The Fengyun-3E satellite can both measure sea winds and observe the sun. How does it help our scientific research?

The successful launch of the Fengyun-3E satellite, which is fully loaded with a batch of new detection equipment, not only enables our country’s meteorological satellites to have the ability to actively detect offshore wind fields for the first time, but also has the ability to observe the sun in multiple dimensions for the first time. . The update time limit for satellite observation data will be increased from 6 hours to 4 hours, the forecast accuracy rate will increase by about 3%, the forecast time limit will be extended by about 24 hours, and the meteorological disaster monitoring time limit will be nearly doubled.

The sea surface wind field plays a very important role in global climate regulation and has an important impact on ocean shipping, fishery and ocean engineering activities. Fengyun-3E satellite is equipped with a newly developed wind field measurement radar, which can actively obtain wind field information on the global ocean surface, including wind speed and wind direction, with a wind measurement accuracy of more than 1.5 meters per second. The wind field measurement radar is a newly added detection instrument of the Fengshen-3E satellite, and it is also the first active detection radar carried by the Fengshen satellite family. Compared with previous ocean wind field measurements, the detection method has been upgraded from single frequency band to dual frequency band, and the wind field measurement range and accuracy have been increased by more than 15%. The No. 3 double-star network observation capability has been formed in the second-generation polar orbit satellite cloud. Meteorological observations are carried out in the morning and afternoon at around 10 o'clock and around 2 o'clock in the afternoon. Therefore, the No. 3 meteorological satellite makes up for the It will clear the gaps in the morning and evening, and will cooperate with the network operation of the other three satellites to effectively improve the accuracy of weather forecasts in our country.

The No. 3E satellite successfully launched today is my country’s second-generation polar-orbiting meteorological satellite, the fifth satellite of the Yun-3 series. It is also my country’s most advanced meteorological satellite at present. The satellite is loaded with 11 sets of Detection equipment can obtain global environmental data such as atmospheric temperature and humidity, ice and snow, and surface temperature. While improving weather forecasting capabilities, it will also improve my country's comprehensive ability to respond to climate change and meteorological disaster prevention and reduction.

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