国家环境监测综合数据空间元数据库系统的设计

利用元数据对数据进行描述、查询检索和管理可以满足数据生产者对数据的管理和维护 ,并能使用户实现快速查询。全国环境质量元数据库系统的建立是为了规范环境质量数据信息 ,使环境质量信息共享成为可能 ,使二十年来积淀下来的全国环境质量监测信息成为可在国内进行共享的宝贵资料 ,唤起广大人民群众对环境问题的普遍关注 ,共同投身于环境保护事业 ,改善我们的生存环境

Design on China national environmental monitoring spatial metabase system

It can meet data producer's demands and can make it possible for user to search what he wanted using metadata which can describe, search and manage data easily The design of China environmental metadata system make it possible to share environmental information among the masses of people by standarding environmental information Tt can arouse people to pay more attention to environmental problem and take more action to protect environment by sharing and using the accumulated environmental datum for more than twenty years