Broad accommodation of rift-related extension recorded by dyke intrusion in Saudi Arabia
John S. Pallister, Wendy A. McCausland, Sigurjon Jonsson, Zhong Lu, Hani M. Zahran, Salah El Hadidy, Abdallah Aburukbah, Ian C.F. Stewart, Paul R. Lundgren, Randall A. White, Mohammed R. H. Moufti
2010, Nature Geoscience (3) 705-712
The extensive harrat lava province of Arabia formed during the past 30 million years in response to Red Sea rifting and mantle upwelling. The area was regarded as seismically quiet, but between April and June 2009 a swarm of more than 30,000 earthquakes struck one of...
Earth as art three
Water Resources Division, U.S. Geological Survey
2010, General Information Product 111
For most of us, deserts, mountains, river valleys, coastlines even dry lakebeds are relatively familiar features of the Earth's terrestrial environment. For earth scientists, they are the focus of considerable scientific research. Viewed from a unique and unconventional perspective, Earth's geographic attributes can also be a surprising source of awe-inspiring...
Chemical analyses in the World Coal Quality Inventory
Susan J. Tewalt, Harvey E. Belkin, John R. SanFilipo, Matthew D. Merrill, Curtis A. Palmer, Peter D. Warwick, Alexander W. Karlsen, Robert B. Finkelman, Andy J. Park
2010, Open-File Report 2010-1196
The main objective of the World Coal Quality Inventory (WoCQI) was to collect and analyze a global set of samples of mined coal during a time period from about 1995 to 2006 (Finkelman and Lovern, 2001). Coal samples were collected by foreign collaborators and submitted to country specialists in the...
Geology and assessment of undiscovered oil and gas resources in Mesozoic (Jurassic and Cretaceous) rocks of the onshore and state waters of the Gulf of Mexico Region, U.S.A
Russell F. Dubiel, Peter D. Warwick, Laura R Biewick, Lauri A. Burke, James L. Coleman, Kristin O. Dennen, Colin A. Doolan, Catherine B. Enomoto, Paul C. Hackley, Alexander W. Karlsen, Matthew D. Merrill, Krystal M. Pearson, Ofori N. Pearson, Janet K. Pitman, Richard M. Pollastro, Elisabeth L. Rowan, Sharon M. Swanson, Brett J. Valentine
2010, Gulf Coast Association of Geological Societies Transactions (60) 207-216
The U.S. Geological Survey (USGS) is in the final phase of the most recent assessment of the undiscovered technically recoverable oil and gas resources of the U.S. Gulf of Mexico coastal plain and state waters. Ongoing geologic, geochemical, and petrophysical framework studies have defined the total petroleum systems and assessment...
Temperature trends and preservation rates in the Deep Tuscaloosa Formation, Judge Digby Field, Louisiana
Lauri A. Burke
2010, Gulf Coast Association of Geological Societies Transactions (60) 77-86
Judge Digby Field in Pointe Coupe Parish, Louisiana, exhibits some of the highest cumulative natural gas production from the lower Tuscaloosa Formation (Upper Cretaceous) in the Gulf Coast. The average production depth in Judge Digby Field is approximately 22,000 ft. The 400°F temperatures typically encountered at depth in Judge Digby...
The quality of our nation's waters: Nutrients in the nation's streams and groundwater, 1992-2004
Neil M. Dubrovsky, Karen R. Burow, Gregory M. Clark, JoAnn M. Gronberg, Pixie A. Hamilton, Kerie J. Hitt, David K. Mueller, Mark D. Munn, Bernard T. Nolan, Larry J. Puckett, Michael G. Rupert, Terry M. Short, Norman E. Spahr, Lori A. Sprague, William G. Wilber
2010, Circular 1350
National Findings and Their ImplicationsAlthough the use of artificial fertilizer has supported increasing food production to meet the needs of a growing population, increases in nutrient loadings from agricultural and, to a lesser extent, urban sources have resulted in nutrient concentrations in many streams and parts of aquifers that exceed...
Coastal-change and glaciological map of the Ross Island area, Antarctica
Jane G. Ferrigno, Kevin M. Foley, Charles Swithinbank, Richard S. Williams Jr.
2010, IMAP 2600-I
Reduction in the area and volume of Earth?s two polar ice sheets is intricately linked to changes in global climate and to the resulting rise in sea level. Measurement of changes in area and mass balance of the Antarctic ice sheet was given a very high priority in recommendations by...
Nutrients in the nation's streams and groundwater: National findings and implications
Neil M. Dubrovsky, Pixie A. Hamilton
2010, Fact Sheet 2010-3078
A comprehensive national analysis of the distribution and trends of nutrient concentrations in streams and groundwater from 1992 through 2004 is provided by the National Water-Quality Assessment (NAWQA) Program of the United States Geological Survey (USGS). Findings describe the distribution and causes of varying nutrient concentrations in streams and groundwater...
