Gems geospatial environmental mapping system introduction and live demonstration
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GEMS Geospatial Environmental Mapping System Introduction and Live Demonstration. Elaine Pilz and Keith Miller S.M. Stoller Corporation. What Is GEMS?. A Web-based electronic data tool A Web-based dynamic mapping tool

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GEMS Geospatial Environmental Mapping System Introduction and Live Demonstration

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GEMSGeospatial Environmental Mapping SystemIntroduction and Live Demonstration

Elaine Pilz and Keith MillerS.M. Stoller Corporation

What Is GEMS?

  • A Web-based electronic data tool

  • A Web-based dynamic mapping tool

  • A system that allows stakeholders and the publicto access the large volume of environmental data collected as part of the U.S. Department of Energy (DOE) Office of Legacy Management’s (LM) long-term surveillance and maintenance activities at remediated sites

Background for GEMS

  • LM has responsibility for 87 sites as of the end of FY 2010

    • Sites that were formerly part of the nation’s nuclear weapons production effort

    • Sites are spread across 28 states and the Commonwealth of Puerto Rico

  • One of LM’s goals is to make legacy information accessible

LM Sites and Offices

Geospatial Environmental Mapping System (GEMS)

  • Created in 2002 and since then has evolved and has been enhanced

  • 58 LM sites have webpages in GEMS

  • A custom-designed software application that provides interactive mapping and environmental monitoring data for the managed sites

Objectives of GEMS

  • Communicate our monitoring information to our stakeholders and the public

  • Make data readily accessible about each LM site using the Internet at

  • Implement a design that helps users easily visualize the relationships between data and geography

  • Allow users to map validated geochemical and hydrologic data from the LM Environmental Database

Who Uses GEMS?

  • Internal and external consumers

    • Stakeholders and regulators (municipal, state, federal, tribal government, community groups)

    • LM

      • Site managers

    • LM support contractor

      • Site managers and site leads

      • Scientists (geologists, hydrologists, researchers)

      • Field staff (samplers, inspectors)

Major Components of GEMS

  • LM Environmental Database

    • 4.3 million analytical chemistry results and field chemistry measurements (as of October 19, 2010)

    • 222,631 water level measurements

    • 38 years of sampling data

  • Geospatial layers

  • Aerial imagery for each site

What Is in GEMS?

  • Sampling locations

  • Analytical chemistry data

  • Groundwater depths and elevations

  • Well construction and lithology logs

  • Boundaries – site, disposal cell

  • Base map entities (roads, fences, water bodies, rivers)

  • Aerial imagery

  • Topographic maps

  • On-site photographs

Capabilities of GEMS

  • Interactive mapping

  • Environmental data querying

  • Applying reported data in many ways

    • Graph to identify trends

    • Post as labels on the interactive map

    • Add analyte concentration symbols to the map

  • Exporting data

    • Export to a spreadsheet

    • Export map to a PDF

  • See conference handout for more information

Technologies behind GEMS

  • Environmental Systems Research Institute (ESRI) Internet Mapping Service (ArcIMS)

  • Geocortex Internet Mapping Framework (IMF)

  • Oracle 10g Relational Database Management System

  • ESRI GIS (Geographic Information System)

And Now for a Demonstration…

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