Conference Papers
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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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Techniques for estimating sediment yield of ungaged tributaries on the southern Colorado Plateau Techniques for estimating sediment yield of ungaged tributaries on the southern Colorado Plateau
Numerous regional sediment transport data are used to evaluate three techniques for estimating streamflow sediment yield from ungaged tributaries of the Colorado River in Grand Canyon. These techniques include: (1) a regression equation relating drainage area to sediment yield for all relevant sediment-yield data from northern Arizona, (2) an empirical relation developed by Renard (1972)...
Authors
Robert Webb, Peter G. Griffiths, Daniel R. Hartley
Road log and stop descriptions; Day 1, Stop 3; Yards Creek pump-storage generating station; regional geology-Ordovician-Silurian unconformity, Taconic/Alleghanian deformation, and origin of slaty cleavage Road log and stop descriptions; Day 1, Stop 3; Yards Creek pump-storage generating station; regional geology-Ordovician-Silurian unconformity, Taconic/Alleghanian deformation, and origin of slaty cleavage
No abstract available.
Authors
Jack B. Epstein
Road log and stop descriptions; Day 1, Stop 2; Cold Air Cave Road log and stop descriptions; Day 1, Stop 2; Cold Air Cave
No abstract available.
Authors
Mitzi Kaiura, Jack B. Epstein
Use of the USDA Forest Service Geographic Information System for determining cover type use by white-tailed deer Use of the USDA Forest Service Geographic Information System for determining cover type use by white-tailed deer
Cover type use by white-tailed deer (Odocoileus virginianus dacotensis) in the central Black Hills of South Dakota was compared to the United States Department of Agriculture (USDA) Forest Service digital data using a Geographic Information System (GIS). Cover types were determined from observations of radiocollared deer and random locations and from corresponding point locations in the...
Authors
Christopher S. DePerno, Jonathan A. Jenks, Steven L. Griffin, Robert W. Klaver
RESIS–II — Making the reservoir survey information system complete and user friendly RESIS–II — Making the reservoir survey information system complete and user friendly
No abstract available.
Authors
Robert F. Stallard, David M. Mixon, David A. Kinner, Bruce B. Worstell
Distribution and characteristics of multi-sourced shock-metamorphosed quartz grains, Late Devonian Alamo Impact, Nevada Distribution and characteristics of multi-sourced shock-metamorphosed quartz grains, Late Devonian Alamo Impact, Nevada
No abstract available.
Authors
J. R. Morrow, C. A. Sandberg
Gas hydrate in seafloor sediments: Impact on future resources and drilling safety Gas hydrate in seafloor sediments: Impact on future resources and drilling safety
Gas hydrate concentrates methane and sometimes other gases in its crystal lattice and this gas can be released intentionally creating a resource or escape accidentally forming a hazard. The densest accumulations of gas hydrate tend to occur at sites where the base of the gas hydrate stability zone (commonly the upper several hundred m of the sedimentary section) is configured to trap gas...
Authors
William P. Dillon, Michael D. Max
Magnetostratigraphy of the Eocene-Oligocene San Lorenzo and Vaqueros Formations, Santa Cruz Mountains, California: Implications for California biostratigraphic zonations Magnetostratigraphy of the Eocene-Oligocene San Lorenzo and Vaqueros Formations, Santa Cruz Mountains, California: Implications for California biostratigraphic zonations
No abstract available.
Authors
D.R. Prothero, Joey Sutton, E. E. Brabb
Lunar orbiter digitization and cartographic processing Lunar orbiter digitization and cartographic processing
Digitization and cartographic processing of 5 Lunar Orbiter (LO) IV frames (109H, 110H, 114H, 115H, and 114M) are now complete, and these data are available online at http://wwwflag.wr.usgs.gov/USGSFlag/Space/LunarOrbiter/lunorbWebtop.html. Coverage ofthese data extends from Eratosthenes crater on the west to Mare Serenitatis in the east, and from Aristoteles crater in the north to Rima...
Authors
Lisa R. Gaddis, Tammy L. Becker, Tracie L. Sucharski, A. Gitlin, Randolph L. Kirk, Elpitha Howington-Kraus
Validation of the USGS sensor model for topographic mapping of Venus using Magellan radar stereoimagery Validation of the USGS sensor model for topographic mapping of Venus using Magellan radar stereoimagery
The Magellan spacecraft went into Venus orbit in 1990 and by 1992 had made three complete cycles of polar orbits, each cycle covering the full range of longitudes. During this time the spacecraft obtained synthetic aperture radar (SAR) images of >96% of the planet at a resolution of 75 m/pixel. Images taken with a decreased look angle from vertical, primarily during Cycle 3, provide...
Authors
Elpitha Howington-Kraus, Randolph L. Kirk, Donna M. Galuszka, Trent M. Hare, Bonnie L. Redding
High resolution digital elevation models of Mars from MOC Narrow Angle stereoimages High resolution digital elevation models of Mars from MOC Narrow Angle stereoimages
In this abstract we report on our initial experiences performing stereotopographic mapping of Mars with high-resolution images from the Mars Global Surveyor Mars Orbiter Camera Narrow-Angle subsystem (MGS MOC-NA; [1]). Accurate topographic information, and, in particular, high-resolution digital elevation models (DEMs) are of intense interest at all phases of Mars exploration and...
Authors
Randolph L. Kirk, Elpitha Howington-Kraus, Brent A. Archinal