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Design and Implementation of China Integrated Meteorological Information Sharing System (CIMISS)
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摘要: 为满足对海量气象数据管理和服务的需求，国家气象信息中心设计开发了全国综合气象信息共享系统 (CIMISS)。该文描述了系统基本设计思路、功能结构、基础平台体系结构、信息流程，阐述了系统为用户提供的基础数据使用环境。系统由数据收集与分发系统、数据加工处理系统、数据存储管理系统、数据共享服务系统、业务监控系统5个业务子系统组成，承担数据收集、加工处理、存储管理、共享服务和业务监控任务。系统设计和开发采用了一系列现代信息技术，包括基于消息和文件共享的平台内信息交换、气象数据标准化分类、数据处理作业调度和算法的动态扩展、元数据的设计和应用、公共配置信息管理、全流程业务监视和调度控制、面向服务的多维度数据存储策略、全局数据访问视图和统一访问接口设计等。该系统为我国国家级和省级气象业务提供了统一规范的气象数据使用环境。Abstract: Meteorological data play a fundamental role in processes of meteorological operations and services. In recent 20 years, China has rapidly developed traditional and newly observational systems, which produce a large volume of meteorological data and products. To meet requirements of data management and services, China Integrated Meteorological Information Sharing System (CIMISS) is developed by National Meteorological Information Center of China Meteorological Administration. The design principle, system structure and data flow, and core technologies of this system are introduced and illustrated in detail. CIMISS is composed of five sub-systems, which are China Telecommunication System (CTS), Data Processing Center (DPC), Service-Oriented Database (SOD), Global Data Sharing (GDS), Monitoring and Control Platform (MCP). CIMISS is designed for undertaking a series of operations of meteorological data collecting, processing, storage, retrieval and dissemination. Data cover all real-time and historical meteorological observations and products, including 14 classes that are surface, upper-air, solar radiation, oceanic meteorology, agro-meteorology, radar, satellite, proxy climate, atmospheric chemistry, numeric model analysis and forecast, scientific experiment, meteorological disaster, meteorological service product and the others. Data cover the geographic area from China to global, and the period from 1951 to now. Real-time data come from all kind of meteorological observation networks in China, and the Global Telecommunication System of World Meteorological Organization.A set of information technologies are introduced and developed to design and implement the system, including inner-system message switching based on message middleware and the parallel file system, classification and representation of meteorological data, the dynamic extension of data processing scheduling and algorithms, the design and application of 3 types of metadata, the management of common configuration information, monitoring and controlling for whole procedures of operational flow, service-oriented data storage strategy, the unified accessing view and application programming interface.CIMISS will manage all kinds of operational meteorological data used in national and provincial meteorological operations and services, and supply data application environment for operations of national service centers and 31 provincial service centers. Users can access the data by Web page and by application programming interface (API).
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Key words:
- meteorological data;
- CIMISS;
- data management;
- data service
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图 4 CIMISS平台基于消息和文件共享的平台内业务交互协作图
Fig. 4 Interchange and coordination of information between systems based on messages and files share
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