Gulf of Mexico Climate-History Calibration Study
Jessica W. Spear, Richard Z. Poore
2010, Fact Sheet 2010-3044
Reliable instrumental records of past climate are available for about the last 150 years only. To supplement the instrumental record, reconstructions of past climate are made from natural recorders such as trees, ice, corals, and microfossils preserved in sediments. These proxy records provide information on the rate and magnitude of...
Use of semipermeable membrane devices (SPMDs) in petroleum polluted waters
David A. Alvarez
2010, Fact Sheet 2010-3051
Passive samplers, in particular semipermeable membrane devices (SPMDs), can be used in monitoring petroleum spills. This document is intended to provide a brief discussion of issues surrounding the use and capabilities of the SPMD....
U.S. Geological Survey Streamgage Operation and Maintenance Cost Evaluation...from the National Streamflow Information Program
J. Michael Norris
2010, Fact Sheet 2010-3025
To help meet the goal of providing earth-science information to the Nation, the U.S. Geological Survey (USGS) operates and maintains the largest streamgage network in the world, with over 7,600 active streamgages in 2010. This network is operated in cooperation with over 850 Federal, tribal, State, and local funding partners....
Estuaries of the Greater Everglades Ecosystem: Laboratories of Long-term Change
G.L. Wingard, J.W. Hudley, F.E. Marshall
2010, Fact Sheet 2010-3047
Restoring the greater Everglades ecosystem of south Florida is arguably the largest ecosystem restoration effort to date. A critical goal is to return more natural patterns of flow through south Florida wetlands and into the estuaries, but development of realistic targets requires acknowledgement that ecosystems are constantly evolving and changing...
In-Place Oil Shale Resources Underlying Federal Lands in the Piceance Basin, Western Colorado
Tracey J. Mercier, Ronald C. Johnson, Michael E. Brownfield, Jesse G. Self
2010, Fact Sheet 2010-3041
Using a geologic-based assessment methodology, the U.S. Geological Survey estimated an in-place oil shale resource of 1.07 trillion barrels under Federal mineral rights, or 70 percent of the total oil shale in place, in the Piceance Basin, Colorado. More than 67 percent of the total oil shale in-place resource, or...
Geospatial Information Response Team
Emitt C. Witt III
2010, Fact Sheet 2010-3039
Extreme emergency events of national significance that include manmade and natural disasters seem to have become more frequent during the past two decades. The Nation is becoming more resilient to these emergencies through better preparedness, reduced duplication, and establishing better communications so every response and recovery effort saves lives and...
Visualizing NetCDF Files by Using the EverVIEW Data Viewer
Craig Conzelmann, Stephanie S. Romañach
2010, Fact Sheet 2010-3046
Over the past few years, modelers in South Florida have started using Network Common Data Form (NetCDF) as the standard data container format for storing hydrologic and ecologic modeling inputs and outputs. With its origins in the meteorological discipline, NetCDF was created by the Unidata Program Center at the University...
Topographic Science
Sandra K. Poppenga, Gayla Evans, Dean Gesch, Jason M. Stoker, Vivian R. Queija, Bruce Worstell, Dean J. Tyler, Jeff Danielson, Norman Bliss, Susan Greenlee
2010, Fact Sheet 2010-3049
The mission of U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center Topographic Science is to establish partnerships and conduct research and applications that facilitate the development and use of integrated national and global topographic datasets. Topographic Science includes a wide range of research and applications that result...
Assessment of undiscovered natural gas resources of the Arkoma Basin province and geologically related areas
David W. Houseknecht, James L. Coleman Jr., Robert C. Milici, Christopher P. Garrity, William A. Rouse, Bryant R. Fulk, Stanley T. Paxton, Marvin M. Abbott, John L. Mars, Troy A. Cook, Christopher J. Schenk, Ronald R. Charpentier, Timothy R. Klett, Richard M. Pollastro, Geoffrey S. Ellis
2010, Fact Sheet 2010-3043
Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean volumes of 38 trillion cubic feet (TCF) of undiscovered natural gas, 159 million barrels of natural gas liquid (MMBNGL), and no oil in accumulations of 0.5 million barrels (MMBO) or larger in the Arkoma Basin Province and related areas....
