 5 pesticide degradates from filtered natural-water samples is described. Seven of these compounds are reported permanently with an estimated concentration because of performance issues. Water samples are filtered to remove suspended particulate matter, and then 1 liter of filtrate...
Rare Earth Element Mines, Deposits, and Occurrences
Greta J. Orris, Richard I. Grauch
2002, Open-File Report 2002-189
Data on rare earth (including yttrium) mines, deposits, and occurrences were compiled as part of an effort by the USGS and the University of Arizona Center for Mineral Resources to summarize current knowledge on the supply and demand outlook and related topics for this group of elements. Economic competition and...
Influence of natural organic matter on the adsorption of metal ion onto clay particles
D. Schmitt, Howard E. Taylor, G. R. Aiken, D.A. Roth, F.H. Frimmel
2002, Environmental Science & Technology (36) 2932-2938
The influence of natural organic matter (NOM) on the adsorption of Al, Fe, Zn, and Pb onto clay minerals was investigated. Adsorption experiments were carried out at pH = 5 and pH = 7 in the presence and absence of NOM. In general, the presence of NOM decreased the adsorption...
Effects of flow on the fish communities of a regulated California river: Implications for managing native fishes
Larry R. Brown, Tim Ford
2002, River Research and Applications (18) 331-342
We assessed the importance of flow regime to the success of native and non‐native fish species by analysing winter/spring seining data collected from 1987 to 1997 on the resident fish communities of the lower Tuolumne River, California. The data were analysed using regression models to predict the percentage of non‐native...
An ENSO predictor of dust emission in the southwestern United States
Gregory S Okin, Marith C. Reheis
2002, Geophysical Research Letters (29) 46-1-46-3
Here we show that there is a significant relationship between Nino 3.4 ENSO anomaly (Dec–Jan average) and precipitation in the southwestern United States. This contributes to increased frequency of dust events in the years following strong La Niña and El Niño years. High probabilities (60%–100%) exist for...
A Geochemical Trophic Cascade in Yellowstone's Geothermal Environments
R.A. Garrott, L. E. Eberhardt, James K. Otton, P.J. White, Maurice A. Chaffee
2002, Ecosystems (5) 659-666
We contrast the geochemistry of the Madison drainage, which has high concentrations of geothermal features, with the Lamar drainage of Yellowstone National Park, USA, and trace the consequences of geochemical differences through abiotic and biotic linkages in the ecosystem. Waters in the geothermal-dominated drainage contained anomalously high levels of fluoride...
New insights on timing of oil and gas generation in the central Gulf Coast interior zone based on hydrous-pyrolysis kinetic parameters
Michael D. Lewan, Shirley P. Dutton, Stephen C. Ruppel, Tucker F. Hentz
2002, Conference Paper
Timing of oil and gas generation from Turonian and Smackover source rocks in the central Gulf CoastInterior Zone was determined in one-dimensional burial-history curves (BHCs) using hydrous-pyrolysis kinetic parameters. The results predict that basal Smackover source-rock...
Use of fallout radioisotopes to estimate sources of suspended sediment to the Wild Rice River, northwestern Minnesota, 1998
M. E. Brigham, Carolyn J. McCullough, P. Wilkinson
2002, Conference Paper
No abstract available....
Methylmercury in diverse surface waters of Minnesota and Wisconsin
M. E. Brigham
2002, Conference Paper
No abstract available....
Trace elements in streambed sediments of the St. Croix River Basin, 2000
M. E. Brigham
2002, Conference Paper
No abstract available....
Flood pulsing in the regeneration and maintenance of species in riverine forested wetlands of the southeastern United States
Beth A. Middleton
Beth A. Middleton, editor(s)
2002, Book chapter, Flood pulsing in wetlands: Restoring the natural hydrological balance
No abstract available....
Crustal structure across the Bering Strait, Alaska: Onshore recordings of a marine seismic survey
Lorraine W. Wolf, Robert C. McCaleb, David B. Stone, Thomas M. Brocher, Kazuya Fujita, Simon L. Klemperer
2002, Book chapter, Tectonic evolution of the Bering Shelf-Chukchi Sea-Arctic margin and adjacent landmasses
No abstract available....
Tension cracks, eruptive fissures, dikes, and faults related to late Pleistocene-Holocene basaltic volcanism and implications for the distribution of hydraulic conductivity in the eastern Snake River Plain, Idaho
Mel A. Kuntz, Steven R. Anderson, Duane E. Champion, Marvin A. Lanphere, Daniel J. Grunwald
2002, Book chapter, Geology, hydrogeology, and environmental remediation: Idaho National Engineering and Environmental Laboratory, eastern Snake River plain, Idaho
No abstract available....
Cretaceous mid-crustal metamorphism and exhumation of the Koolen gneiss dome, Chukotka Peninsula, northeastern Russia
Vyacheslav V Akinin, Andrew T. Calvert
Elizabeth L. Miller, Arthur Grantz, Simon L. Klemperer, editor(s)
2002, Book chapter, Tectonic evolution of the Bering Shelf-Chukchi Sea-Artic Margin and adjacent landmasses
No abstract available....
Swimming performance of upstream migrant fishes: New methods, new perspectives
Theodore R. Castro-Santos
2002, Thesis
The ability to traverse barriers of high water velocity limits the distributions of many diadromous and other migratory fish species, and is central to effective fishway design. This dissertation provides a detailed analysis of volitional sprinting behavior of six migratory fish species (American shad Alosa sapidissima, alewife A. pseudoharengus, blueback...
Constraints on the age of formation of seismically reflective middle and lower crust beneath the Bering Shelf: SHRIMP zircon dating of xenoliths from Saint Lawrence Island
Elizabeth L. Miller, T. R. Ireland, Simon L. Klemperer, Karl Wirth, Vyacheslav V Akinin, Thomas M. Brocher
Elizabeth L. Miller, Arthur Grantz, Simon L. Klemperer, editor(s)
2002, Book chapter, Tectonic evolution of the Bering Shelf-Chukchi Sea-Artic Margin and adjacent landmasses
No abstract available....
