China's environmental satellite data

China will next year set up the environment and disaster monitoring and forecasting satellite constellation system. The Constellation system will be composed of eight small satellites. Next year will launch the first of three small satellite constellation system. Experts told the reporter opened the magic veil of environmental satellites.

Construction of the three systems for environmental monitoring "dragnet"

Environment and disaster monitoring and forecasting of small satellite constellation by the satellite system, ground system, application system has three major components. SEPA Environmental Satellite Center Preparatory Office of the Deputy Director Wang Kiu, the researchers said satellite system is a satellite platform and payload, data transfer and in-orbit operations under the management of content; ground system includes standardized data receiving and processing, distribution services and the satellite payload operation and management of business content; applications mainly related to satellite remote sensing data in various fields of application, application-specific goals that focus on data analysis and data processing applications and production.

Small satellites and large satellite constellation system is the difference between it by a number of small satellites, compared with a low cost, high resolution characteristics of an integrated space-time. From satellite data back to the ground through the ground system for receiving, processing, and ground systems can also be necessary to adjust the satellite attitude. After receiving the computer down massive data processing, analysis, formation of data applications is what we often see in daily life satellite photos in order to be environmental and disaster monitoring departments to timely and accurate technical support for decision-making.

Currently China has more than 2000 environmental monitoring stations, each year produces 30 million environmental monitoring data, but our environment and disaster monitoring and research tools essential to stay in the conventional stage, can not adapt to sustained and stable economic and social development. China's environmental satellite ground with existing environmental monitoring stations together constitute the three-dimensional environment monitoring system, to achieve large-scale, timely, dynamic environment and disaster monitoring.

Civilian satellite has a family of "bright star"

State Environmental Protection Administration Secretary Zhao Yingmin technology standards, said: "Over the past on a survey of national ecological environment time-consuming, but also spent heavily, and the use of satellite technology, you can quickly and large-scale observation of the atmosphere, soil, vegetation and water quality conditions, offer the basis for environmental protection. "

Environmental satellite is China's second weather, ocean, land resources satellites after a new civilian satellite. Environment and disaster monitoring and forecasting of small satellite constellation by a number of small satellites, is equipped with a wide coverage of a CCD camera, infrared cameras, hyperspectral imager, synthetic aperture radar (SAR) sensors and other types of advanced earth observation system is currently the most technologically sophisticated civilian satellite, targets the most advanced systems.

Early 90s of last century, the State Environmental Protection Administration, the National Disaster Reduction Committee and the Aerospace Science and Technology Group co-sponsored the construction of environment and disaster monitoring and forecasting of small satellite constellation system recommendations. In 2000, the environment and disaster monitoring and forecasting of small satellite constellation to be included in the "Chinese civilian space program and, after 15 years of planning"; in 2001 the "White Paper on China's space" was listed as civilian satellite development priorities; February 2003, environment and disaster monitoring and forecasting of small satellite constellation project approved by the State.

Two stages to create a sound environment for satellite constellation system

Environment and disaster monitoring and forecasting systems, the small satellite constellation system to the owners, the State Environmental Protection Administration and the National Disaster Reduction Committee for the owners of satellite units are responsible for satellite operations management and applications development.

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