Availability of Groundwater Data for California, Water Year 2009
Mary Ray
2010, Fact Sheet 2010-3031
The U.S. Geological Survey, in cooperation with Federal, State, and local agencies, obtains a large amount of data pertaining to the groundwater resources of California each water year (October 1-September 30). These data constitute a valuable database for developing an improved understanding of the water resources of the State. This Fact...
Climate change and wildlife health: direct and indirect effects
Erik K. Hofmeister, Gail Moede Rogall, Katherine E. Wesenberg, Rachel C. Abbott, Thierry M. Work, Krysten Schuler, Jonathan M. Sleeman, James Winton
2010, Fact Sheet 2010-3017
Climate change will have significant effects on the health of wildlife, domestic animals, and humans, according to scientists. The Intergovernmental Panel on Climate Change projects that unprecedented rates of climate change will result in increasing average global temperatures; rising sea levels; changing global precipitation patterns, including increasing amounts and variability;...
Hydrology of Johnson Creek Basin, a Mixed-Use Drainage Basin in the Portland, Oregon, Metropolitan Area
John S. Williams, Karl K. Lee, Daniel T. Snyder
2010, Fact Sheet 2010-3030
Johnson Creek forms a wildlife and recreational corridor through densely populated areas of the Portland, Oregon, metropolitan area and through rural and agricultural land in unincorporated Multnomah and Clackamas Counties. Johnson Creek has had a history of persistent flooding and water-quality problems. The U.S. Geological Survey (USGS) has conducted streamflow...
Real Time Flood Alert System (RTFAS) for Puerto Rico
Dianne Lopez-Trujillo
2010, Fact Sheet 2010-3029
The Real Time Flood Alert System is a web-based computer program, developed as a data integration tool, and designed to increase the ability of emergency managers to rapidly and accurately predict flooding conditions of streams in Puerto Rico. The system includes software and a relational database to determine the spatial...
USGS Toxic Substances Hydrology Program, 2010
Herbert T. Buxton
2010, Fact Sheet 2010-3011
The U.S. Geological Survey (USGS) Toxic Substances Hydrology Program adapts research priorities to address the most important contamination issues facing the Nation and to identify new threats to environmental health. The Program investigates two major types of contamination problems: * Subsurface Point-Source Contamination, and * Watershed and Regional Contamination. Research...
A magnitude 7.1 earthquake in the Tacoma Fault Zone— A plausible scenario for the southern Puget Sound region, Washington
Joan Gomberg, Brian L. Sherrod, Craig Weaver, Art Frankel
2010, Fact Sheet 2010-3023
The U.S. Geological Survey and cooperating scientists have recently assessed the effects of a magnitude 7.1 earthquake on the Tacoma Fault Zone in Pierce County, Washington. A quake of comparable magnitude struck the southern Puget Sound region about 1,100 years ago, and similar earthquakes are almost certain to occur in...
Fort Collins Science Center- Policy Analysis and Science Assistance Branch : Integrating social, behavioral, economic and biological sciences
2010, Fact Sheet 2010-3038
The Fort Collins Science Center's Policy Analysis and Science Assistance (PASA) Branch is a team of approximately 22 scientists, technicians, and graduate student researchers. PASA provides unique capabilities in the U.S. Geological Survey by leading projects that integrate social, behavioral, economic, and biological analyses in the context of human-natural resource...
