Biological conditions in streams of Johnson County, Kansas, and nearby Missouri, 2003 and 2004
Barry C. Poulton, Teresa J. Rasmussen, Casey J. Lee
2007, Fact Sheet 2007-3044
Johnson County is one of the fastest growing and most populated counties in Kansas. Urban development affects streams by altering stream hydrology, geomorphology, water chemistry, and habitat, which then can lead to adverse effects on fish and macroinvertebrate communities. In addition, increasing sources of contaminants in urbanizing streams results in...
USGS Western Coastal and Marine Geology Team
Sam Johnson, Helen Gibbons
2007, Fact Sheet 2007-3050
The Western Coastal and Marine Geology Team of the U.S. Geological Survey (USGS) studies the coasts of the western United States, including Alaska and Hawai‘i. Team scientists conduct research, monitor processes, and develop information about coastal and marine geologic hazards, environmental conditions, habitats, and energy and mineral resources. This information...
Hawaiian Duck's Future Threatened by Feral Mallards
Kimberly J. Uyehara, Andrew Engilis Jr., Michelle Reynolds
2007, Fact Sheet 2007-3047
Nearly 70 percent of Hawaii's native bird species are found nowhere else on Earth, and many of these species are declining or in danger of extinction. Although the Hawaiian Islands were once home to a remarkable diversity of waterfowl, only three species remain-the Hawaiian Goose (Nene), Laysan Duck, and Hawaiian...
Geohydrologic Framework of the Edwards and Trinity Aquifers, South-Central Texas
Charles D. Blome, Jason R. Faith, George B. Ozuna
2007, Fact Sheet 2006-3145
This five-year USGS project, funded by the National Cooperative Geologic Mapping Program, is using multidisciplinary approaches to reveal the surface and subsurface geologic architecture of two important Texas aquifers: (1) the Edwards aquifer that extends from south of Austin to west of San Antonio and (2) the southern part of...
Precambrian Time - The Story of the Early Earth
D. A. Lindsey
2007, Fact Sheet 2007-3004
The Precambrian is the least-understood part of Earth history, yet it is arguably the most important. Precambrian time spans almost nine-tenths of Earth history, from the formation of the Earth to the dawn of the Cambrian Period. It represents time so vast and long ago that it challenges all comprehension. The...
Boiling water at Hot Creek— The dangerous and dynamic thermal springs in California’s Long Valley Caldera
Christopher D. Farrar, William C. Evans, Dina Y. Venezky, Shaul Hurwitz, Lynn K. Oliver
2007, Fact Sheet 2007-3045
The beautiful blue pools and impressive boiling fountains along Hot Creek in east-central California have provided enjoyment to generations of visitors, but they have also been the cause of injury or death to some who disregarded warnings and fences. The springs and geysers in the stream bed and along its...
Increasing the Resilience to Natural Hazards in Southern California
Lucile Jones, Dale A. Cox
2007, Fact Sheet 2007-3037
Southern California is at great risk for extreme catastrophic losses owing to numerous natural hazards, such as earthquakes, wildfires, floods, tsunamis, landslides and coastal changes, that occur in this area (fig. 1). Expected losses from these hazards are estimated to exceed $3 billion per year in the eight counties of...
Availability of Ground-Water Data for California, Water Year 2006
Julia A. Huff
2007, Fact Sheet 2007-3038
Introduction The U.S. Geological Survey, Water Resources, in cooperation with Federal, State, and local agencies, obtains a large amount of data pertaining to the ground-water 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...
Time-domain electromagnetic soundings to characterize water quality within a freshwater/saline-water transition zone, Estancia Valley, New Mexico, July 2005: A reconnaissance study
Sachin D. Shah, Wade H. Kress, Lewis A. Land
2007, Fact Sheet 2007-3011
During July 2005, the U.S. Geological Survey, in cooperation with the New Mexico Bureau of Geology and Mineral Resources, conducted a reconnaissance study in the Estancia Valley in central New Mexico to characterize water quality using time-domain electromagnetic (TDEM) surface-geophysical soundings. TDEM sounding is one of a number of surface...
U.S. Geological Survey Mineral Resources Program - Science Supporting Mineral Resource Stewardship
S.J. Kropschot
2007, Fact Sheet 2007-3035
The United States is the world's largest user of mineral resources. We use them to build our homes and cities, fertilize our food crops, and create wealth that allows us to buy goods and services. Individuals rarely use nonfuel mineral resources in their natural state - we buy light bulbs,...
Changes in Water Levels and Storage in the High Plains Aquifer, Predevelopment to 2005
V. L. McGuire
2007, Fact Sheet 2007-3029
The High Plains aquifer underlies 111.4 million acres (174,000 square miles) in parts of eight States-Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. The area overlying the High Plains aquifer is one of the major agricultural regions in the world. Water-level declines began in parts of the...
The Marine Realms Information Bank family of digital libraries: access to free online information for coastal and marine science
Frances L. Lightsom, Alan O. Allwardt
2007, Fact Sheet 2007-3025
Searching the World Wide Web for reliable information about specific topics or locations can be frustrating: too many hits, too little relevance. A well-designed digital library, offering a carefully selected collection of online resources, is an attractive alternative to web search engines. The U.S. Geological Survey (USGS) provides three digital...
