基于RDBMS的海洋溢油生物资源损害评估空间数据库研究

A RDBMS-based spatial database for marine oil spill biological resources damage assessment

为满足海洋溢油生物资源损害评估数据管理和共享的应用需求,提出构建基于关系数据库(RDBMS)的空间数据库。通过分析电子海图和评估模型数据中的矢量、栅格、时空等空间数据类型及其特征,探讨了RDBMS支持下的空间数据组织、压缩存储、维护管理的实现方法,并建立了基于空间数据库引擎的空间数据访问模式。应用实例表明,基于RDBMS的空间数据库可作为网络环境下溢油生物资源损害评估研究和应用的重要技术基础。

Due to the needs of data management and sharing for marine oil spill biological resources damage assessment,the development of a relative database management system（RDBMS） based spatial database was proposed.In this paper,the features of different spatial data（i.e.,vector data,raster data and spatial-temporal data） that used in the electronic chart displaying and numerical model were analyzed,key methodologies such as data structure organization,compression and storage,maintenance and management in a RDBMS were discussed.The spatial data access approach based on spatial data engine（SDE） was also presented.The application example showed that the RDBMS-based spatial database could work as an important technical basis for oil spill biological resources assessment under the network environment.