摘要:
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本文主要是利用水汽图像和HLAFS数值模式计算方法从定性到定量地研究1998年6月12 日~14日江南北部的一次大暴雨过程。通过云系路径的分析和发展的定量研究,我们可清楚看到影响江南北部这次大暴雨过程的天气系统,是从青藏高原东移的。其中,特别是该系统(气旋)东移到暖湿的海面时得到了大量暖海表面水汽蒸发补充,水汽上升凝结潜热释放,促使气旋迅速发展。 |
In this paper rain gush process over the north section of the south of Changjiang River during 12-14 of June, 1998 was studied qualitatively and quantitatively by moisture image and HLAFS numerical model. Through the analysis for cloud tracks and the quantitative study for cloud strengthen, it was clearly seen that this process was come up from Qingzang plateau, and cyclone system was rapidly intensified when it was moved over the warm and moist sea surface by absorbing a plenty of moisture, which would supply latent heat as rising. |
参考文献:
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[1] 李国文.西南热低压及其预报的研究.气象学报,1965,35(2). [2] 叶笃正等.青藏高原气象学.1979. [3] 郑新江等.水汽图象.1994. [4] 朱乾根等.天气原理和方法.1979. |
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