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Search indexed USGS publications on groundwater, aquifers, geologic maps, mineral resources and earthquakes. Explore source records by subject and place.

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At least 109 records · Page 6Linked to original sources
USGS2017

Development of simulated groundwater-contributing areas to selected streams, ponds, coastal water bodies, and production wells in the Plymouth-Carver region and Cape Cod, Massachusetts

Introduction The U.S. Geological Survey (USGS), in support of the Massachusetts Estuaries Project (MEP), delineated groundwater-contributing areas to various hydrologic receptors including ponds, streams, and coastal water bodies throughout southeastern Massachusetts, including portions of the Plymouth-Carver aquifer system and all of Cape Cod. These contributing areas were delineated over a 6-year period from 2003 through 2008 by using previously published regional USGS groundwater-flow models for the Plymouth-Carver region (Masterson and others, 2009), the Sagamore (western) and Monomoy (eastern) flow lenses of Cape Cod (Walter and Whealan, 2005), and lower Cape Cod (Masterson, 2004). The original USGS groundwater-contributing areas were subsequently revised in some locations by the MEP to remove modeling artifacts or to make the contributing areas more consistent with site-specific hydrologic conditions without further USGS review. This report describes the process used to create the USGS groundwater-contributing areas and provides these model results in their original format in a single, publicly accessible publication.

Massachusetts↗
USGS2011

Science supporting Gulf of Mexico oil-spill response, mitigation, and restoration activities-Assessment, monitoring, mapping, and coordination

The St. Petersburg Coastal and Marine Science Center of the U.S. Geological Survey (USGS) investigates physical processes related to coastal and marine environments and societal implications related to natural hazards, resource sustainability, and environmental change. Immediately after the Deepwater Horizon event, the USGS began responding to data requests, directing response personnel, and providing coastal and shelf geophysical data to coastal-resource managers. The USGS provided oil-spill responders with up-to-date coastal bathymetry, geologic data, and maps characterizing vulnerability and levels of risk from potential spill impacts in Louisiana, Mississippi, and Alabama. Baseline conditions prior to any spill impacts were documented through programs that included shoreline sampling and sediment coring from east Texas to the east coast of Florida and aerial photography of many environmentally sensitive Gulf coastal areas. The USGS responded to numerous verbal and written data requests from Federal, State, and local partners and academic institutions with USGS scientific staff participating in the Coast Guard Unified Commands (UC) and Operational Science Advisory Teams (OSAT). The USGS conducted technical review of reports and plans for many response activities. Oil-spill responders, managers, and personnel on the ground, including partners such as the National Park Service, Gulf Islands National Seashore, Chandeleur Islands Refuge, and State agencies, continue to rely on USGS products.

General Information Product↗
USGS2006

Surface-Water Quality-Assurance Plan for the Tallahassee Office, U.S. Geological Survey

This Tallahassee Office Surface-Water Quality-Assurance Plan documents the standards, policies, and procedures used by the Tallahassee Office for activities related to the collection, processing, storage, analysis, and publication of surface-water data. This plan serves as a guide to all Tallahassee Office personnel involved in surface-water data activities, and changes as the needs and requirements of the Tallahassee Office, Florida Integrated Science Center, and Water Discipline change. Reg-ular updates to this Plan represent an integral part of the quality-assurance process. In the Tallahassee Office, direct oversight and responsibility by the employee(s) assigned to a surface-water station, combined with team approaches in all work efforts, assure high-quality data, analyses, reviews, and reports for cooperating agencies and the public.

Open-File Report↗
USGS2016

Surface-water quality-assurance plan for the U.S. Geological Survey Washington Water Science Center

This Surface-Water Quality-Assurance Plan documents the standards, policies, and procedures used by the U.S. Geological Survey Washington Water Science Center (WAWSC) for activities related to the collection, processing, storage, analysis, and publication of surface-water data. This plan serves as a guide to all WAWSC personnel involved in surface-water data activities, and changes as the needs and requirements of the WAWSC change. Regular updates to this plan represent an integral part of the quality-assurance process. In the WAWSC, direct oversight and responsibility by the hydrographer(s) assigned to a surface-water station, combined with team approaches in all work efforts, assure highquality data, analyses, reviews, and reports for cooperating agencies and the public.

Washington↗
USGS1974

A review of the literature on the use of Bayluscide in fisheries

In the United States Bayluscide has had multiple uses. The 70% wettable powder has been used in Puerto Rico for snail control and the 5% granular formulation has been tested in Michigan and Wisconsin against freshwater snails serving as inter mediate hosts of the trematode causing swimmers' itch. Bayluscide has also been used in field trials as a fish toxicant. Its most important use in North America, however, has been to control sea lampreys, Petromyzon marinus, in the Great Lakes, a necessary prerequisite for the restoration of Great Lakes sport and commercial fisheries. Since 1966 the 5% granular formulation has been used by the U.S. Fish and Wildlife Service and the Canadian Department of Environment as a toxicant to survey populations of larval sea lampreys in Great Lakes estuaries and deepwater tributaries. The Canadian Government also uses Bayluscide to control sea lampreys, but in the United States the present registration restricts use to population surveys only. Literature on the mixtures of Bayluscide and the selective lamprey toxicant, TFM, used since 1964 by both the U.S. and Canadian agencies to control larval sea lampreys in the Great Lakes, has been reviewed elsewhere and is not included in this review.

Literature Review↗
USGS1974

A review of the literature on the use of TFM-Bayluscide in fisheries

Since 1956 the Great Lakes Fishery Commission has been responsible for formulating and implementing a program to eradicate or control the sea lamprey in the Great Lakes. The U.S. Fish and Wildlife Service and the Sea Lamprey Control Centre of the Canadian Department of the Environment act as agents for the Commission in sea lamprey control. In the search for a selective lampricide that would control lampreys without destroying fish and other aquatic organisms, about 6,000 chemicals were tested at the Hammond Bay Biological Station of the U.S. Fish and Wildlife Service, largely during the mid 1950's. One compound, TFM, which is selectively toxic to sea lampreys was developed for field use. In 1963 Bayluscide was discovered to be extremely toxic to sea lampreys. Because Bayluscide is also very toxic to fish, being virtually nonselective between lampreys and rainbow trout, only 3% by weight can be added to TFM without losing the selective toxicity of TFM. Addition of small amounts of Bayluscide to TFM, however, effects substantial savings by greatly reducing the amount of TFM needed for effective treatment of lamprey populations. Since 1963 mixtures of TFM and Bayluscide have been used as a lampricide in tributaries of the Great Lakes by both the U.S. and Canadian governments.

Literature Review↗