ESTIMATION OF CHARACTERISTICS OF MICRO-BAROMETRIC WAVE AND ITS EFFECT ON LONGWAVE PROPAGATION

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  • あびきの要因となる微気圧波群特性の推定とそれが長周期波伝播に及ぼす影響について
  • アビキ ノ ヨウイン ト ナル ビキアツハグン トクセイ ノ スイテイ ト ソレ ガ チョウ シュウキハ デンパ ニ オヨボス エイキョウ ニ ツイテ

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Abstract

 The characteristics of micro-barometric waves in Kyushu island estimated from analysis of high resolution stationary data was similar between each station. The propagation speed and direction was estimated based on cross-correlation analysis. Even if synoptic low-pressure development was similar, micro-barometric wave propagation process was different. Numerical simulation results show the possibility of significant meteorological tsunami caused by very small amplitude pressure waves, and importance of group wave characteristics, e.g. number of waves or wave length.

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