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首页> 外文期刊>Chinese science bulletin >Relationship between the atmospheric heat source over Tibetan Plateau and the heat source and general circulation over East Asia
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Relationship between the atmospheric heat source over Tibetan Plateau and the heat source and general circulation over East Asia

机译：青藏高原大气热源与东亚热源及总环流的关系

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摘要

On the basis of NCEP/NCAR version I daily reanalysis data from 1971 to 2000 and by the methods of inverse calculation, correlation analysis and comparative analysis, the influences of atmospheric heat source (AHS) over the Tibetan Plateau on the large-scale AHS and the general circulation in summer are studied in this paper. The results show that AHS over the plateau in summer may trigger a heat source wavetrain propagating northeastward along the coast from the East Asian continent and West Pacific to Bering Strait-Arctic or even North America. In addition, if AHS over the eastern plateau is intense, South Asian High moves to southeast and West Pacific subtropical high moves to southwest; on the contrary, if AHS over the eastern plateau is weak, South Asian High moves to northwest and West Pacific subtropical high moves to northeast. Therefore, South Asian High and West Pacific subtropical high move in the horizontally-opposite directions in terms of interannual variation, for which AHS over the eastern plateau seems to be thermodynamically responsible.
机译：根据1971-2000年NCEP / NCAR I的日再分析数据，并采用反演，相关分析和比较分析的方法，研究了青藏高原大气热源（AHS）对大规模AHS和本文研究了夏季的总体环流。结果表明，夏季高原上的AHS可能会触发热源波列，该波列沿东亚大陆和西太平洋沿海岸向东北传播，到达白令海峡-北极甚至北美。此外，如果东部高原上的AHS强烈，则南亚高压将移至东南，西太平洋副热带高压将移至西南;相反，如果东部高原的AHS较弱，则南亚高压将向西北移动，而西太平洋副热带高压将向东北移动。因此，南亚高压和西太平洋副热带高压的年际变化沿水平相反的方向移动，东部高原上的AHS似乎是由热力学引起的。

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