We propose to use W3C Web Services and recently emerging scientific workflow technologies for geospatial data processing in distributed and heterogeneous computation environments. The Web service technology provides platform independence and greater interoperability; the scientific workflow technology provides software reuse and visual programming. We demonstrate the feasibility of the proposed approach using storm dynamics tracking from weather radar data as an example. Technical details of algorithm development, Web services publishing, workflow composition and execution for the demonstrative example are discussed.
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