Analysis the Typhoon Eyes of Megi from MTSAT Satellite Cloud Images with 3-D Profile Reconstruction

Analysis the Typhoon Eyes of Megi from MTSAT Satellite Cloud Images with 3-D Profile Reconstruction

Yueh-Jyun Lee (Ching Yun University, Taiwan), Ji-Chyun Liu (Ching Yun University, Taiwan), Shih-Wen Liu (Ching Yun University, Taiwan), Yuh-Fong Lin (Ching Yun University, Taiwan) and Lung-Chun Chang (Ching Yun University, Taiwan)
Copyright: © 2011 |Pages: 10
DOI: 10.4018/jdls.2011070105
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Abstract

In this paper, image reconstruction technique (IRT) is used to reconstruct a 3-D profile of typhoons from MTSAT satellite cloud image data and based on a 1691 MHz receiver and iDAP system. The satellite cloud image data gives a single line profile slicing from a surface cloud image which does match the typhoon distribution. The line profile is presented with the temperature of the cloud top. The 3-D profiles of typhoons are constructed with the surface cloud images and the temperatures. IRT is conducted using the data of the 2010 Megi event. The typhoon feature is studied and the various typhoon eyes in three time intervals are analyzed. An effective early-warning system may become feasible based on this work.
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Image Reconstruction Technique And Methodology

The three typhoon cloud images of Megi typhoon were occurred and shown in Figure 1 (a) to (c) respectively, typhoons in first interval, second interval and third interval when 01:32, 17 Oct. 01:32, 18 Oct. and 04:32, 18 Oct. 2010 located near Taiwan. The boundary covered the 760 km by 840 km area has contoured in each image data.

Figure 1.

Three cloud images of Megi typhoon: (a) first interval, (b) second interval, (c) third interval

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