Research on marine environmental data management in China digital ocean prototype system

Digital ocean prototype system is a key part of the China digital ocean information basic framework and the basic integration platform for China ocean information management and application. The purpose of marine environment data warehouse is to provide comprehensive and multiple marine information services. This paper proposed distributed marine environment data warehouse construction, and gives solutions to the key issues, i.e. data registration, publishing and uploading; metadata catalog service; analytic themes in marine environment data warehouse; logical model of multidimensional data; and data visualization.