| 英文摘要 |
The six-satellite FORMOSAT-3/COSMIC (Constellation Observing System for Meteorology, Ionosphere & Climate) mission, launched in April 2006, was the first and largest space collaboration program between Taiwan and the U.S. FORMOSAT-3 utilized the radio occultation (RO) technique to receive the L-Band signals from the global positioning system (GPS) satellites. The primary objective was to obtain in near real time (NRT) vertical profiles of temperature, pressure, refractivity, and water vapor in the neutral atmosphere, and electron density in the ionosphere with global coverage at various altitudes for numerical weather prediction (NWP). FORMOSAT-3 was recognized as ''the most accurate and stable thermometer in space'' by the global meteorology community. FORMOSAT-3 has accumulated over 6.97 million atmospheric and 4.65 million ionospheric RO sounding profiles. As of December 2019, a total of 4,452 community users from 92 countries have used the FORMOSAT-3 data. FORMOSAT-3 would be decommissioned in Q2 2020, and replaced by the FORMOSAT-7/COSMIC-2 after fourteen years in service. The data are freely available from Taiwan Analysis Center of COSMIC(TACC). |
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