准确率超99% 我国气象探空业务系统全面迈进“北斗时代”

Core Points - The meteorological sounding business system in China has been fully upgraded from L-band sounding to BeiDou sounding, marking a significant advancement in high-altitude meteorological observation and placing China among the international leaders in this field [1][3] - The overall accuracy of the BeiDou sounding system's observational data exceeds 99%, and it has been applied in weather forecasting and climate monitoring [1][3] Group 1 - An advanced BeiDou sounding observation network has been established internationally [2] - China has built an integrated meteorological observation system covering land, sea, air, and space, primarily using balloons equipped with sounding instruments to collect atmospheric data such as temperature, humidity, pressure, wind speed, and direction [3] - The upgraded BeiDou sounding system is a domestically developed, internationally advanced next-generation meteorological sounding system capable of accurately obtaining vertical profiles of temperature, humidity, pressure, wind direction, and wind speed up to 30,000 meters above ground [3] Group 2 - The BeiDou sounding system supports China's deep participation in global meteorological observation, forecasting, and services [5] - Currently, China has established 131 BeiDou sounding stations, accounting for 12% of the total global sounding stations, with 88 of these being global data exchange stations, contributing approximately 11% of shared data to the global total [5]