Understanding earthquake hazards in urban areas - Evansville Area Earthquake Hazards Mapping Project
Oliver S. Boyd
2012, Fact Sheet 2012-3014
The region surrounding Evansville, Indiana, has experienced minor damage from earthquakes several times in the past 200 years. Because of this history and the proximity of Evansville to the Wabash Valley and New Madrid seismic zones, there is concern among nearby communities about hazards from earthquakes. Earthquakes currently cannot be...
Assessment of undiscovered oil and gas resources of the Amu Darya Basin and Afghan-Tajik Basin Provinces, Afghanistan, Iran, Tajikistan, Turkmenistan, and Uzbekistan, 2011
T. R. Klett, Christopher J. Schenk, Craig J. Wandrey, Ronald R. Charpentier, Michael E. Brownfield, Janet K. Pitman, Richard M. Pollastro, Troy A. Cook, Marilyn E. Tennyson
2012, Fact Sheet 2011-3154
Using a geology-based assessment methodology, the U.S. Geological Survey estimated volumes of undiscovered, technically recoverable, conventional petroleum resources for the Amu Darya Basin and Afghan–Tajik Basin Provinces of Afghanistan, Iran, Tajikistan, Turkmenistan, and Uzbekistan. The mean volumes were estimated at 962 million barrels of crude oil, 52 trillion cubic feet...
Phosphorus and groundwater: Establishing links between agricultural use and transport to streams
Joseph L. Domagalski, Henry Johnson
2012, Fact Sheet 2012-3004
Phosphorus is a highly reactive element that is essential for life and forms a variety of compounds in terrestrial and aquatic ecosystems. In water, phosphorus may be present as the orthophosphate ion (PO43-) and is also present in all life forms as an essential component of cellular material. In natural...
Monitoring floods and fires during the summer of 2011--The value of the Landsat satellite 40-year archives
Linda Owen
2012, Fact Sheet 2012-3006
The summer of 2011 proved to be a season of extreme events. Heavy snowfall in the western mountains and excessive spring rains caused flooding along the Missouri and Mississippi Rivers; whereas extended dry conditions enabled fires to rage out of control from Alaska and Canada, south to Texas, Arizona, New...
Changing Arctic ecosystems--research to understand and project changes in marine and terrestrial ecosystems of the Arctic
Joy Geiselman, Anthony R. DeGange, Karen Oakley, Dirk V. Derksen, Mary E. Whalen
2012, Fact Sheet 2011-3136
Ecosystems and their wildlife communities are not static; they change and evolve over time due to numerous intrinsic and extrinsic factors. A period of rapid change is occurring in the Arctic for which our current understanding of potential ecosystem and wildlife responses is limited. Changes to the physical environment include...
Watershed modeling applications in south Texas
Diana E. Pedraza, Darwin J. Ockerman
2012, Fact Sheet 2012-3005
Watershed models can be used to simulate natural and human-altered processes including the flow of water and associated transport of sediment, chemicals, nutrients, and microbial organisms within a watershed. Simulation of these processes is useful for addressing a wide range of water-resource challenges, such as quantifying changes in water availability...
The Palmyra Atoll Research Consortium
Thomas H. Suchanek
2012, Fact Sheet 2012-3002
Palmyra Atoll in the tropical Pacific is the site of some exciting work by scientists from a diverse collection of research institutions. The Palmyra Atoll Research Consortium (PARC) fosters collaborative multi- and inter-disciplinary research by U.S. Department of the Interior (DOI) agencies (USGS and U.S. Fish and Wildlife Service–USFWS), academic...
Assessment of potential shale gas resources of the Bombay, Cauvery, and Krishna-Godavari Provinces, India, 2011
Water Resources Division, U.S. Geological Survey
2012, Fact Sheet 2011-3131
Using a performance-based geologic assessment methodology, the U.S. Geological Survey estimated a technically recoverable mean volume of 6.1 trillion cubic feet of potential shale gas in the Bombay, Cauvery, and Krishna-Godavari Provinces of India....
