Practical guidelines to select and scale earthquake records for nonlinear response history analysis of structures
Erol Kalkan, Anil K. Chopra
2010, Open-File Report 2010-1068
Earthquake engineering practice is increasingly using nonlinear response history analysis (RHA) to demonstrate performance of structures. This rigorous method of analysis requires selection and scaling of ground motions appropriate to design hazard levels. Presented herein is a modal-pushover-based scaling (MPS) method to scale ground motions for use in nonlinear...
Three-dimensional geologic model of the Arbuckle-Simpson aquifer, south-central Oklahoma
Jason R. Faith, Charles D. Blome, Michael P. Pantea, James O. Puckette, Todd Halihan, Noel Osborn, Scott Christenson, Skip Pack
2010, Open-File Report 2010-1123
The Arbuckle-Simpson aquifer of south-central Oklahoma encompasses more than 850 square kilometers and is the principal water resource for south-central Oklahoma. Rock units comprising the aquifer are characterized by limestone, dolomite, and sandstones assigned to two lower Paleozoic units: the Arbuckle and Simpson Groups. Also considered to be part of...
Surficial geology of the sea floor in Long Island Sound offshore of Plum Island, New York
K. Y. McMullen, L. J. Poppe, W. W. Danforth, D.S. Blackwood, J. D. Schaer, A.J. Ostapenko, K.A. Glomb, E. F. Doran
2010, Open-File Report 2010-1005
The U.S. Geological Survey (USGS), the Connecticut Department of Environmental Protection, and the National Oceanic and Atmospheric Administration (NOAA) have been working cooperatively to interpret surficial sea-floor geology along the coast of the Northeastern United States. NOAA survey H11445 in eastern Long Island Sound, offshore of Plum Island, New York,...
Environmental flow studies of the Fort Collins Science Center— Cherry Creek, Arizona
Terry J. Waddle, Ken D. Bovee
2010, Open-File Report 2009-1272
At the request of the U.S. Forest Service, an instream flow assessment was conducted at Cherry Creek, Ariz., to investigate habitat for native and introduced fish species and to describe the beneficial use of a possible instream flow water right. The U.S. Geological Survey (USGS) Fort Collins Science Center performed...
Public Review Draft: A Method for Assessing Carbon Stocks, Carbon Sequestration, and Greenhouse-Gas Fluxes in Ecosystems of the United States Under Present Conditions and Future Scenarios
Brian A. Bergamaschi, Richard Bernknopf, David Clow, Dennis Dye, Stephen Faulkner, William Forney, Robert Gleason, Todd Hawbaker, Jinxun Liu, Shu-Guang Liu, Stephen Prisley, Bradley Reed, Matthew Reeves, Matthew Rollins, Benjamin Sleeter, Terry Sohl, Sarah Stackpoole, Stephen Stehman, Robert G. Striegl, Anne Wein, Zhi-Liang Zhu
Zhi-Liang Zhu, editor(s)
2010, Open-File Report 2010-1144
The Energy Independence and Security Act of 2007 (EISA), Section 712, authorizes the U.S. Department of the Interior to develop a methodology and conduct an assessment of the Nation's ecosystems focusing on carbon stocks, carbon sequestration, and emissions of three greenhouse gases (GHGs): carbon dioxide, methane, and nitrous oxide. The...
Thermal Imaging of the Waccasassa Bay Preserve: Image Acquisition and Processing
Ellen A. Raabe, Elzbieta Bialkowska-Jelinska
2010, Open-File Report 2010-1120
Thermal infrared (TIR) imagery was acquired along coastal Levy County, Florida, in March 2009 with the goal of identifying groundwater-discharge locations in Waccasassa Bay Preserve State Park (WBPSP). Groundwater discharge is thermally distinct in winter when Floridan aquifer temperature, 71-72 degrees F, contrasts with the surrounding cold surface waters. Calibrated...
A Review of Aeromagnetic Anomalies in the Sawatch Range, Central Colorado
Viki Bankey
2010, Open-File Report 2010-1095
This report contains digital data and image files of aeromagnetic anomalies in the Sawatch Range of central Colorado. The primary product is a data layer of polygons with linked data records that summarize previous interpretations of aeromagnetic anomalies in this region. None of these data files and images are new;...
Initial Results from a Study of Climatic Changes and the Effect on Wild Sheep Habitat in Selected Study Areas of Alaska
Edwin Pfeifer, Jana Ruhlman, Barry Middleton, Dennis Dye, Alex Acosta
2010, Open-File Report 2010-1135
Climate change theorists have projected striking changes in local weather on earth due to increases in temperature. These predicted changes may cause melting glaciers and ice caps, rising sea levels, increasing desertification and other environmental changes which seem likely to affect presumed indicator species as harbingers of more significant changes....
