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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/78226

    Title: 南海-海洋大陸區對流與大尺度環流交互作用 (II)-子計畫:使用衛星遙測資料探討南海地區之雲與對流過程(II);Investigate Cloud and Convection Processes in Scs-Mc by Using Satellite Data (Ii)
    Authors: 劉千義;楊智傑;陳維婷;蘇世顥
    Contributors: 國立中央大學太空及遙測研究中心
    Keywords: 向日葵八號;雲微物理參數;對流系統;日夜循環變化;Himawari-8;cloud microphysics parameters;convection system;diurnal cycle variability
    Date: 2018-12-19
    Issue Date: 2018-12-20 11:16:46 (UTC+8)
    Publisher: 科技部
    Abstract: 南海-海洋大陸區是西太平洋地區暖池,由於其特殊的地理位置與海陸分佈,於此區的對流旺盛, 具有明顯的日夜循環,且呈現多重尺度的天氣及氣候現象特徵。另外一方面,於2014 年日本發射了 新一代同步衛星-向日葵八號(Himawari-8),此衛星為當今最先進的同步衛星,其上籌載有16 個涵蓋 可見光,近紅外及紅外波段的Advanced Himawari Imager (AHI),可提供每十分鐘一筆的高品質觀測。 因此本研究計畫將規劃使用此觀測資料,研析南海-海洋大陸區的雲與對流系統。由於目前Himawari-8 並針對此區的直接相關雲參數的反演產品,目前第一年已運用運用NASA EOA A-Train Aqua 衛星上 的MODIS 及AIRS,併同CALIPSO 及 CloudSat 的觀測,進行多項雲之微物理參數反演,並進行各 項驗證,於此同時,也將衛星反演之大氣熱力參數,透過資料同化方式,改進高災害天氣的數值天 氣預報,相關研究,已發表於國際SCI 期刊,自評已達原先規劃之第一年進度。第二年之前半階段, 除了繼續落實驗證工作之外,亦搭配地面雷達之降雨觀測資料,後半階段則開始著手分析於本區雲 參數之日夜變化特徵。於計畫執行的第三年將接續前一年度之雲參數日夜變化特徵,並開始探討對 流系統之結構。藉由本計畫的執行,我們將能藉由衛星觀測資料,增進於此區雲與對流系統與結構的認知。 ;The South China Sea - Maritime Continent (SCS-MC) area is at the western Pacific warm pool. Due to its unique location, the convection is not only active but also with significant diurnal cycle, and has the characteristics of multiple scales of weather and climate regimes. On the other hand, Japanese Himawari-8 was launched in October 2014 and in operational mode since July 2015. It is the most advanced satellite in the geostationary orbit as of now, and with high quality 16-channels reflectance/radiances data at every 10 minutes temporal resolution. Therefore, this research is designed to use Himwari-8 data to investigate the clouds and convections and the associated variability in SCS-MC. Due to the lack of Himawari-8 optimal cloud products in the target region, the first year will investigate the estimation of cloud microphysical parameters from the synergistic use of NASA EOS A-Train Aqua’s MODIS, AIRS, CALIPSO and CloudSat data. The second year will focus on the validation and verification of retrieved cloud parameters. The preliminary analysis of cloud’s diurnal variability will be conducted as well. The third will consolidate the diurnal variability of clouds, and link to the convection system. It is anticipated to improve the knowledge and understanding to the clouds and convections in SCS-MC through the optimal use of meteorological satellite observation.
    Relation: 財團法人國家實驗研究院科技政策研究與資訊中心
    Appears in Collections:[太空及遙測研究中心] 研究計畫

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