Conference Papers
Science Quality and Integrity
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The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse almost 5,000 conference papers authored by our scientists and refine search by topic, location, year, and advanced search.
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Debris flows and rapids in Grand Canyon; implications for erosion rates and evacuation of sediment from tributary canyons Debris flows and rapids in Grand Canyon; implications for erosion rates and evacuation of sediment from tributary canyons
No abstract available.
Authors
Robert Webb, Peter G. Griffiths, Theodore S. Melis
Compelling new evidence for Paleocene dinosaurs in the Ojo Alamo Sandstone, San Juan Basin, New Mexico and Colorado, USA Compelling new evidence for Paleocene dinosaurs in the Ojo Alamo Sandstone, San Juan Basin, New Mexico and Colorado, USA
No abstract available.
Authors
James E. Fassett, Spencer G. Lucas, Robert A. Zielinski, James R. Budahn
Mapping woody vegetation and eastern red cedar in the Nebraska Sand Hills using AVIRIS Mapping woody vegetation and eastern red cedar in the Nebraska Sand Hills using AVIRIS
No abstract available.
Authors
Bruce K. Wylie, David Meyer, Mike Choate, L. Vierling, P. K. Kozak
Quaternary geochronology using combined U-Pb and U-series methods: The opal perspective Quaternary geochronology using combined U-Pb and U-series methods: The opal perspective
No abstract available.
Authors
Leonid A. Neymark, Y. V. Amelin
Seismotectonics of the 1964 Alaska earthquake as an analog for future tsunamigenic southern Cascadia subduction earthquakes Seismotectonics of the 1964 Alaska earthquake as an analog for future tsunamigenic southern Cascadia subduction earthquakes
No abstract available.
Authors
George Plafker, Gary A. Carver, Samuel H. Clarke
Alteration of reactive mineral surfaces by ground water Alteration of reactive mineral surfaces by ground water
Two different investigations of shallow sandy aquifers inform our thinking about the role of reactive iron minerals in hydrogeological systems. Ground water in a number of settings has been described as having elevated concentrations of dissolved iron in anoxic portions of contaminant plumes (e.g. Baedecker et al., 1993; Lyngkilde and Christensen, 1992), and the coupling of microbial...
Authors
Janet S. Herman, Aaron L. Mills, Isabelle M. Cozzarelli
Analysis of USVI coastal feature products from the 1980s and 1990s Analysis of USVI coastal feature products from the 1980s and 1990s
The authors have used color stereo photos along with a three-dimensional visualization photogrammetric software package, Socet Set, to produce orthophotometric-corrected mosaics of St. Croix, St. John, and St. Thomas in the U.S. Virgin Islands. These mosaics are used for numerous applications such as characterization of the shallow water benthic habitat, terrestrial habitat...
Authors
R.A. Warner, D.G. Catanzaro, Rafe Boulon, C. Rogers, Zandy Hillis-Starr, B. Phillips, D. Barry, Stuart Henry, Barry E. Devine
Detecting change in water quality from implementation of limestone treatment systems in a coal-minded watershed Detecting change in water quality from implementation of limestone treatment systems in a coal-minded watershed
During 1996-97, a variety of limestone-based treatment systems were implemented to neutralize acidic mine drainage and reduce the transport of dissolved metals in the northern part of the Swatara Creek watershed, which drains a 43-mi2 (112-km2) area in the Southern Anthracite Field upstream from Ravine, Pa. Since 1996, the current project has monitored water quality upstream and...
Authors
Charles A. Cravotta, Jeffrey B. Weitzel
Relations among sulfate, metals, sediment, and streamflow data for a stream draining a coal-mined watershed in East-Central Pennsylvania Relations among sulfate, metals, sediment, and streamflow data for a stream draining a coal-mined watershed in East-Central Pennsylvania
Streamflow and water-quality data for the northern part of Swatara Creek, which drains a 112-km2 area in the Southern Anthracite Field of east-central Pennsylvania, indicate iron, copper, and lead, and to a lesser extent manganese and zinc, are transported with suspended particles during stormflow conditions. During stormflow conditions, concentrations of these constituents typically...
Authors
Charles A. Cravotta
Significance of geologic and biostratigraphic relations between the overlap assemblage and Havallah sequence, southern Shoshone Range, Nevada Significance of geologic and biostratigraphic relations between the overlap assemblage and Havallah sequence, southern Shoshone Range, Nevada
No abstract available.
Authors
Thomas E. Moore, B.L. Murchey, A. G. Harris
Sediment oxygen demand rates in the Mangrove Lagoon, Benner Bay, and Vessup Bay in southeastern St. Thomas, U.S. Virgin Islands Sediment oxygen demand rates in the Mangrove Lagoon, Benner Bay, and Vessup Bay in southeastern St. Thomas, U.S. Virgin Islands
No abstract available.
Authors
Orlando Ramos-Gines