Historical Zinc Smelting in New Jersey, Pennsylvania, Virginia, West Virginia, and Washington, D.C., with Estimates of Atmospheric Zinc Emissions and Other Materials
Donald I. Bleiwas, Carl DiFrancesco
2010, Open-File Report 2010-1131
The metallurgical industry can be broadly divided into metal production from feedstock consisting of primary and secondary sources. Primary production refers to the extraction of metal derived from ores and concentrates. Secondary production refers to the recovery of metal from materials such as alloys, electric arc furnace dust, ingots, and...
Detailed Sections from Auger Holes in the Emporia 1:100,000-Scale Quadrangle, North Carolina and Virginia
Robert E. Weems, J. Stephen Schindler, William C. Lewis
2010, Open-File Report 2010-1121
The Emporia 1:100,000-scale quadrangle straddles the Tidewater Fall Line in southern Virginia and includes a small part of northernmost North Carolina. Sediments of the coastal plain underlie the eastern three-fifths of this area. These sediments onlap crystalline basement rocks toward the west and dip gently to the east, reaching a...
Sediment-transport during three controlled-flood experiments on the Colorado River downstream from Glen Canyon Dam, with implications for eddy-sandbar deposition in Grand Canyon National Park
David J. Topping, David M. Rubin, Paul E. Grams, Ronald E. Griffiths, Thomas A. Sabol, Nicholas Voichick, Robert B. Tusso, Karen M. Vanaman, Richard R. McDonald
2010, Open-File Report 2010-1128
Three large-scale field experiments were conducted on the Colorado River downstream from Glen Canyon Dam in 1996, 2004, and 2008 to evaluate whether artificial (that is, controlled) floods released from the dam could be used in conjunction with the sand supplied by downstream tributaries to rebuild and sustainably maintain eddy...
Floods of May and June 2008 in Iowa
Robert C. Buchmiller, David A. Eash
2010, Open-File Report 2010-1096
An unusually wet winter and spring of 2007 to 2008 resulted in extremely wet antecedent conditions throughout most of Iowa. Rainfall of 5 to 15 inches was observed in eastern Iowa during May 2008, and an additional 5 to 15 inches of rain was observed throughout most of Iowa in...
Neosho madtom and other ictalurid populations in relation to hydrologic characteristics of an impounded Midwestern warmwater stream: Update
Janice L. Bryan, Mark L. Wildhaber, William B. Leeds, Rima Dey
2010, Open-File Report 2010-1109
The Neosho madtom, Noturus placidus, is a small (less than 75 millimeters in total length) ictalurid that is native to the main stems of the Neosho and Cottonwood Rivers in Kansas and Oklahoma and the Spring River in Kansas and Missouri. The Neosho madtom was federally listed as threatened by...
A probabilistic assessment methodology for the evaluation of geologic carbon dioxide storage
Sean T. Brennan, Robert A. Burruss, Matthew D. Merrill, Philip A. Freeman, Leslie F. Ruppert
2010, Open-File Report 2010-1127
In 2007, the Energy Independence and Security Act (Public Law 110-140) authorized the U.S. Geological Survey (USGS) to conduct a national assessment of potential geologic storage resources for carbon dioxide (CO2) in cooperation with the U.S. Environmental Protection Agency and the U.S. Department of Energy. The first year of that...
Seismicity of the Earth 1900-2010, Aleutian arc and vicinity
Harley M. Benz, Matthew Herman, Arthur C. Tarr, Gavin P. Hayes, Kevin P. Furlong, Antonio Villaseñor, Richard L. Dart, Susan Rhea
2010, Open-File Report 2010-1083-B
This map shows details of the Aleutian arc not visible in an earlier publication. The Aleutian arc extends about 3,000 km from the Gulf of Alaska to the Kamchatka Peninsula. It marks the region where the Pacific plate subducts into the mantle beneath the North America plate. This subduction is...
Evaluation of Water Year 2011 Glen Canyon Dam Flow Release Scenarios on Downstream Sand Storage along the Colorado River in Arizona
Scott Wright, Paul E. Grams
2010, Open-File Report 2010-1133
This report describes numerical modeling simulations of sand transport and sand budgets for reaches of the Colorado River below Glen Canyon Dam. Two hypothetical Water Year 2011 annual release volumes were each evaluated with six hypothetical operational scenarios. The six operational scenarios include the current operation, scenarios with modifications to...
Karst map of Puerto Rico
2010, Open-File Report 2010-1104
This map is a digital compilation, combining the mapping of earlier geologists. Their work, cited on the map, contains more detailed descriptions of karst areas and landforms in Puerto Rico. This map is the basis for the Puerto Rico part of a new national karst map currently being compiled by...