Lidar vegetation mapping in national parks: Gulf Coast Network
John Brock, Monica Palaseanu-Lovejoy, Martha Segura
2011, Fact Sheet 2011-3137
Airborne lidar (Light Detection and Ranging) is an active remote sensing technique used to collect accurate elevation data over large areas. Lidar provides an extremely high level of regional topographic detail, which makes this technology an essential component of U.S. Geological Survey (USGS) science strategy. The USGS Coastal and Marine...
Streamflow of 2010--Water year summary
Jian Xiaodong, David M. Wolock, Harry F. Lins, Steve Brady
2011, Fact Sheet 2011-3043
The maps and graph in this summary describe streamflow conditions for water-year 2010 (October 1, 2009 to September 30, 2010) in the context of the 81-year period 1930-2010, unless otherwise noted. The illustrations are based on observed data from the U.S. Geological Survey's (USGS) National Streamflow Information Program. The period...
Assessment of undiscovered oil and gas resources of the North Sakhalin Basin Province, Russia, 2011
T. R. Klett, Christopher J. Schenk, Craig J. Wandrey, Ronald R. Charpentier, Michael E. Brownfield, Janet K. Pitman, Richard M. Pollastro, Troy A. Cook, Marilyn E. Tennyson
2011, Fact Sheet 2011-3149
Using a geology-based assessment methodology, the U.S. Geological Survey estimated volumes of undiscovered, technically recoverable, conventional petroleum resources for the North Sakhalin Basin Province of Russia. The mean volumes were estimated at 5.3 billion barrels of crude oil, 43.8 trillion cubic feet of natural gas, and 0.8 billion barrels of...
Newberry Volcano—Central Oregon’s sleeping giant
Julie M. Donnelly-Nolan, Wendy K. Stovall, David W. Ramsey, John W. Ewert, Robert A. Jensen
2011, Fact Sheet 2011-3145
Hidden in plain sight, Oregon's massive Newberry Volcano is the largest volcano in the Cascades volcanic arc and covers an area the size of Rhode Island. Unlike familiar cone-shaped Cascades volcanoes, Newberry was built into the shape of a broad shield by repeated eruptions over 500,000 years. About 65,000 years...
Response of lake chemistry to atmospheric deposition and climate in selected Class I wilderness areas in the western United States, 1993-2009
M. Alisa Mast
2011, Fact Sheet 2011-3084
The U.S. Geological Survey, in cooperation with the U.S. Department of Agriculture Forest Service, Air Resource Management, conducted a study to evaluate long-term trends in lake-water chemistry for 64 high-elevation lakes in selected Class I wilderness areas in Colorado, Idaho, Utah, and Wyoming during 1993 to 2009. Understanding how and...
Groundwater quality in the San Diego Drainages Hydrogeologic Province, California
Michael T. Wright, Kenneth Belitz
2011, Fact Sheet 2011-3111
More than 40 percent of California's drinking water is from groundwater. To protect this vital resource, the State of California created the Groundwater Ambient Monitoring and Assessment (GAMA) Program. The Priority Basin Project of the GAMA Program provides a comprehensive assessment of the State's groundwater quality and increases public access...
LandsatLook images
U.S. Geological Survey
2011, Fact Sheet 2011-3153
LandsatLook images are full resolution JPEG files derived from Landsat Level 1 data products. The images are compressed and stretched to create an image optimized for image selection and visual interpretation; it is not recommended that they be used in digital analysis....
Assessing the vulnerability of public-supply wells to contamination—Edwards aquifer near San Antonio, Texas
Martha L. Jagucki, MaryLynn Musgrove, Richard J. Lindgren, Lynne Fahlquist, Sandra M. Eberts
2011, Fact Sheet 2011-3142
This fact sheet highlights findings from the vulnerability study of a public-supply well field in San Antonio, Texas. The well field consists of six production wells that tap the Edwards aquifer. Typically, one or two wells are pumped at a time, yielding an average total of 20-21 million gallons per...
