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Environmental assessment
The evaluation of the status of a specific ecosystem or geographic area and how a proposed change in management or a proposed project will affect that status.
Subtopics:
TMDL (2 items)
Results 1 - 37 of 37 listed by similarity [list alphabetically]
Contaminant Biology Program [New Window]
The Contaminant Biology Program investigates contaminant exposure and effects on fish, wildlife, and other organisms, their habitat and ecosystems. Links include description of projects, research centers, and news.
Assessing the impact of urban sprawl on soil resources in the United States using nighttime "city lights" satellite images and digital soils maps [New Window]
Paper from Land Use History of North America giving results of a study to estimate the extent of developed land in the United States and the impact of development on soil resources.
Environmental Affairs Program [New Window]
The USGS reviews and prepares technical comments on environmental impact statements and establishes policies to implement the National Environmental Policy Act (NEPA). Site has links to environmental laws and regulations including NEPA.
Environmental processes that affect mineral deposits in the Eastern United States [New Window]
Studies in Eastern United States on massive sulfide deposits in Maine, Vermont, Great Smoky Mountains, and Virginia to assess potential environmental impacts.
Environmental studies of the World Trade Center area after the September 11, 2001 attack [New Window]
Report describing the results of an interdisciplinary environmental study of the World Trade Center (WTC) area after the attack on September 11, 2001. The investigations included imaging spectroscopy mapping and laboratory analysis.
Field Conference on Impacts of Coalbed Methane Development in the Powder River Basin, Wyoming. [New Window]
Field trip to Powder River Basin coalbed methane (CBM) development areas showing impacts related to drilling, facilities, pipeline networks, access roads, withdrawal, and disposal of co-produced water from CBM wells.
Lake Pontchartrain basin: bottom sediments and related environmental resources [New Window]
This publication focuses on the geological framework and sedimentary processes of the Lake Pontchartrain Basin and provides links to interactive tools, regional research, and sediment data in GIS formats for display and analysis.
Lake Roosevelt-Upper Columbia River environmental studies [New Window]
Description of research studies of the Lake Roosavelt-Upper Columbia area on contaminants and effects on environmental health with links to publications and products, partners, related links, project summaries, and contacts.
Osage-Skiatook Petroleum Environmental Research Project, Lake Skiatook, Osage County, Oklahoma [New Window]
Study of the effects on the environment of hydrocarbons and produced water (brines) at Skiatook Lake, Osage Reservation, Oklahoma, with links to maps, photos, and data.
The USGS role in Total Maximum Daily Load (TMDL) assessments [New Window]
Detailed information on Total Maximum Daily Load, the total quantity of a pollutant that a stream can carry and still conform to water quality standards, used as a measurement in the monitoring, assessment, and remediation of polluted waters.
Upper Midwest Environmental Science Center (UMESC) [New Window]
Homepage for Upper Midwest Environmental Science Center, LaCrosse, Wisconsin, with links to data library, geographical search, science programs, partnerships, long-term resource monitoring program, reports and publications, and education.
PDF A science strategy to support management decisions related to hypoxia in the northern Gulf Of Mexico and excess nutrients in the Mississippi River Basin [New Window]
The report describes a strategy for monitoring, modeling, and research activities to support management decisions to improve water-quality conditions in the Mississippi River Basin, reduce hypoxia in the northern Gulf of Mexico, and improve conditions for
PDF Assessing rangelands [New Window]
Fact sheet in Adobe PDF on assessing the health of rangeland by monitoring and inventory which can help land managers
Biodiversity and land-use history of the Palouse bioregion: pre-European to present [New Window]
Study of the processes by which the conversion occurred of the Palouse bioregion from perennial native grass, shrub, and forest vegetation to agriculture and the interactions between human cultures and environment.
Changing patterns in the number of species in North American floras [New Window]
A chapter of the publication: Land Use History of North America on general patterns of plant species diversity in North America that shows how these patterns have changed over time.
Classification of wetlands and deepwater habitats of the United States [New Window]
Detailed publication on the classification system for an inventory of wetlands and deepwater habitats of the United States used to describe ecological taxa and arrange them in a system useful to resource managers.
