| 冬季北半球风暴轴能量演变的个例分析 |
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| 引用本文： | 孙照渤,朱伟军.冬季北半球风暴轴能量演变的个例分析[J].南京气象学院学报,2000,23(2):147-155. |
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| 作者姓名： | 孙照渤 朱伟军 |
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| 作者单位： | 南京气象学院大气科学系,南京,210044 |
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| 基金项目： | 国家自然科学基金资助项目!( 494 752 58) |
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| 摘 要： | 利用观测资料，从扰动能量变化方程出发，通过分析能量的逐日演变过程，对风暴轴的各种内部因素在其维持中的作用进行了详细探讨。结果发现，涡动非地转位热能量所引起的“下游发展效应”是风暴轴得以在一常定区域维持的重要因素。
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| 关 键 词： | 风暴轴 涡动非地转位势通量 能量演变 |
| 修稿时间： | 1999-11-29 |
A CASE STUDY OF ENERGY TEMPORAL VARIATION FOR SYNOPTIC DISTURBANCES OVER THE NORTHERN WINTER STORM TRACK |
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| Sun Zhaobo,Zhu Weijun.A CASE STUDY OF ENERGY TEMPORAL VARIATION FOR SYNOPTIC DISTURBANCES OVER THE NORTHERN WINTER STORM TRACK[J].Journal of Nanjing Institute of Meteorology,2000,23(2):147-155. |
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| Authors: | Sun Zhaobo Zhu Weijun |
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| Abstract: | Based on the local eddy kinetic and available potential energy functions, detailed diagnosis of daily energy evolution is conducted to reveal the relative contribution of several inertial processes such as baroclinic, barotropic processes and eddy ageostrophic geopotential flux, etc., to the maintenance of storm track. It is shown that the "downstream development effect" caused by eddy ageostrophic geopotential fluxes serves as an important factor for the maintenance of track in a preferred region. |
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| Keywords: | storm track eddy ageostrophic geopotential fluxes maintenance |
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