Introduction to Field Water-Quality Methods for the Collection of Metals - 2007 Project Summary
Monica L. Allen
2008, Fact Sheet 2008-3012
The U.S. Geological Survey (USGS), Region VI of the U.S. Environmental Protection Agency (USEPA), and the Osage Nation presented three 3-day workshops, in June-August 2007, entitled ?Introduction to Field Water-Quality Methods for the Collection of Metals.? The purpose of the workshops was to provide instruction to tribes within USEPA Region...
USGS Alaska State Mosaic
Water Resources Division, U.S. Geological Survey
2008, Fact Sheet 2008-3023
The Alaska State Mosaic consists of portions of scenes from the Multi-Resolution Land Characteristics 2001 (MRLC 2001) collection. The 172 selected scenes have been geometrically and radiometrically aligned to produce a seamless, relatively cloud-free image of the State. The scenes were acquired between July 1999 and September 2002, resampled to...
Geospatial Information is the Cornerstone of Effective Hazards Response
Mark Newell
2008, Fact Sheet 2008-3026
Every day there are hundreds of natural disasters world-wide. Some are dramatic, whereas others are barely noticeable. A natural disaster is commonly defined as a natural event with catastrophic consequences for living things in the vicinity. Those events include earthquakes, floods, hurricanes, landslides, tsunami, volcanoes, and wildfires. Man-made disasters are...
Water-Quality and Fish-Community Data for the Niobrara National Scenic River, Nebraska, 2003-05
Benjamin Dietsch
2008, Fact Sheet 2007-3098
In 1991, a 76-mile reach of the Niobrara River in north-central Nebraska was designated as a National Scenic River (NSR). This reach of the river hosts a unique ecosystem that provides habitat for a diverse fish and wildlife population that include several threatened and endangered species. The Niobrara NSR also...
Water Availability--The Connection Between Water Use and Quality
Robert M. Hirsch, Pixie A. Hamilton, Timothy L. Miller, Donna N. Myers
2008, Fact Sheet 2008-3015
Water availability has become a high priority in the United States, in large part because competition for water is becoming more intense across the Nation. Population growth in many areas competes with demands for water to support irrigation and power production. Cities, farms, and power plants compete for water needed...
2008 United States National Seismic Hazard Maps
M.D. Petersen, and others
2008, Fact Sheet 2008-3018
The U.S. Geological Survey recently updated the National Seismic Hazard Maps by incorporating new seismic, geologic, and geodetic information on earthquake rates and associated ground shaking. The 2008 versions supersede those released in 1996 and 2002. These maps are the basis for seismic design provisions of building codes, insurance rate...
Monitoring indicators of harmful cyanobacteria in Texas
Richard L. Kiesling, Robin H. Gary, Marcus O. Gary
2008, Fact Sheet 2008-3009
Harmful algal blooms can occur when certain types of microscopic algae grow quickly in water, forming visible patches that might harm the health of the environment, plants, or animals. In freshwater, species of Cyanobacteria (also known as bluegreen algae) are the dominant group of harmful, bloom-forming algae. When Cyanobacteria form...
United States National Seismic Hazard Maps
M.D. Petersen, and others
2008, Fact Sheet 2008-3017
The U.S. Geological Survey?s maps of earthquake shaking hazards provide information essential to creating and updating the seismic design provisions of building codes and insurance rates used in the United States. Periodic revisions of these maps incorporate the results of new research. Buildings, bridges, highways, and utilities built to meet...
The Hayward Fault— Is it due for a repeat of the powerful 1868 earthquake?
Thomas M. Brocher, Jack Boatwright, James J. Lienkaemper, Carol S. Prentice, David P. Schwartz, Howard Bundock
2008, Fact Sheet 2008-3019
On October 21, 1868, a magnitude 6.8 earthquake struck the San Francisco Bay region. Although the region was then sparsely populated, this quake on the Hayward Fault was one of the most destructive in California's history. Recent studies show that such powerful Hayward Fault quakes have repeatedly jolted the region...
Forecasting California's earthquakes— What can we expect in the next 30 years?
Edward H. Field, Kevin R. Milner, The 2007 Working Group on California Earthquake Probabilities
2008, Fact Sheet 2008-3027
In a new comprehensive study, scientists have determined that the chance of having one or more magnitude 6.7 or larger earthquakes in the California area over the next 30 years is greater than 99%. Such quakes can be deadly, as shown by the 1989 magnitude 6.9 Loma Prieta and the...
Assessment of Undiscovered Oil Resources in the Devonian-Mississippian Bakken Formation, Williston Basin Province, Montana and North Dakota, 2008
Richard M. Pollastro, Troy A. Cook, Laura N.R. Roberts, Christopher J. Schenk, Michael D. Lewan, Lawrence O. Anna, Stephanie B. Gaswirth, Paul G. Lillis, Timothy R. Klett, Ronal R. Charpentier
2008, Fact Sheet 2008-3021
Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered volumes of 3.65 billion barrels of oil, 1.85 trillion cubic feet of associated/dissolved natural gas, and 148 million barrels of natural gas liquids in the Bakken Formation of the Williston Basin Province, Montana and North Dakota....
Continuous water-quality monitoring of streams in Johnson County, Kansas 2002-06
Teresa J. Rasmussen, Casey J. Lee, Andrew C. Ziegler
2008, Fact Sheet 2008-3007
Water quality in Johnson County, Kansas was characterized on the basis of continuous, in-stream monitoring. The results summarized in this fact sheet may be used to better understand concentration and load variability during changing seasonal and streamflow conditions and to assess water-quality conditions relative to water-quality standards and management goals....