Coastal habitats in Puget Sound [New Window]
Declines in fish and wildlife populations, water-quality issues, and changes in coastal habitats have prompted this USGS study of the region's nearshore life and environment. Includes links to data from published reports.
Earth Surface Processes [New Window]
Homepage for Earth Surface Processes Team with research studies in two general categories: climate change and geologic mapping. Links to research activities, available data sets, workshop, and programs.
Environment [New Window]
Links to USGS activities in the environment theme area, including anthropogenic and natural contaminants, ecosystems, energy, human health, global change, etc. Also includes links to environment-related fact sheets.
Framework for Assessing the Sustainability of Monitored Natural Attenuation [New Window]
Research findings and examples of application to real problems--When can natural processes to reduce, or even destroy, contaminants at toxic waste sites be relied on?
Front Range Infrastructure Resources Project (FRIRP) [New Window]
Home page for the Front Range Infrastructure Resources Project, a demonstration study of the northern Colorado Front Range urban corridor and the entire Rocky Mountain Front Range urban corridor with links to projects, datasets, and publications.
Historical interrelationships between population settlement and farmland in the conterminous United States, 1790 to 1992 [New Window]
Chapter from Land Use History of the North America on the results of a study to understand the interactions of population growth, urbanization, and agricultural activity over time.
Historical landcover changes in the Great Lakes region [New Window]
Results of a study that provides a regional vegetation history of the Great Lakes area during the last 150 years compared to the preceding 1,000 years.
Identifying sources of fecal coliform bacteria in selected streams on Virginia's Total Maximum Daily Loads (TMDL) priority list [New Window]
Describes project to identify sources of fecal coliform bacteria by ribotyping to develop the use of Maximum Daily Load (TMDL) values for contaminated stream segments in Virginia.
Land Remote Sensing Program [New Window]
Land Remote Sensing Program (LRS) provides a primary source of remotely sensed data and applications of land remote sensing, nationally and internationally.
Land use history of North America (LUHNA) [New Window]
Report prepared with NASA on the importance of a historical context for understanding ongoing changes in land cover and land use in North America and the effect on the environment. Site contains primarily contents of a book edited by T.D. Sisk.
Landscape changes in the southwestern United States: techniques, long-term data sets, and trends [New Window]
This study illustrates some approaches for reconstructing landscape change.
Mercury contamination of aquatic ecosystems [New Window]
Fact sheet on mercury bioaccumulation and cycling in the environment. Also available in PDF format.
Mercury in the environment [New Window]
Fact sheet on mercury and the environment, including toxic effects, risk to people and wildlife, sources of mercury, environments where methylmercury is a problem, and mercury contamination.
Multielement geochemical dataset of surficial materials for the northern Great Basin [New Window]
This report presents geochemical data generated during mineral and environmental assessments for the Bureau of Land Management in northern Nevada, northeastern California, southeastern Oregon, and southwestern Idaho, along with metadata and maps.
Presettlement and contemporary vegetation patterns along two navigation reaches of the Upper Mississippi River [New Window]
Study to reconstruct presettlement vegetation patterns along two navigation reaches of the Upper Mississippi.
Science In Your Watershed [New Window]
Find scientific information organized on a watershed basis to aid characterizing, assessing, anazlyzing and mainting status and health of a watershed.
The Baltimore-Washington Regional Collaboratory Land-Use History Research Program [New Window]
A description of research activities of the Baltimore-Washington Regional Collaboratory urban growth in the Chesapeake region.
Water Information Coordination Program (WICP) [New Window]
An interagency program that improves information about natural resources management and environmental protection. The Advisory Committee on Water Information identifies water information needs, evaluates information and recommends improvements.
Water co-produced with coalbed methane in the Powder River Basin, Wyoming: preliminary compositional data [New Window]
Compositional data on water from 47 CBM wells sampled in the Powder River Basin, Wyoming. Data on major, minor, and trace elements are included.
Water resources of Michigan - programs and projects [New Window]
Brief descriptions of categories of USGS research programs and projects on water resources in Michigan with links to more detailed information on projects.
Water resources of Michigan - protection of drinking water sources [New Window]
Links to descriptions, publications, and photos of research projects in Michigan related to drinking water including source assessment, ground water availability, water resources, and contaminants in water.


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