Characterization of suspended solids and total phosphorus loadings from small watersheds in Wisconsin
Mari E. Danz, Steven R. Corsi, David J. Graczyk, Roger T. Bannerman
2010, Scientific Investigations Report 2010-5039
Knowledge of the daily, monthly, and yearly distribution of contaminant loadings and streamflow can be critical for the successful implementation and evaluation of water-quality management practices. Loading data for solids (suspended sediment and total suspended solids) and total phosphorus and streamflow data for 23 watersheds were summarized for four ecoregions...
Accuracy of EAARL lidar ground elevations using a bare-earth algorithm in marsh and beach grasses on the Chandeleur Islands, Louisiana
Kara S. Doran, Asbury H. Sallenger Jr., Billy J. Reynolds, C. Wayne Wright
2010, Open-File Report 2010-1163
The NASA Experimental Advanced Airborne Lidar (EAARL) is an airborne lidar (light detection and ranging) instrument designed to map coastal topography and bathymetry. The EAARL system has the capability to capture each laser-pulse return over a large signal range and can digitize the full waveform of the backscattered energy. Because...
Approach, passage, and survival of juvenile salmonids at Little Goose Dam, Washington: Post-construction evaluation of a temporary spillway weir, 2009
J.W. Beeman, A.C. Braatz, H.C. Hansel, S.D. Fielding, P.V. Haner, G.S. Hansen, D.J. Shurtleff, J.M. Sprando, D.W. Rondorf
2010, Open-File Report 2010-1224
This report describes a study of dam passage and survival of radio-tagged juvenile salmonids after installation of a temporary spillway weir (TSW) at Little Goose Dam, Washington, in 2009. The purpose of the study was to document fish passage and survival when the dam was operated with the TSW in...
Development and analysis of a meteorological database, Argonne National Laboratory, Illinois
Thomas M. Over, Thomas H. Price, Audrey L. Ishii
2010, Open-File Report 2010-1220
A database of hourly values of air temperature, dewpoint temperature, wind speed, and solar radiation from January 1, 1948, to September 30, 2003, primarily using data collected at the Argonne National Laboratory station, was developed for use in continuous-time hydrologic modeling in northeastern Illinois. Missing and apparently erroneous data values...
Bathymetry and absorptivity of Titan's Ontario Lacus
A. G. Hayes, A.S. Wolf, O. Aharonson, H. Zebker, R. Lorenz, R. L. Kirk, P. Paillou, J. Lunine, L. Wye, P. Callahan, S. Wall, C. Elachi
2010, Journal of Geophysical Research E: Planets (115)
Ontario Lacus is the largest and best characterized lake in Titan's south polar region. In June and July 2009, the Cassini RADAR acquired its first Synthetic Aperture Radar (SAR) images of the area. Together with closest approach altimetry acquired in December 2008, these observations provide a unique opportunity to...
Water levels and selected water-quality conditions in the Mississippi River Valley alluvial aquifer in Eastern Arkansas, 2008
T.P. Schrader
2010, Scientific Investigations Report 2010-5140
During the spring of 2008, the U.S. Geological Survey, in cooperation with the Arkansas Natural Resources Commission and the Arkansas Geological Survey, measured 670 water levels in 659 wells completed in the Mississippi River Valley alluvial aquifer in eastern Arkansas. Groundwater levels are affected by groundwater withdrawals resulting in potentiometric-surface...
Land-cover change in the Ozark Highlands, 1973-2000
Krista A. Karstensen
2010, Open-File Report 2010-1198
Led by the Geographic Analysis and Monitoring Program of the U.S. Geological Survey (USGS) in collaboration with the U.S. Environmental Protection Agency (EPA) and the National Aeronautics and Space Administration (NASA), the Land-Cover Trends Project was initiated in 1999 and aims to document the types, geographic distributions, and rates of...
Water quality and hydrology of the Silver River Watershed, Baraga County, Michigan, 2005-08
Thomas L. Weaver, Daniel J. Sullivan, Cynthia M. Rachol, James M. Ellis
2010, Scientific Investigations Report 2010-5050
The Silver River Watershed comprises about 69 square miles and drains part of northeastern Baraga County, Michigan. For generations, tribal members of the Keweenaw Bay Indian Community have hunted and fished in the watershed. Tribal government and members of Keweenaw Bay Indian Community are concerned about the effect of any...
