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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.
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TMDL (2 items)


Results 11 - 20 of 46 listed alphabetically [list by similarity]
Earth Surface Processes [More info]
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.
Elwha River dam removal -- Rebirth of a river [More info]
Overview of the USGS role in the largest dam removal project in U.S. history.
Environmental Affairs Program [More info]
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 [More info]
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 [More info]
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. [More info]
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.
Framework for Assessing the Sustainability of Monitored Natural Attenuation [More info]
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 [More info]
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.
Great Lakes Beach Health Initiative [More info]
Research and development efforts to improve our ability to provide scientific information needed by local beach managers faced with questions about environmental quality and possible beach closure or resource usage.
Historical interrelationships between population settlement and farmland in the conterminous United States, 1790 to 1992 [More info]
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.
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