Integrated Multibeam and LIDAR Bathymetry Data Offshore of New London and Niantic, Connecticut
L. J. Poppe, W. W. Danforth, K. Y. McMullen, Castle E. Parker, P.G. Lewit, E. F. Doran
2010, Open-File Report 2009-1231
Nearshore areas within Long Island Sound are of great interest to the Connecticut and New York research and resource management communities because of their ecological, recreational, and commercial importance. Although advances in multibeam echosounder technology permit the construction of high-resolution representations of sea-floor topography in deeper waters, limitations inherent in...
Geological Impacts and Sedimentary Record of the February 27, 2010, Chile Tsunami-La Trinchera to Concepcion
Robert A. Morton, Mark L. Buckley, Guy Gelfenbaum, Bruce M. Richmond, Adriano Cecioni, Osvaldo Artal, Constanza Hoffmann, Felipe Perez
2010, Open-File Report 2010-1116
The February 27, 2010, Chilean tsunami substantially altered the coastal landscape and left a permanent depositional record that may be preserved at many locales along the central coast of Chile. From April 24 to May 2, 2010, a team of U.S. Geological Survey (USGS) and Chilean scientists examined the geological...
Estimated minimum discharge rates of the Deepwater Horizon spill— Interim report to the flow rate technical group from the Mass Balance Team
Victor F. Labson, Roger N. Clark, Gregg A. Swayze, Todd M. Hoefen, Raymond F. Kokaly, K. Eric Livo, Michael H. Powers, Geoffrey S. Plumlee, Gregory P. Meeker
2010, Open-File Report 2010-1132
All of the calculations and results in this report are preliminary and intended for the purpose, and only for the purpose, of aiding the incident team in assessing the extent of the spilled oil for ongoing response efforts. Other applications of this report are not authorized and are not considered...
Preliminary Aeromagnetic Map of Joshua Tree National Park and Vicinity, Southern California
V.E. Langenheim, P. L. Hill
2010, Open-File Report 2010-1070
This aeromagnetic map of Joshua Tree National Park and vicinity is intended to promote further understanding of the geology and structure in the region by serving as a basis for geophysical interpretations and by supporting geological mapping, water-resource investigations, and various topical studies. Local spatial variations in the Earth's magnetic...
The power to detect trends in Missouri River fish populations within the Pallid Sturgeon Population Assessment Program
Janice L. Bryan, Mark L. Wildhaber, Dan Gladish, Scott Holan, Mark Ellerseick
2010, Open-File Report 2010-1020
As with all large rivers in the United States, the Missouri River has been altered, with approximately 32.5 percent of the main stem length impounded and 32.5 percent channelized. These physical alterations to the environment have had effects on the fisheries, but studies examining the effects of alterations have been...
Evidence of envronmental change in Rankin basin, Central Florida Bay, Everglades National Park
James B. Murray, Thomas M. Cronin, G. Lynn Wingard, William H. Orem, Debra A. Willard, Charles W. Holmes, Christopher D. Reich, Eugene Shinn, Marci E. Marot, Terry Lerch, Carleigh A. Trappe, Bryan Landacre
2010, Open-File Report 2010-1125
Analyses of core GLBW601 RL1 collected in Rankin Basin, Florida Bay, Everglades National Park, in June 2001 indicate that significant environmental changes occurred at the site over the last two centuries. The core was collected at a site of documented seagrass die-off in 1987-1988. The purpose of this study was...
Hurricane Influences on Vegetation Community Change in Coastal Louisiana
Gregory D. Steyer, Kari Foster Cretini, Sarai C. Piazza, Leigh A. Sharp, Gregg A. Snedden, Sijan Sapkota
2010, Open-File Report 2010-1105
The impacts of Hurricanes Katrina and Rita in 2005 on wetland vegetation were investigated in Louisiana coastal marshes. Vegetation cover, pore-water salinity, and nutrients data from 100 marsh sites covering the entire Louisiana coast were sampled for two consecutive growing seasons after the storms. A mixed-model nested ANOVA with Tukey's...
Coastal Change on Gulf Islands National Seashore during Hurricane Gustav: West Ship, East Ship, Horn, and Petit Bois Islands
Hilary F. Stockdon, Kara S. Doran, Katherine A. Serafin
2010, Open-File Report 2010-1090
INTRODUCTION Hurricane Gustav made landfall on September 1, 2008, near Cocodrie, Louisiana, as a category 2 storm, with maximum sustained winds near 170 km/hr. Hurricane-force winds, with speeds in excess of 119 km/hr, extended along 270 km of the Louisiana coastline, from Marsh Island to the central barrier islands. Tropical-storm-force winds...