An Overview of the GIS Weasel
Roland J. Viger
2008, Fact Sheet 2008-3004
This fact sheet provides a high-level description of the GIS Weasel, a software system designed to aid users in preparing spatial information as input to lumped and distributed parameter environmental simulation models (ESMs). The GIS Weasel provides geographic information system (GIS) tools to help create maps of geographic features relevant...
Hydroacoustic Applications in South Carolina: Technological Advancements in the Streamgaging Network
John M. Shelton
2008, Fact Sheet 2008-3001
Until the 1990s, the U.S. Geological Survey (USGS) had been making streamflow measurements using the same type of equipment for more than 100 years. The Price AA current meter was developed by USGS engineers in 1896. Until recently, the majority of all streamflow measurements made by the USGS were made...
Assessment of Undiscovered Oil and Gas Resources of the Permian Basin Province of West Texas and Southeast New Mexico, 2007
Christopher J. Schenk, Richard M. Pollastro, Troy A. Cook, Mark J. Pawlewicz, Timothy R. Klett, Ronald R. Charpentier, Harry E. Cook
2008, Fact Sheet 2007-3115
The U.S. Geological Survey (USGS) recently assessed the undiscovered oil and gas potential of the Permian Basin Province of west Texas and southeast New Mexico. The assessment was geology based and used the total petroleum system concept. The geologic elements of a total petroleum system are petroleum source rocks (quality,...
A New Method for Mapping Population Distribution
Rachel Sleeter
2008, Fact Sheet 2008-3010
Human population counts are collected and commonly displayed uniformly across areas, such as U.S. Census Bureau block-groups and tracts. The limitation inherent in this type of representation is the assumption that people are evenly distributed across each areal unit, when in actuality many areas such as parks, open spaces, and...
Science Activities Associated with Proposed 2008 High-Flow Experiment at Glen Canyon Dam
John Hamill
2008, Fact Sheet 2008-3011
Grand Canyon National Park lies approximately 15 miles downriver from Glen Canyon Dam, which was built on the Colorado River just south of the Arizona-Utah border. Because the dam stops most sediment moving downstream, its presence has resulted in erosion and shrinkage of river sandbars in Grand Canyon. Fewer and...
Monitoring the Earth's dynamic magnetic field
Jeffrey J. Love, David Applegate, John B. Townshend
2008, Fact Sheet 2007-3092
The mission of the U.S. Geological Survey's Geomagnetism Program is to monitor the Earth's magnetic field. Using ground-based observatories, the Program provides continuous records of magnetic field variations covering long timescales; disseminates magnetic data to various governmental, academic, and private institutions; and conducts research into the nature of geomagnetic variations...
Facing Tomorrow's Challenges - An Overview
Water Resources Division, U.S. Geological Survey
2008, Fact Sheet 2008-3008
In 2007, the U.S. Geological Survey (USGS) developed a science strategy outlining the major natural-science issues facing the Nation in the next decade. The science strategy consists of six science directions of critical importance, focusing on areas where natural science can make a substantial contribution to the well-being of the...
Post-Wildfire Hydrologic Hazards in the Wildland Urban Interface of Colorado and the Western United States
M. R. Stevens, C. R. Bossong, M.G. Rupert, A.J. Ranalli, E.W. Cassidy, A.D. Druliner
2008, Fact Sheet 2007-3036
Following a wildfire, such as the 2002 Missionary Ridge fire, a number of hydrologic hazards may develop that can have an important impact on water resources, businesses, homes, reservoirs, roads, and utilities in the wildland urban interface (areas where homes and commercial developments are interspersed with wildlands) in mountainous areas...
Historical and hypothetical future sedimentation and water storage in Kajakai Reservoir, central Afghanistan
Kevin C. Vining, Aldo V. Vecchia
2008, Fact Sheet 2008-3002
Sedimentation has reduced water storage in Kajakai Reservoir. If current sedimentation rates continue, hypothetical future reservoir water volumes at the spillway elevation of 1,033.5 meters could be reduced about 22 percent from 2006 to 2057. Even if the spillway elevation is raised to 1,045 meters, a severe drought could result...
Transport of water, carbon, and sediment through the Yukon River Basin
Timothy P. Brabets, Paul F. Schuster
2008, Fact Sheet 2008-3005
In 2001, the U.S. Geological Survey (USGS) began a water-quality study of the Yukon River. The Yukon River Basin (YRB), which encompasses 330,000 square miles in northwestern Canada and central Alaska (fig. 1), is one of the largest and most diverse ecosystems in North America. The Yukon River is more...
Restoration technology branch
Water Resources Division, U.S. Geological Survey
2007, Report
The mission of Leetown Science Center (LSC), Restoration Technology Branch (RTB) is to conduct research needed to restore or protect the chemical, physical and biological integrity of desirable aquatic systems....
Landscape ecology
Water Resources Division, U.S. Geological Survey
2007, Report
Over the next few years, the Leetown Science Center (LSC) would like to establish an expanded capability for conducting landscape ecology research....
WFRC patrners: our extended family
P. Connolly, D. Elliot, M. Parsley, J. Winton
2007, Fact Sheet 2007-3106
For more than five decades the Western Fisheries Research Center (WFRC) has worked with partners to provide research findings to managers of aquatic resources. Those partners form an extended family, a network of clients, colleagues, co-investigators, and customers. Our partners include numerous clients in other Department of Interior bureaus such...
