福衛七號大氣溫度與水氣資料應用

Project Details

Description

FORMOSAT-7/COSMIC-2 (F7C2), which was launched in June 2019, is a constellation with six satellites. As the satellites’ mission payload, the tri-GNSS radio occultation system (TGRS) onboard F7C2 provides about 4,000 neutral atmospheric profiles every day, covering the latitudinal range of ±50°. The dense observations enable us to research the morphologies of some atmospheric phenomena. Therefore, we propose this 3-year project regarding three atmospheric topics. In each year, one topic will be studied using the F7C2 wetPf2 dataset, which contains atmospheric parameters such as temperature, water vapor pressure, and refractivity, from the surface to 60 km altitude. In the first year, the study will focus on the atmospheric boundary layer (ABL) and its temperature inversion. The main targets are to study the climatology of ABL and develop the technique to detect the ABL top. In the second year, this project will investigate the relationship between the atmospheric melting layer (ML) and precipitation. The possible impacts of the ocean-atmospheric condition on the ML and precipitation will be investigated as well. We will also study atmospheric rivers (AR) and atmospheric gravity waves (AGWs) excited by ARs in the third year. The main purpose is to understand the spatio-temporal properties of those AGWs excited by ARs. Finally, we will discuss those applications of the F7C2 wetPf2 dataset, and the conclusions of this project will be made.
StatusFinished
Effective start/end date1/08/2131/10/22

UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This project contributes towards the following SDG(s):

  • SDG 6 - Clean Water and Sanitation
  • SDG 13 - Climate Action
  • SDG 14 - Life Below Water
  • SDG 17 - Partnerships for the Goals

Keywords

  • FORMOSAT-7/COSMIC-2 (F7C2)
  • wetPf2 data
  • atmospheric boundary layer
  • temperature inversion
  • melting layer
  • atmospheric river
  • atmospheric gravity waves

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