Landsat: A Global Land-Imaging Project
Rachel Headley
2010, Fact Sheet 2010-3026
Across nearly four decades since 1972, Landsat satellites continuously have acquired space-based images of the Earth's land surface, coastal shallows, and coral reefs. The Landsat Program, a joint effort of the U.S. Geological Survey (USGS) and the National Aeronautics and Space Administration (NASA), was established to routinely gather land imagery...
Assessment of In-Place Oil Shale Resources of the Green River Formation, Uinta Basin, Utah and Colorado
Ronald C. Johnson, Tracey J. Mercier, Michael E. Brownfield, Jesse G. Self
2010, Fact Sheet 2010-3010
Using a geology-based assessment methodology, the U.S. Geological Survey estimated a total of 1.32 trillion barrels of oil in place in 18 oil shale zones in the Eocene Green River Formation in the Uinta Basin, Utah and Colorado....
Filtering NetCDF Files by Using the EverVIEW Slice and Dice Tool
Craig Conzelmann, Stephanie S. Romañach
2010, Fact Sheet 2010-3035
Network Common Data Form (NetCDF) is a self-describing, machine-independent file format for storing array-oriented scientific data. It was created to provide a common interface between applications and real-time meteorological and other scientific data. Over the past few years, there has been a growing movement within the community of natural resource...
Facts About Invasive Bighead and Silver Carps
Duane Chapman
2010, Fact Sheet 2010-3033
The U.S. Geological Survey (USGS) scientists at the Columbia Environmental Research Center (CERC), Columbia, Missouri, carry out basic and applied research on the ecology of invasive fishes in the Missouri and Mississippi river basins. Emphasis is placed on improving understanding of the life cycles of bighead and silver carp to...
Assessment of Undiscovered Oil and Gas Resources of the Nile Delta Basin Province, Eastern Mediterranean
Mark A. Kirschbaum, Christopher J. Schenk, Ronald R. Charpentier, Timothy R. Klett, Michael E. Brownfield, Janet K. Pitman, Troy A. Cook, Marilyn E. Tennyson
2010, Fact Sheet 2010-3027
The U.S. Geological Survey estimated means of 1.8 billion barrels of recoverable oil, 223 trillion cubic feet of recoverable gas, and 6 billion barrels of natural gas liquids in the Nile Delta Basin Province using a geology-based assessment methodology....
U.S. Geological Survey (USGS) Western Region Kasatochi Volcano Coastal and Ocean Science
Anthony DeGange
2010, Fact Sheet 2010-3028
Alaska is noteworthy as a region of frequent seismic and volcanic activity. The region contains 52 historically active volcanoes, 14 of which have had at least one major eruptive event since 1990. Despite the high frequency of volcanic activity in Alaska, comprehensive studies of how ecosystems respond to volcanic eruptions...
California's BAY-DELTA: USGS Science Supports Decision Making
James Nickles, Kimberly Taylor, Roger Fujii
2010, Fact Sheet 2010-3032
U.S. Geological Survey (USGS) scientists are in the forefront of the effort to understand what causes changes in the hydrology, the ecology and the water quality of the Sacramento-San Joaquin River Delta and the San Francisco Bay estuary. Their scientific findings play a crucial role in how agencies manage the...
Why Study Paleoclimate?
Marci Robinson, Harry Dowsett
2010, Fact Sheet 2010-3021
U.S. Geological Survey (USGS) researchers are at the forefront of paleoclimate research, the study of past climates. With their unique skills and perspective, only geologists have the tools necessary to delve into the distant past (long before instrumental records were collected) in order to better understand global environmental conditions that...
Saltcedar (Tamarix spp.) and Russian Olive (Elaeagnus angustifolia) in the Western United States-A Report on the State of the Science
Patrick Shafroth
2010, Fact Sheet 2009-3110
The Salt Cedar and Russian Olive Control Demonstration Act of 2006 (Public Law 109-320) directs the Department of the Interior to submit a report to Congress that includes an assessment of several issues surrounding these two nonnative trees, now dominant components of the vegetation along many rivers in the Western...