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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/5080


    Title: Retrievals of Temperature/Moisture Parameters from AMSU and Its Application in Typhoon Monitoring
    Authors: 郭宗華;Tsung-Hua Kuo
    Contributors: 太空科學研究所
    Keywords: 颱風;衛星;amsu;amsu;satellite;typhoon
    Date: 2003-07-15
    Issue Date: 2009-09-22 09:44:42 (UTC+8)
    Publisher: 國立中央大學圖書館
    Abstract: 由1998年新一代的氣象衛星NOAA-15升空後,其所攜帶的新一代先進微波探測單元,AMSU,有比以往的剖線探測器更高的空間解析力及頻道解析力,因此,此新儀器資料能提供我們更強的颱風分析能力。本研究之目的即在於建立NOAA AMSU 資料的溫濕度剖線的反演方法,並利用其反演結果分析颱風參數。 在溫濕度剖線反演,本研究是使用IAPP程式套求得剖線,並與台灣地區6個探空站相較,其溫度剖線的RMSE約為2.5K。而在颱風分析方面,本研究利用靜力流體平衡及梯度風方程兩個假設導出颱風徑向方向最大風速做為颱風強度的指標。另外並建立temperature anomaly與最大風速間的迴歸關係。另外,本研究也建立路徑預測的迴歸方程。由於AMSU資料有比MSU資料更好的空間解析,因此其分析結果都較MSU資料結果來的佳。 The goal of this study is to use NOAA AMSU data to retrieve the atmospheric temperture/moisture profiles, and use the result for typhoon monitoring. AMSU can provide a better much spatial resolution in 48 km than its firstrunner, MSU. Hence, it provides a more powerful capacity in typhoon monitoring. In retrievals, this study used IAPP package to obtain the atmospheric profiles, and got a accuracy at 2.5 K or so. Meanwhile, this study used the retrieved temperature field to derive the typhoon maximum wind speed. Again, this study used the derived the parameters to construct the typhoon prediction model in predict the typhoon track/intensity variations.
    Appears in Collections:[太空科學研究所 ] 博碩士論文

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