Flooding Associated with Typhoon Chata'an, July 5, 2002, Guam
Richard A. Fontaine
2003, Fact Sheet 061-03
Introduction On July 5, 2002, starting at about 8 a.m., the southern half of the eye of Typhoon Chata'an passed directly over the northern part of the island of Guam. Data collected on Guam indicate that the typhoon had sustained winds of 85 to 90 miles per hour (mi/hr) with gusts...
Continuing the legacy of Lewis and Clark
Water Resources Division, U.S. Geological Survey
2003, Fact Sheet 095-03
PRAIRIEMAP: A GIS database for prairie grassland management in western North America
Water Resources Division, U.S. Geological Survey
2003, Fact Sheet 057-03
The USGS Forest and Rangeland Ecosystem Science Center, Snake River Field Station (SRFS) maintains a database of spatial information, called PRAIRIEMAP, which is needed to address the management of prairie grasslands in western North America. We identify and collect spatial data for the region encompassing the historical extent of prairie...
Range-wide conservation assessment of Greater Sage-Grouse and sagebrush habitats
Water Resources Division, U.S. Geological Survey
2003, Fact Sheet 056-03
Declining numbers of Greater Sage-grouse (Centrocercus urophasianus) over the past three decades across most of their range accompanied by increasing habitat degradation and loss represent major conservation and management challenges. We are conducting a range-wide Conservation Assessment of Greater Sage-grouse and sagebrush habitats. This assessment is an interagency effort sponsored...
Native salamanders and introduced fish: Changing the nature of mountain lakes and ponds
Gary L. Larson, Robert L. Hoffman
2003, Fact Sheet 025-03
During the last century, many fishless mountain lakes and ponds in the Pacific Northwest were stocked with non-native fish, such as brook trout, for recreational purposes. These introduced fish replaced long-toed and northwestern salamander larvae as the top aquatic vertebrate predator by preying on salamander larvae. This predatory interaction has...
Predicting future mangrove forest migration in the Everglades under rising sea level
Thomas W. Doyle
2003, Fact Sheet 030-03
Mangroves are highly productive ecosystems that provide valued habitat for fish and shorebirds. Mangrove forests are universally composed of relatively few tree species and a single overstory strata. Three species of true mangroves are common to intertidal zones of the Caribbean and Gulf of Mexico Coast, namely, black mangrove (Avicennia...
Shuttle Radar Topography Mission (SRTM)
Water Resources Division, U.S. Geological Survey
2003, Fact Sheet 071-03
Under an agreement with the National Aeronautics and Space Administration (NASA) and the Department of Defense's National Imagery and Mapping Agency (NIMA), the U.S. Geological Survey (USGS) is now distributing elevation data from the Shuttle Radar Topography Mission (SRTM). The SRTM is a joint project between NASA and NIMA to...
Native plants for effective coastal wetland restoration
Rebecca J. Howard
2003, Fact Sheet 090-03
Plant communities, along with soils and appropriate water regimes, are essential components of healthy wetland systems. In Louisiana, the loss of wetland habitat continues to be an issue of major concern. Wetland loss is caused by several interacting factors, both natural and human-induced (e.g., erosion and saltwater intrusion from the...
Hubbard Glacier, Alaska: growing and advancing in spite of global climate change and the 1986 and 2002 Russell Lake outburst floods
Dennis C. Trabant, Rod S. March, Donald S. Thomas
2003, Fact Sheet 001-03
Hubbard Glacier, the largest calving glacier on the North American Continent (25 percent larger than Rhode Island), advanced across the entrance to 35-mile-long Russell Fiord during June 2002, temporarily turning it into a lake. Hubbard Glacier has been advancing for more than 100 years and has twice closed the entrance...
Surface Water in Hawaii
Delwyn S. Oki
2003, Fact Sheet 045-03
Surface water in Hawaii is a valued resource as well as a potential threat to human lives and property. The surface-water resources of Hawaii are of significant economic, ecologic, cultural, and aesthetic importance. Streams supply more than 50 percent of the irrigation water in Hawaii, and although streams supply only...
Investigating monkeypox in the Wild
Christopher J. Brand, Paul Slota
2003, Fact Sheet 2004-3003
A recent monkeypox outbreak in pet prairie dogs led to the first recorded human case of the disease in the U.S. The outbreak has USGS scientists concerned the disease may spread to wild rodent populations....
