Bay Area Digital GEo-Resource Project (BADGER) Applications

Key Investigators: Sheri Dister, Edwin Sheffner, Don Sullivan

The Bay Area Digital GeóResource (BADGER) Project is a three year project to develop a non-profit community service that offers on-line access to San Francisco Bay Area geographic data. This resource will provide an easy and efficient method of accessing information developed from satellite and aerial imagery, maps, and databases to industry, government agencies and the general public.

Researchers at NASA Ames Research Center, Lockheed-Martin, and the Bay Area Shared Information Consortium (BASIC) are building the tools needed to share geo-spatial data over the Internet. On-line applications are being developed to demonstrate how BADGER on-line datasets can be combined and manipulated to generate information products.

One application is illustrated here. All commercial enterprises in the Santa Clara Valley of California are required by the State Water Quality Control Board to file for a general permit to discharge storm water associated with industrial activity into waters that drain into San Francisco Bay. Applicants for the permit must file a Notice of Intent (NOI) form describing the location and nature of the business, estimating percent non-permeable surface (e.g., asphalt or building), and include a site location map. The NOI must also identify the stream or drainage that receives the storm water. The BADGER-based NOI application allows users to generate the required information and graphics on-line, and file the NOI form electronically.

The user is asked to identify the site by street address or assessor's parcel number. The application code then locates the site and displays the parcel boundary on a digital orthophotoquad (DOQQ) (Image A) . This image serves as the required site location map. The percent of non-permeable surface is determined for that parcel from a permeable/impermeable map, previously developed using multispectral remote sensing data (Image B) . Finally, a digital watershed map is used to determine the nearest receiving water for the site of interest (Image C) . All of this information is combined with the user-provided data to complete the NOI form.

The NOI application, and other on-line applications under development for BADGER, provide users with easy and efficient access to new data sources and new methods for fulfilling information requirements.

COLLABORATORS: Lockheed Martin Palo Alto Research Laboratories, BASIC

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