| 丘陵山区低空急流特性分析 |
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| 引用本文： | 郝为锋,王庆安.丘陵山区低空急流特性分析[J].气象科学,1996,16(3):256-263. |
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| 作者姓名： | 郝为锋 王庆安 |
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| 作者单位： | 空军气象学院!21110(郝为锋)，南京大学大气科学系!210008(王庆安)，空军气象学院!211101(苏晓冰，邹爱生) |
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| 摘 要： | 利用丘陵区边界层实测资料，分析了该地区８－９月份低空急流的特征及其演变规律；并从测站所处的地理环境，山凰 地形的力差异以及适中的风平流作用等，探讨了测站上空逆温的形成及其对低空急流的形成和维持作用，根据地形热力差所导致的气压斜压性，研究了低空急流的生消可能机制。
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| 关 键 词： | 低空急流 风廓线 斜压性 气流 丘陵区 |
THE ANALYSIS OF THE CHARACTERISTICS OF LOW-LEVEL-JET(LLJ) IN HILLY AREA |
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| Hao Weifeng.THE ANALYSIS OF THE CHARACTERISTICS OF LOW-LEVEL-JET(LLJ) IN HILLY AREA[J].Scientia Meteorologica Sinica,1996,16(3):256-263. |
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| Authors: | Hao Weifeng |
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| Abstract: | By using boundary layer data actually measured in hilly area,we analyse the characteristics and evolutional law of LLJ in August and September in that area;on the basis of the geographical environment where the station locates,the thermodynamic difference of hilly terrain,and the effect of medium wind-advection,etc.,we analyse the formation of hanging invertion over the station and its effects on LLJ's formation and maintenance ;according to layer's barocline resulting from terrain' s thermodynamic difference, we explore the possible essence of LLJ's genesis and disappearance. |
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| Keywords: | Low level jet Wind profile Hanging invertion Barocline feature |
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