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As the marine observation technological means' rapidly expand, the multi-time intervals, the wide range and the multi-criterion marine data are increasing rapidly. However, the instrumentation equipment to obtain data, the processing method, as well as various marine departments’ custom is different, cause the massive sea data universal existence isomerism the situation. At the same time, the marine data providers are usually in the different
geographical position. Moreover data users and providers are not in identical geographical position. These have brought inconveniently for data sharing, simultaneously also causes the data use efficiency to be low and fund waste.
In marine information grid, there are sharing the massive data, and involves many marine anatomic models. These models can analyze the primitive ocean data, thus produces the recent data. And also can integrate the real-time marine information into the grid, becomes the new grid data resources for user to browse and analysis. Therefore, under the grid environment, the marine virtual data's real-time production technology becomes to be a different information grid technology with the former information sharing pattern key technologies.
