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Page 1774, results 44326 - 44350

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Publication Extents

Not all publications have extents, not all extents are completely accurate
National Assessment of Shoreline Change; historical shoreline change along the New England and Mid-Atlantic coasts
Cheryl J. Hapke, Emily A. Himmelstoss, Meredith G. Kratzmann, Jeffrey H. List, E. Robert Thieler
2011, Open-File Report 2010-1118
Beach erosion is a chronic problem along many open-ocean shores of the United States. As coastal populations continue to grow and community infrastructures are threatened by erosion, there is increased demand for accurate information regarding past and present trends and rates of shoreline movement. There is also a need for...
China's rare-earth industry
Pui-Kwan Tse
2011, Open-File Report 2011-1042
Introduction China's dominant position as the producer of over 95 percent of the world output of rare-earth minerals and rapid increases in the consumption of rare earths owing to the emergence of new clean-energy and defense-related technologies, combined with China's decisions to restrict exports of rare earths, have resulted in...
Hydrogeophysical methods for analyzing aquifer storage and recovery systems
Burke J. Minsley, Jonathan B. Ajo-Franklin, A. Mukhopadhyay, Frank Dale Morgan
2011, Groundwater (49) 250-269
Hydrogeophysical methods are presented that support the siting and monitoring of aquifer storage and recovery (ASR) systems. These methods are presented as numerical simulations in the context of a proposed ASR experiment in Kuwait, although the techniques are applicable to numerous ASR projects. Bulk geophysical properties are calculated directly from...
Alaska volcanoes guidebook for teachers
Jennifer N. Adleman
2011, General Information Product 99
Alaska’s volcanoes, like its abundant glaciers, charismatic wildlife, and wild expanses inspire and ignite scientific curiosity and generate an ever-growing source of questions for students in Alaska and throughout the world. Alaska is home to more than 140 volcanoes, which have been active over the last 2 million years. About...
Water resources of Rockland County, New York, 2005-07, with emphasis on the Newark Basin Bedrock Aquifer
Paul M. Heisig
2011, Scientific Investigations Report 2010-5245
Concerns over the state of water resources in Rockland County, NY, prompted an assessment of current (2005-07) conditions. The investigation included a review of all water resources but centered on the Newark basin aquifer, a fractured-bedrock aquifer over which nearly 300,000 people reside. Most concern has been focused on this...
Predicting lake trophic state by relating Secchi-disk transparency measurements to Landsat-satellite imagery for Michigan inland lakes, 2003-05 and 2007-08
L. M. Fuller, R.S. Jodoin, R. J. Minnerick
2011, Scientific Investigations Report 2011-5007
Inland lakes are an important economic and environmental resource for Michigan. The U.S. Geological Survey and the Michigan Department of Natural Resources and Environment have been cooperatively monitoring the quality of selected lakes in Michigan through the Lake Water Quality Assessment program. Sampling for this program began in 2001; by...
Geophysical and flow-weighted natural-contaminant characterization of three water-supply wells in New Hampshire
Thomas J. Mack, Marcel Belaval, James R. Degnan, Stephen J. Roy, Joseph D. Ayotte
2011, Open-File Report 2011-1019
Three bedrock water-supply systems in New Hampshire were studied, using borehole geophysics and flow-weighted sampling techniques, to determine the sources and distribution of natural contaminants in water entering the boreholes and to assess whether borehole modifications might be used to reduce contaminant levels. Well water in more than 100 community...
A survey of U.S. Fish and Wildlife Service employees regarding constraints to connecting children with nature-Summary report to respondents
Joan M. Ratz, Rudy M. Schuster
2011, Open-File Report 2011-1025
This report provides a summary of responses to the questions included on a survey of U.S. Fish and Wildlife Service employees regarding constraints to connecting children with nature. The survey was sponsored by the Division of Education Outreach at the National Conservation Training Center and conducted by the U.S. Geological...