Estimates of groundwater age from till and carbonate bedrock hydrogeologic units at Jefferson Proving Ground, Southeastern Indiana, 2007-08
Paul M. Buszka, David C. Lampe, Amanda L. Egler
2010, Scientific Investigations Report 2010-5178
During 2007-08, the U.S. Geological Survey, in cooperation with the U.S. Department of the Army, conducted a study to evaluate the relative age of groundwater in Pre-Wisconsinan till and underlying shallow and deep carbonate bedrock units in and near an area at Jefferson Proving Ground (JPG), southeastern Indiana, which was...
Stream-sediment samples reanalyzed for major, rare earth, and trace elements from seven 1:250,000-scale quadrangles, south-central Alaska, 2007-09
Bruce M. Gamble, Elizabeth A. Bailey, Nora B. Shew, Keith A. Labay, Jeanine M. Schmidt, Richard M. O’Leary, David E. Detra
2010, Data Series 532
During the 1960s through the 1980s, the U.S. Geological Survey conducted reconnaissance geochemical surveys of drainage basins throughout most of the Iliamna, Lake Clark, Lime Hills, and Talkeetna 1:250,000-scale quadrangles and parts of the McGrath, Seldovia, and Tyonek 1:250,000-scale quadrangles in Alaska. These geochemical surveys provide data necessary to assess...
Estimates for self-supplied domestic withdrawals and population served for selected principal aquifers, calendar year 2005
Molly A. Maupin, Terri Arnold
2010, Open-File Report 2010-1223
The National Water-Quality Assessment Program of the U.S. Geological Survey has groundwater studies that focus on water-quality conditions in principal aquifers of the United States. The Program specifically focuses on aquifers that are important to public supply, domestic, and other major uses. Estimates for self-supplied domestic withdrawals and the population...
Methods for estimating the magnitude and frequency of peak streamflows for unregulated streams in Oklahoma
Jason M. Lewis
2010, Scientific Investigations Report 2010-5137
Peak-streamflow regression equations were determined for estimating flows with exceedance probabilities from 50 to 0.2 percent for the state of Oklahoma. These regression equations incorporate basin characteristics to estimate peak-streamflow magnitude and frequency throughout the state by use of a generalized least squares regression analysis. The most statistically significant independent...
Endocrine active chemicals and endocrine disruption in Minnesota streams and lakes: Implications for aquatic resources, 1994-2008
Kathy Lee, Heiko L. Schoenfuss, Larry B. Barber, Jeff H. Writer, Vicki Blazer, Richard L. Keisling, Mark L. Ferrey
2010, Scientific Investigations Report 2010-5107
The U.S. Geological Survey, in cooperation with St. Cloud State University, Minnesota Department of Health, Minnesota Pollution Control Agency, Minnesota Department of Natural Resources, Metropolitan Council Environmental Services, and the University of Minnesota, has conducted field monitoring studies and laboratory research to determine the presence of endocrine active chemicals and...
Temperature data from wells in Long Valley Caldera, California
Christopher Farrar, Jacob DeAngelo, Colin Williams, Frederick Grubb, Shaul Hurwitz
2010, Data Series 523
The 30-by-20-km Long Valley Caldera (LVC) in eastern California (fig.1) formed at 0.76 Ma in a cataclysmic eruption that resulted in the deposition of 600 km? of Bishop Tuff outside the caldera rim (Bailey, 1989). By approximately 0.6 Ma, uplift of the central part of the caldera floor and eruption...
Dependence of frictional strength on compositional variations of Hayward fault rock gouges
Carolyn A. Morrow, Diane E. Moore, David A. Lockner
2010, Open-File Report 2010-1184
The northern termination of the locked portion of the Hayward Fault near Berkeley, California, is found to coincide with the transition from strong Franciscan metagraywacke to melange on the western side of the fault. Both of these units are juxtaposed with various serpentinite, gabbro and graywacke units to the east,...
MATLAB tools for improved characterization and quantification of volcanic incandescence in Webcam imagery: Applications at Kilauea Volcano, Hawai'i
Matthew R. Patrick, James P. Kauahikaua, Loren Antolik
2010, Techniques and Methods 13-A1
Webcams are now standard tools for volcano monitoring and are used at observatories in Alaska, the Cascades, Kamchatka, Hawai‘i, Italy, and Japan, among other locations. Webcam images allow invaluable documentation of activity and provide a powerful comparative tool for interpreting other monitoring datastreams, such as seismicity and deformation. Automated image...
Space geodetic data improve seismic hazard assessment in California: Workshop on incorporating geodetic surface deformation data Into UCERF3; Pomona, California, 1–2 April 2010
E.H. Hearn, K. Johnson, Wayne R. Thatcher
2010, Eos Science News (91) 336-336
A workshop was held to begin scientific consideration of how to incorporate space geodetic constraints on strain rates and fault slip rates into the next generation Uniform California Earthquake Rupture Forecast, version 3 (UCERF3), due to be completed in mid-2012. Principal outcomes of the meeting were (1) an assessment of...
