Roles of Eastern Siberian Mountain Ranges in Precipitation -Verkhoyansk, Dzhugdzhur and Stanovoy Mountain Ranges-

DOI Web Site 参考文献11件 オープンアクセス

書誌事項

公開日
2011
資源種別
journal article
DOI
  • 10.2151/sola.2011-037
公開者
公益社団法人 日本気象学会

説明

Precipitation amounts of three Lena mountain ranges (Verkhoyansk, Dzhugdzhur and Stanovoy) were investigated using numerical simulations for three months. First, we examined the precipitation distribution in eastern Siberia using routine station data. A north-south precipitation gradient was found, with the greatest precipitation in a southern area, and 47% of precipitation occurring in June, July, and August.<br>To isolate the roles of the three Lena mountain ranges in determining precipitation, especially the north-south precipitation gradient, we conducted mountain removal experiments to examine differences in precipitation from the results of a real topography experiment. Results show that the Verkhoyansk (northeast of the Lena Basin) and Dzhugdzhur Mountain Range (southeast) had a weak effect on the north-south precipitation gradient. It was caused by relatively low specific humidity for Verkhoyansk and low elevation for Dzhugdzhur mountain range. The Stanovoy mountain range (south) exhibited a strong effect with higher specific humidity and elevation. Thus Stanovoy mountain range has the most contribution to north-south precipitation gradient among three Lena mountain ranges.

収録刊行物

  • SOLA

    SOLA 7 145-148, 2011

    公益社団法人 日本気象学会

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