Research on integration and issuance of water resources information based on Grid GIS

In this paper, it will be studied that how to fully utilize coordination and share characteristics of Grid technology, and utilize the advantage of the GIS technology in handling spatial data, so that we can provide a set of scientific schemes in integration and issuance of water resources information, and realize the effective share of water resources information. It is suggested in this paper that establishing the integration platform of heterogeneous data with Globus Toolkit and OGSA-DAI. And the studied contents also include the research and construction of the framed structure of integration and issuance of water resources information based on Grid GIS, metadata directory service , data agent based on irrigation works information.