USGS - science for a changing world

Eastern Geographic Science Center










Decision Support Tools

Eastern Geographic Science Center

EGSC scientists monitor and analyze changes on the land, study connections between people and the land, and provide relevant science information to inform decision making. Learn more about our research activities by selecting your topics of interest below.



Screen shot of webscreen

Land Use Portfolio Modeler-Ecosystems Analysis in South Florida


   Why?
Intense pressures for development of the land outside of the Urban Development Boundary in Miami-Dade County, Florida, threaten to impact both the Everglades and Biscayne National Parks.

   What?
In response, the U.S. Geological Survey, in cooperation with The National Park Service and the Wharton School of Economics, has developed a prototype for a Web-enabled geospatial information tool-the South Florida Ecosystem Portfolio Model, or EPM. More information....


Snapshot of the WNV web site

Visualizing the Spread of West Nile Virus and Five Other Diseases across the United States


   Why?
Map out how the West Nile Virus has spread and is spreading across the United States.

   What?
Configure maps, charts, and tables that track the spread, number of people affected, and the peak season of the virus. More information....




Sample reusable Web map viewer.

Web Application Framework Development


   Why?
Increasingly, decision makers at all levels are challenged not by the lack of information, but by the absence of effective tools to synthesize the large volume of data available, and to utilize the data to frame policy options in a straightforward and understandable manner.

   What?
The EGSC is addressing the need for more acces¬sible, manageable data tools by developing a suite of Web-based geospatial applications that will incorporate USGS and cooperating partner data into the decision making process for a variety of critical issues. More information....


Screen shot of Filter Change Project.

Web-based Land Cover Data Retrieval and Classification Tools


   Why?
USGS’s National Land Cover Dataset (NLCD) is used widely by scientists and land managers to assess changes in land cover that affect water quality, wildlife habitat, human and animal population distribution, carbon storage related to global climate change, and other important environmental, ecological, and societal examples.

   What?
USGS developed the Land Cover Analysis Tool (LCAT), a Web-based tool kit that allows users to quickly locate, display, and download NLCD data, including the recently developed NLCD Change Product, which displays changes in land cover between 1992 and 2001. More information....


Memphis photograph

Web Based Tools and Applications: Web Enabling a GIS-Based Decision Support System for Memphis, and Shelby County, Tennessee


   Why?
Historically, Shelby County has been the site of some of the largest earthquakes in North America. Planners in Memphis and other U.S. cities at risk from devastating earthquakes need decision support tools to help them develop more cost-effective hazard mitigation policies.

   What?
The LUPM been has developed into an interactive, GIS-based decision support system that stakeholders can use to select locations in which to invest a hazard mitigation budget, evaluate metrics such as the mean and variance of community wealth, and compare and rank policies. More information....

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Page Last Modified: Thursday, 16-Jul-2009 10:41:02 EDT