On November 19, 2012, China used the "Long March 2C" carrier rocket at the Taiyuan Satellite Launch Center to successfully send the Environment One satellite C into space. This launch of the No. 1 satellite, Environment One, is one of the small satellites in the constellation of environmental and disaster monitoring and forecasting satellites in China. Environmental One C Star Launch Environment One C Star The small satellite constellation for environment and disaster monitoring and forecasting is China's first small satellite constellation dedicated to environment and disaster monitoring and forecasting, and it is also China's first multi-satellite and multi-load civil earth observation system. The small satellite constellation for environment and disaster monitoring and forecasting was approved by the State Council in September 2002 and consists of 2 optical small satellites (HJ-1A, B) and 1 small synthetic aperture radar satellite (HJ-1C). Constellation, referred to as "Environment One" (codename HJ-1). Environment A and B have been successfully launched at the Taiyuan Satellite Launch Center on September 6, 2008, and are now operating normally. The specific satellite parameters are shown in the table below Table S-band synthetic aperture radar main technical indicators Environment One C will form an environment one small satellite constellation with the two optical stars of Environment One A and B, which will initially meet the environmental monitoring and warning requirements for time, space, spectral resolution, and all-weather and all-weather observation needs. At the same time, it will greatly improve China's large-scale water environment, ecological environment, environmental supervision, and emergency response to environmental incidents, and the overall level of remote sensing applications. The SAR data of Environment One C star can play a role in the following important environmental protection fields: Water environment monitoring: In terms of water pollution monitoring, radar data can assist optical data for remote sensing monitoring of red tide and marsh moss in coastal areas; oil spill pollution monitoring, early warning and evaluation can be carried out in key sea areas such as the Bohai Sea and the Yellow Sea. With regard to the monitoring of drinking water source protection areas, it is possible to effectively identify the fence culture in drinking water source protection areas, determine their scope, scale and changes, and provide information support for the protection of drinking water source areas. Ecological environment monitoring: In terms of land use / land cover classification, the comprehensive application of radar image and optical image data can be used to classify medium-scale land use, land cover and ecosystem, expand the classification system, and improve efficiency and accuracy. In terms of ecological environment parameter inversion, radar data can sensitively reflect changes in ecological parameters such as soil moisture and forest biomass, thereby providing auxiliary reference information for the comprehensive assessment of ecosystem quality. In terms of eco-environmental quality assessment, other ground monitoring and other data can be supplemented to conduct environmental quality assessment and change trend analysis from aspects such as ecological safety, ecosystem health, and ecological environmental carrying capacity. Environmental supervision: In terms of mine resource development, remote sensing supervision can be carried out on southern rare earth development, open-pit iron mines, and open-pit coal mines, for example, to identify their location, scope, dynamics and their impact on the surrounding environment. With regard to the supervision of human interference in nature reserves, it is possible to identify human activities in nature reserves and evaluate their impact. In the supervision of multiple types of solid waste yards, solid waste yards such as manganese slag, phosphogypsum, fly ash, and coal gangue can be supervised to assist in identifying the location, scope, and possible environmental risks of optical data. In terms of nuclear power plant and electromagnetic radiation supervision, the use of radar data for the penetration of facilities under construction and operation and the monitoring capability of high-voltage line towers to monitor the construction and operation of nuclear power plants and the spatial distribution of high-voltage line towers provide information support for nuclear power plants and radiation supervision . In areas such as hydropower development, infrastructure construction, large-scale project construction, and regional environmental impact assessment, sensitive targets can be identified and analyzed to provide information support for regional and project environmental impact and environmental risk assessment. Environmental emergency: In terms of emergency response to sudden environmental events, radar data can take advantage of its all-weather and all-weather advantages, and obtain effective data under harsh weather conditions such as cloudy and rainy, thereby making up for the lack of optical data under similar conditions. , To provide important reference information for emergency monitoring and response in a timely manner. In addition, C-Star will also play an important role in disaster reduction, such as flood and flood disaster monitoring, drought monitoring, snow disaster monitoring, landslide and debris flow monitoring, ice monitoring and sea ice monitoring. Stainless Steel Trolley,2-Tiers Trolley,Restaurant Two Tier Trolley,Stainless Steel Wheel Trolley Jiangmen Vanky Stainless Steel Products Co., Ltd. , https://www.vankystar.com