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KMID : 1024520120210020263
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Journal of the Environmental Sciences
2012 Volume.21 No. 2 p.263 ~ p.266
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Comparing the Effect of Both Thermal and Mechanical Forcing on the Error of Typhoon Track
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Kim Hae-Dong
Won Seong-Hee
Choi Ki-Seon
Park Sang-Wook
Jang Ki-Ho
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Abstract
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To compare the effects of two external forcing on track of typhoon, TWRF(Typhoon WRF) based ensemble experiments are carried out in the case of Typhoon Morako which is the 8th typhoon at Northwest Pacific region in 2009. The two forcing are tropical SST and topography induced thermal and mechanical forcing, respectively. According to the result of numerical experiment for five-day forecast, the effect of mechanical forcing is about two times stronger than thermal forcing on the track error of the typhoon. More case study for other typhoon will be done as a next paper
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KEYWORD
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Typhoon track, TWRF, Thermal forcing, Mechanical forcing
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