Is there a website dedicated to natural disasters in China?

China has a vast territory and changeable weather, and irresistible disasters such as floods, hurricanes, tornadoes and earthquakes occur frequently. Wenchuan earthquake has caused great harm to people's lives and property. In the past 50 years, the direct economic losses caused by natural disasters such as earthquakes, geology, droughts and floods, oceans and epidemics in China accounted for about 4% of the gross national product. Natural disasters have become an important factor affecting China's economic development and social security, and it is urgent to improve China's comprehensive ability of disaster prevention and reduction by relying on scientific and technological progress. I. Application and Construction Status of Science and Technology for Disaster Prevention and Mitigation in China At present, China has established a relatively complete and wide-ranging ground monitoring and observation network for meteorology, ocean, earthquake, hydrology, forest fires, pests and diseases, established meteorological satellites, marine satellites and ground satellites, and is building a disaster reduction constellation system. In terms of meteorological monitoring and forecasting, an advanced atmospheric detection system consisting of ground meteorological observation stations, space stations, various weather radars and meteorological satellites has been built, and a meteorological satellite data receiving and processing system, a modern meteorological communication system and a medium-term numerical forecasting operational system have been established. China has formed a basic meteorological information processing, analysis and forecasting system with reasonable division of labor, organic combination and step-by-step guidance. In order to monitor river floods, the state has established a hydrological monitoring network consisting of a large number of hydrological stations, water level stations and rainfall stations, and established remote sensing databases of early warning waters in seven flood-prone areas of rivers, and applied remote sensing technology to flood monitoring during the Eighth Five-Year Plan period. Significant progress has been made in flood control and drought relief engineering technology, and some areas have reached the world advanced level. In addition, modern science and technology are used to actively carry out comprehensive management of small watersheds, such as artificial precipitation enhancement, artificial hail suppression and drip irrigation projects in agricultural areas. These technical measures have played a very positive role in disaster prevention and mitigation to a certain extent. In earthquake monitoring and earthquake resistance, more than 400 earthquake observation stations have been established and digitized during the Tenth Five-Year Plan period. The China Digital Seismological System is composed of the National Digital Seismological Network composed of 48 national digital seismographic stations, 20 regional digital seismographic networks composed of more than 300 regional digital seismographic stations, several mobile digital seismographic networks and digital strong earthquake networks, and a strong earthquake early warning system and an earthquake precursor observation system have been established. A relatively complete monitoring and forecasting system has been formed, the national seismic intensity zoning map and earthquake damage prediction map have been compiled, 52 cities have been identified as national key cities for seismic fortification, comprehensive earthquake damage prevention has been carried out for engineering buildings in areas with national seismic intensity above 6 degrees, seismic fortification has been carried out for new projects in cities and large and medium-sized industrial and mining enterprises, and several railway trunk lines, main oil pipelines, several backbone power plants, large refineries, a number of key backbone iron and steel enterprises, super-large ethylene projects and large reservoirs have been strengthened. In the prevention and control of geological disasters, we have strengthened the investigation and prevention of geological disasters such as landslides, mudslides, collapses, ground subsidence and ground fissures, and adopted a comprehensive defense system including engineering defense system, biological soil and water conservation defense system, management protection system, social management system and prediction and alarm system, which has achieved certain results. At the same time, we should combine ecological construction with disaster prevention and mitigation, and implement closing hillsides to facilitate afforestation, returning farmland to forests and returning farmland to lakes. Twenty-five national key prevention and control areas of soil erosion have been established, soil and water conservation projects have been implemented in seven major river basins, and comprehensive management of landscape fields and forests has been carried out in more than 1 10,000 small river basins with serious soil erosion. Ten major forestry ecological projects have been built successively, including "Three North" shelterbelts, shelterbelts in the middle and upper reaches of the Yangtze River, coastal shelterbelts, plain farmland shelterbelts, shelterbelts in the Huaihe River and Taihu Lake basins, shelterbelts in the Pearl River basin, shelterbelts in the Liaohe River basin, shelterbelts in the middle reaches of the Yellow River, Taihang Mountain greening projects and desertification control projects. In addition, "Resource 1" and "Resource 2" satellites have been launched, which are widely used in resource exploration, disaster prevention and mitigation, geological disaster monitoring and scientific experiments. 2. The development of science and technology for disaster prevention and mitigation is slow. Second, the level of emergency research and operation of various disasters is quite different, and there are many low-level repeated studies; Third, the technical means and equipment are backward, the monitoring ability is not strong, and the short-term forecasting ability is still low; Fourth, there is a lack of scientific evaluation models and methods for various disasters, and the technology of disaster information sharing and evaluation needs to be improved urgently; Fifth, the understanding and prevention technology of some major disasters have been lingering for a long time; Sixth, the existing scientific research is not closely integrated with the actual situation of the country, and the overall supporting capacity of science and technology needs to be improved. 3. Lack of popular science education, unified disaster prevention and mitigation planning, fixed disaster prevention and mitigation popular science education base and regular disaster prevention and mitigation popular science publicity activities make the disaster prevention and mitigation popular science lack of systematicness and continuity, which leads to the low level of popular science education of public knowledge and awareness of disaster prevention and mitigation and the poor awareness of ecological environment protection in the whole society. It's finally affecting me. Countermeasures and suggestions on scientific and technological support for disaster prevention and reduction in China. Strengthen scientific and technological exchanges and cooperation in disaster prevention and mitigation at home and abroad, encourage scientific research institutions and management departments in disaster prevention and mitigation to carry out exchanges and cooperation at home and abroad, acquire advanced applied technology and management experience, and keep up with the latest technology. In the construction of transnational and trans-regional disaster prevention and mitigation projects, the government should actively coordinate and provide help and guarantee for the implementation of the projects.

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