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Abstract: Enhancing Access to and Use of NASA Satellite Data through OGC Web Services for the Hydrologic Community

2006 AGU Fall Meeting, December 11-15,San Francisco, CA

Enhancing Access to and Use of NASA Satellite Data through OGC Web Services for the Hydrologic Community

Denis Nadeau, Christopher.S.Lynnes, Gail.S.Wade, Gregory.G.Leptoukh, William.L.Teng, Edward.J.Seiler

In order to facilitate the remote access to geographically distributed hydrologic data sources and tools, the NASA Goddard Earth Sciences Data and Information Services Center (GES DISC) is developing standards- based, Open Geospatial Consortium (OGC) Web Services, e.g., Web Map Service (WMS) and Web Coverage Service (WCS) for selected data sets that it archives. These services, which give alternative ways to acquire and explore remotely sensed data, offer a practical, cost-effective solution for integrating information distributed among user systems. Spatial-temporal data queries are sent directly to the OGC-compliant servers, the requested Web Services are triggered, and the output data are directly served back to the clients on the fly. GES DISC OGC Web Services can be easily integrated into any OGC-compliant clients such as Google Earth, NASA WorldWind, NASA Earth-Sun System Gateway(ESG), which combines satellite imagery and maps in a Geographic Information System (GIS) environment. OGC clients allow users to access and explore data residing on different Web Mapping Servers distributed throughout the Internet. Current data sets served at the GES DISC through its WMS (as rendered maps or images) include Tropical Rainfall Measuring Mission (TRMM) Gridded Rainfall (Near Real Time, V6) and Atmospheric Infrared Sounder (AIRS) Brightness Temperature. The latter is also served through the WCS (as original Hierarchical Data Format or HDF data). WMS and WCS can be easily extended to serve other GES DISC data sets of interest to the hydrologic community, to enhance the access to NASA satellite data.

http://disc.sci.gsfc.nasa.gov

Session Information
Date / TimeSessionLocation
Tuesday, 12/12/06, @ 0800H21D-1415MCW Level 2

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