一个500百帕高度场的长期数值预报模式
投稿时间:1986-03-12  修订日期:1986-04-30  点此下载全文
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陈平  
中文摘要:以Charney等人提出的大气多平衡态理论为根据,设计了一个适用于作500百帕高度月距平场预报的长期数值天气预报模式。本文介绍了模式的设计思路,分析了几个预报个例,最后指出了模式存在的一些不足,提出了改进方案。
 
A LONG-RANGE NUMERICAL MODEL FOR PREDICTING ANOMALIES OF GEOPOTENTIAL HEIGHTS AT THE 500-HPA LEVEL
Abstract:On the basis of the theory of multi-equilibrium of the atmosphere proposed by Charney and Devote(1979), anumerical model for predicting the departures from the monthly or seasonal normals of geopotential heights at the 500-hPa level is constructed. The results show that this model has certain predictability for weather systems of longer life-spans. Several predicted cases are analysed. Problems about the model are discussed and approaches for further improvement suggested.
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