Assessing groundwater availability in the Northern Atlantic Coastal Plain aquifer system
John P. Masterson, Jason P. Pope, Jack Monti Jr., Mark R. Nardi
2011, Fact Sheet 2011-3019
The U.S. Geological Survey's Groundwater Resources Program is conducting an assessment of groundwater availability throughout the United States to gain a better understanding of the status of the Nation's groundwater resources and how changes in land use, water use, and climate may affect those resources. The goal of this National...
Simulation of the effects of the Devils Lake State Outlet on hydrodynamics and water quality in Lake Ashtabula, North Dakota, 2006-10
Joel M. Galloway
2011, Scientific Investigations Report 2010-5234
In 2010, a two-dimensional hydrodynamic and water-quality model (CE-QUAL-W2) of Lake Ashtabula, North Dakota, was developed by the U.S. Geological Survey in cooperation with the North Dakota State Water Commission to understand the dynamics of chemical constituents in the reservoir and to provide a tool for the management and operation...
Bats of Ouray National Wildlife Refuge
Laura E. Ellison
2011, Open-File Report 2011-1032
Ouray National Wildlife Refuge (NWR) is located in the northeast corner of Utah along the Green River and is part of the Upper Colorado River System and the Colorado Plateau. The Colorado Plateau is home to 19 species of bats, some of which are quite rare. Of those 19 species,...
Usage and administration manual for a geodatabase compendium of water-resources data: Rio Grande Basin from the Rio Arriba-Sandoval County line, New Mexico, to Presidio, Texas, 1889-2009
Thomas E. Burley
2011, Open-File Report 2010-1331
The U.S. Geological Survey, in cooperation with the New Mexico Interstate Stream Commission, developed a geodatabase compendium (hereinafter referred to as the 'geodatabase') of available water-resources data for the reach of the Rio Grande from Rio Arriba-Sandoval County line, New Mexico, to Presidio, Texas. Since 1889, a wealth of water-resources...
Contributing recharge areas, groundwater travel time, and groundwater quality of the Missouri River alluvial aquifer near the Independence, Missouri, well field, 1997-2008
Brian P. Kelly
2011, Scientific Investigations Report 2010-5232
The City of Independence, Missouri, operates a well field in the Missouri River alluvial aquifer. Contributing recharge areas (CRA) were last determined for the well field in 1996. Since that time, eight supply wells have been installed in the area north of the Missouri River and well pumpage has changed...
Ecosystem response to removal of exotic riparian shrubs and a transition to upland vegetation
Lindsay V. Reynolds, David J. Cooper
2011, Plant Ecology (212) 1243-1261
Understanding plant community change over time is essential for managing important ecosystems such as riparian areas. This study analyzed historic vegetation using soil seed banks and the effects of riparian shrub removal treatments and channel incision on ecosystem and plant community dynamics in Canyon de Chelly National Monument, Arizona. We...
Biochar for soil fertility and natural carbon sequestration
C.E. Rostad, D.W. Rutherford
2011, Fact Sheet 2010-3117
Biochar is charcoal (similar to chars generated by forest fires) that is made for incorporation into soils to increase soil fertility while providing natural carbon sequestration. The incorporation of biochar into soils can preserve and enrich soils and also slow the rate at which climate change is affecting our planet....
Flood hydrology and dam-breach hydraulic analyses of four reservoirs in the Black Hills, South Dakota
Galen K. Hoogestraat
2011, Scientific Investigations Report 2011-5011
Extensive information about the construction of dams or potential downstream hazards in the event of a dam breach is not available for many small reservoirs within the Black Hills National Forest. In 2009, the U.S. Forest Service identified the need for reconnaissance-level dam-breach assessments for four of these reservoirs within...