The Amphibian Research and Monitoring Initiative in the Pacific Northwest
M. J. Adams
2003, Fact Sheet 020-03
Amphibians have been disappearing from many locations around the world with reports of declines increasing in recent decades. Some of the most dramatic declines have occurred in areas that were thought to be protected from human disturbance. For example, the once-common boreal toad has virtually disappeared from Rocky Mountain National...
Geographic Analysis and Monitoring Program
Water Resources Division, U.S. Geological Survey
2003, Fact Sheet 049-03
Geohydrology of Recharge and Seawater Intrusion in the Pajaro Valley, Santa Cruz and Monterey Counties, California
Randall T. Hanson
2003, Fact Sheet 044-03
The U.S. Geological Survey (USGS) in cooperation with the Pajaro Valley Water Management Agency (PVWMA), has completed the collection and analyses of geologic, hydrologic, geophysical, and geochemical data in the coastal aquifer systems of the Pajaro Valley (fig. 1). These data were collected to delineate the geohydrologic framework of seawater intrusion,...
Florida springs interdisciplinary science study
Brian G. Katz, Dale W. Griffin, Peter W. Swarzenski, Stephen J. Walsh, Howard L. Jelks
2003, Fact Sheet 008-03
Lewis and Clark's observations of geomorphology and hydrology
John A. Moody
2003, Fact Sheet 004-03
Real-time ground-water-level monitoring in New Jersey, 2002
Walter D. Jones, Anthony S. Navoy, Daryll A. Pope
2003, Fact Sheet 129-02
This network was created to provide data to indicate water-level trends in shallow ground-water systems within the State of New Jersey and to make the data available in the shortest time possible. The wells in this network are located throughout New Jersey (fig. 1) and were chosen because they are...
USGS West Nile Virus Research Strategy
Gregory Smith, Christopher J. Brand, Emi Saito
2003, Fact Sheet 2004-3002
This plan integrates science across multiple USGS disciplines, and provides national and international opportunities for USGS collaboration with state and federal agencies, academic institutions, and non-governmental organizations throughout the Americas....
Helping to combat chronic wasting disease
Scott Wright, Paul Slota
2003, Fact Sheet 2004-3008
Chronic Wasting Disease (CWD) is a disease of the nervous system that results in distinctive lesions in the brain. CWD affects elk, white-tailed deer, and mule deer, but has not been documented in livestock or humans. The cause is unknown and no treatment is available. Infected deer and elk can...
Recoverability and Vulnerability of Desert Ecosystems
Water Resources Division, U.S. Geological Survey
2003, Fact Sheet 058-03
Earthquakes-Rattling the Earth's Plumbing System
Michelle Sneed, Devin L. Galloway, William L. Cunningham
2003, Fact Sheet 096-03
Hydrogeologic responses to earthquakes have been known for decades, and have occurred both close to, and thousands of miles from earthquake epicenters. Water wells have become turbid, dry or begun flowing, discharge of springs and ground water to streams has increased and new springs have formed, and well and surface-water...
Cartographic services contract...for everything geographic
Water Resources Division, U.S. Geological Survey
2003, Fact Sheet 066-03
The U.S. Geological Survey's (USGS) Cartographic Services Contract (CSC) is used to award work for photogrammetric and mapping services under the umbrella of Architect-Engineer (A&E) contracting. The A&E contract is broad in scope and can accommodate any activity related to standard, nonstandard, graphic, and digital cartographic products. Services provided may...
Frequency of debris flows in Grand Canyon
Robert H. Webb, Peter G. Griffiths, Tillie A. Klearman
2003, Fact Sheet 065-03
No abstract available....
Development of Landscape Models for Conservation of Freshwater Mussels in the Upper Mississippi River Basin
Water Resources Division, U.S. Geological Survey
2003, Fact Sheet 2004-3037
Crater Lake: blue through time
Gary L. Larson, Mark Buktenica, Robert Collier
2003, Fact Sheet 018-03
Blue is the color of constancy, hence the term true blue. The unearthly blueness of Crater Lake reflects its pristine character and gives scientists a focal point for studying human impacts on aquatic environments over long periods of time. Scientists with the U.S. Geological Survey (USGS), National Park Service, and Oregon...
