Study on data sharing of digital basin

The data for establishing digital basin has the features of large quantity, isomerization and multiple dimensions. The production and management of these data scatters in different administrative authorities. How to effectively manage and share the large amount of data is the key for digital basin. This paper uses the design thought of Subject-point-source database to meet the fusing management of basin data and then shows an information sharing model for digital basin based on metadata directory, SOA and publishing/subscription technology.