Monitoring habitat restoration projects: U.S. Fish and Wildlife Service Pacific Region Partners for Fish and Wildlife Program and Coastal Program Protocol
Andrea Woodward, Kathy Hollar
2011, Techniques and Methods 2-A11
The U.S. Fish and Wildlife Service's (FWS) Pacific Region (Region 1) includes more than 158 million acres (almost 247,000 square miles) of land base in Idaho, Oregon, Washington, Hawai`i, the Commonwealth of the Northern Mariana Islands, American Samoa, Guam, the Republic of Palau, the Federated States of Micronesia, and the...
Potentiometric surface of the Upper Floridan aquifer, west-central Florida, September 2010
A.G. Ortiz
2011, Scientific Investigations Map 3148
This report, prepared by the U.S. Geological Survey in cooperation with the Southwest Florida Water Management District, is part of a semi-annual series of Upper Floridan aquifer potentiometric-surface map reports for west-central Florida. Potentiometric surface maps have been prepared for January 1964, May 1969, May 1971, May 1973, May 1974,...
Partnership of Environmental Education and Research-A compilation of student research, 1999-2008
Mike Bradley, Patrice Armstrong, Thomas D. Byl, editor(s)
2011, Open-File Report 2010-1291
The U.S. Geological Survey (USGS) Tennessee Water Science Center and the College of Engineering and Technology at Tennessee State University developed a Partnership in Environmental Education and Research (PEER) to support environmental research at TSU and to expand the environmental research capabilities of the USGS in Tennessee. The PEER program...
Archive of digital chirp sub-bottom profile data collected during USGS Cruises 08CCT02 and 08CCT03, Mississippi Gulf Islands, July and September 2008
Arnell S. Forde, Shawn V. Dadisman, James G. Flocks, Dana S. Wiese
2011, Data Series 569
In July and September of 2008, the U.S. Geological Survey (USGS) conducted geophysical surveys to investigate the geologic controls on island framework from Ship Island to Horn Island, MS, for the Northern Gulf of Mexico (NGOM) Ecosystem Change and Hazard Susceptibility project. This project is also part of a broader...
Microphotographs of cyanobacteria documenting the effects of various cell-lysis techniques
Barry H. Rosen, Keith A. Loftin, Christopher E. Smith, Rachael F. Lane, Susan P. Keydel
2011, Open-File Report 2010-1289
Cyanotoxins are a group of organic compounds biosynthesized intracellularly by many species of cyanobacteria found in surface water. The United States Environmental Protection Agency has listed cyanotoxins on the Safe Drinking Water Act's Contaminant Candidate List 3 for consideration for future regulation to protect public health. Cyanotoxins also pose a...
Concentrations, loads, and yields of nutrients and suspended sediment in the South Pacolet, North Pacolet, and Pacolet Rivers, northern South Carolina and southwestern North Carolina, October 2005 to September 2009
Celeste A. Journey, Andral W. Caldwell, Toby D. Feaster, Mattew D. Petkewich, Paul M. Bradley
2011, Scientific Investigations Report 2010-5252
The U.S. Geological Survey, in cooperation with Spartanburg Water, evaluated the concentrations, loads, and yields of suspended sediment, dissolved ammonia, dissolved nitrate plus nitrite, total organic nitrogen, total nitrogen, dissolved orthophosphate, dissolved phosphorus, and total phosphorus at sites in the South Pacolet, North Pacolet, and Pacolet Rivers in northern South...
Project plan-Surficial geologic mapping and hydrogeologic framework studies in the Greater Platte River Basins (Central Great Plains) in support of ecosystem and climate change research
Margaret E. Berry, Scott C. Lundstrom, Janet L. Slate, Daniel R. Muhs, David A. Sawyer, D. Paco VanSistine
2011, Open-File Report 2011-1010
The Greater Platte River Basin area spans a central part of the Midcontinent and Great Plains from the Rocky Mountains on the west to the Missouri River on the east, and is defined to include drainage areas of the Platte, Niobrara, and Republican Rivers, the Rainwater Basin, and other adjoining...