U.S. Geological Survey Streamgaging...from the National Streamflow Information Program
Scott A. Olson, J. Michael Norris
2007, Fact Sheet 2005-3131
This Fact Sheet is one in a series that highlights information or recent research findings from the USGS National Streamflow Information Program (NSIP). The investigations and scientific results reported in this series require a nationally consistent streamgaging network with stable long-term monitoring sites and a rigorous program of data, quality...
Ground-water recharge in humid areas of the United States: A summary of Ground-Water Resources Program studies, 2003-2006
Geoffrey N. Delin, Dennis W. Risser
2007, Fact Sheet 2007-3007
Increased demands on water resources by a growing population and recent droughts have raised awareness about the adequacy of ground-water resources in humid areas of the United States. The spatial and temporal variability of ground-water recharge are key factors that need to be quantified to determine the sustainability of ground-water...
How Much Water Is in the Apalachicola, Chattahoochee, and Flint Rivers, and How Much Is Used?
Mark N. Landers, Jaime A. Painter
2007, Fact Sheet 2007-3034
Questions of how much water is in the Apalachicola, Chattahoochee, and Flint (ACF) Rivers and how much is used do not have simple answers. The answers depend on the location in the river basin and on the year and season (as discussed on the first two pages of this fact...
Pesticides in ground water - Niobrara and Weston Counties, Wyoming, 2005-2006
Cheryl A. Eddy-Miller
2007, Fact Sheet 2007-3024
In 1991, members of local, State, and Federal governments, as well as industry and interest groups, formed the Ground-water and Pesticide Strategy Committee to prepare the State of Wyoming's generic Management Plan for Pesticides in Ground Water. Part of this management plan is to sample and analyze Wyoming's ground water...
Geographic Analysis and Monitoring Program
Jon C. Campbell
2007, Fact Sheet 2007-3030
The surface of the Earth is changing rapidly, at local, regional, national, and global scales, with significant repercussions for people, the economy, and the environment. Some changes have natural causes, such as wildland fires or hurricanes, while other changes on the land, such as resource extraction, agricultural practices, and urban...
The National Map - Orthoimagery Layer
Water Resources Division, U.S. Geological Survey
2007, Fact Sheet 2007-3008
Many Federal, State, and local agencies use a common set of framework geographic information databases as a tool for economic and community development, land and natural resource management, and health and safety services. Emergency management and homeland security applications rely on this information. Private industry, nongovernmental organizations, and individual citizens...
Landsat Image Mosaic of Antarctica
Water Resources Division, U.S. Geological Survey
2007, Fact Sheet 2007-3016
Description Fact sheet introduces the Landsat Image Mosaic of Antarctica (LIMA) with images from a section of the mosaic over McMurdo Station, descriptions of the four versions of LIMA, where to access and download LIMA, and a brief explanation of the Antarctic Web portal....
Biomarker Benchmarks: Reproductive and Endocrine Biomarkers in Largemouth Bass and Common Carp from United States Waters
Steven L. Goodbred, Stephen B. Smith, Patricia S. Greene, Richard H. Rauschenberger, Timothy M. Bartish
2007, Fact Sheet 2007-3026
The U.S. Geological Survey (USGS) has developed a national database and report on endocrine and reproductive condition in two species of fish collected in U.S. streams and rivers. This information provides scientists with a national basis for comparing results of endocrine measurements in fish from individual sites throughout the country,...
Availability of Ground-Water Data for Idaho, Water Year 2006
A.M. Campbell
2007, Fact Sheet 2007-3031
Introduction The Water Resources Division of the U.S. Geological Survey, in cooperation with Federal, State, and local water agencies, collects a large amount of data each year pertaining to the ground-water resources of Idaho. These data constitute a valuable database for developing an improved understanding of the water resources of the...
Pesticides in surface water in the Bighorn River and North Platte River basins, Wyoming, 2006
Cheryl A. Eddy-Miller, Gregory K. Boughton, R. E. Woodruff
2007, Fact Sheet 2007-3017
In 2006, the U.S. Geological Survey (USGS), in cooperation with the Wyoming Department of Agriculture, sampled five surface-water sites in Wyoming-three in the Bighorn River Basin (BRB) and two in the North Platte River Basin (NPRB) (fig. 1). The purpose of the sampling was to describe the occurrence of pesticides...
U.S. Geological Survey Ground-Water Climate Response Network
Water Resources Division, U.S. Geological Survey
2007, Fact Sheet 2007-3003
The U.S. Geological Survey serves the Nation by providing reliable hydrologic information used by others to manage the Nation's water resources. The U.S. Geological Survey (USGS) measures more than 20,000 wells each year for a variety of objectives as part of Federal programs and in cooperation with State and local agencies....
The U.S. Geological Survey Land Remote Sensing Program
Water Resources Division, U.S. Geological Survey
2007, Fact Sheet 2007-3021
The fundamental goals of the U.S. Geological Survey's Land Remote Sens-ing (LRS) Program are to provide the Federal Government and the public with a primary source of remotely sensed data and applications and to be a leader in defining the future of land remote sensing, nationally and internationally. Remotely sensed data...
Divisions of Geologic Time—Major Chronostratigraphic and Geochronologic Units
U.S. Geological Survey Geologic Names Committee
2007, Fact Sheet 2007-3015
Effective communication in the geosciences requires consistent uses of stratigraphic nomenclature, especially divisions of geologic time. A geologic time scale is composed of standard stratigraphic divisions based on rock sequences and calibrated in years. Over the years, the development of new dating methods and refinement of previous ones have stimulated...