Historical streamflows of Double Mountain Fork of Brazos River and water-surface elevations of Lake Alan Henry, Garza County, Texas, water years 1962-2010
William H. Asquith, Joseph Vrabel
2011, Fact Sheet 2011-3147
The U.S. Geological Survey (USGS), in cooperation with the City of Lubbock, Texas, operates two surface-water stations in Garza County, Tex.: USGS streamflow-gaging station 08079600 Double Mountain Fork Brazos River at Justiceburg, Tex., and 08079700 Lake Alan Henry Reservoir, a water-supply reservoir about 60 miles southeast of Lubbock, Tex., and...
U.S. Geological Survey archived data recovery in Texas, 2008-11
Loren L. Wehmeyer, Brian D. Reece
2011, Fact Sheet 2011-3152
The 2008–11 data rescue and recovery efforts by the U.S. Geological Survey (USGS) Texas Water Science Center resulted in an efficient workflow process, database, and Web user interface for scientists and citizens to access archived environmental information with practical applications. Much of this information is unique and has never been...
Evaluation of fecal contamination by human and ruminant sources in upper Fountain Creek, Colorado, 2007-2008, by using multiple lines of evidence:
Donald Stoeckel
2011, Fact Sheet 2011-3095
Fountain Creek is a high-gradient stream on the Front Range of the Rocky Mountains in Colorado. The headwaters of Fountain Creek drain Pikes Peak, a major destination for tourism. Fountain Creek is a drinking-water source for the City of Colorado Springs, Colorado, and is used for irrigation, recreation, and other...
U.S. Geological Survey Community for Data Integration-NWIS Web Services Snapshot Tool for ArcGIS
Sally Holl
2011, Fact Sheet 2011-3141
U.S. Geological Survey (USGS) data resources are so vast that many scientists are unaware of data holdings that may be directly relevant to their research. Data are also difficult to access and large corporate databases, such as the National Water Information System (NWIS) that houses hydrologic data for the Nation,...
USGS St. Petersburg Coastal and Marine Science Center
2011, Fact Sheet 2011-3148
Extreme storms, sea-level rise, and the health of marine communities are some of the major societal and environmental issues impacting our Nation's marine and coastal realm. The U.S. Geological Survey (USGS) in St. Petersburg, Fla., investigates processes related to these ecosystems and the societal implications of natural hazards and resource...
A new tool to assess groundwater resources in the Mississippi embayment
Brian R. Clark, David A. Freiwald
2011, Fact Sheet 2011-3115
What is the Mississippi Embayment? The Mississippi embayment study area encompasses approximately 78,000 square miles in eight States and includes large parts of Arkansas, Louisiana, Mississippi, and Tennessee, and smaller areas of Alabama, Illinois, Kentucky, and Missouri (fig. 1). The Mississippi embayment is essentially a basin that slopes toward the...
National Climate Change and Wildlife Science Center project accomplishments: highlights
Sally Holl
2011, Fact Sheet 2011-3135
The National Climate Change and Wildlife Science Center (NCCWSC) has invested more than $20M since 2008 to put cutting-edge climate science research in the hands of resource managers across the Nation. With NCCWSC support, more than 25 cooperative research initiatives led by U.S. Geological Survey (USGS) researchers and technical staff...
Popular myths about flooding in Western Washington
Joseph L. Jones
2011, Fact Sheet 2011-3146
Floods are the most destructive natural hazard in the Nation, causing more deaths and financial loss in the 20th century than any other natural disaster. The most significant 20 riverine floods of the 20th century for which data are available have killed more than 1,843 people and caused more than...
Vegetation recovery after fire in the Klamath-Siskiyou region, southern Oregon
David Hibbs, Ruth Jacobs
2011, Fact Sheet 2011-3140
In July 2002, lightning strikes started five forest fires that merged into one massive wildfire in the Klamath-Siskiyou Ecoregion of southern Oregon. Aided by drought, severe weather conditions, dry fuels, and steep topography, the fire grew to more than 200,000 hectares of mostly public forest land. Known as the Biscuit...
