两种降雹频数气候图空间分布一致性的初步分析

杨贵名;杨晓霞;宗志平;马学款

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高原气象 ›› 2006, Vol. 25 ›› Issue (3) : 525-530.
论文

两种降雹频数气候图空间分布一致性的初步分析

  • 杨贵名;杨晓霞;宗志平;马学款
作者信息 +

The Preliminary Analysis Spatial Agreement between Two Kinds of Hail Frequencies

  • YANG Gui-ming;YANG Xiao-xia;ZONG Zhi-ping;MA Xue-kuan
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摘要

为了察看利用单站降雹频数Fs和区域降雹频数Fa制作的两种气候图的频数分布是否一致?我们绘制了该两种气候图,并进行了初步分析。结果表明,在引进了降雹频数凹凸度R,又引进了空间一致性表达式后,在两种降雹频数气候图上,它们高(低)值分布有84%的格点相一致。

Abstract

Usually,there are two kinds of hail frequency data: One is in the station(Fs);another,in a area(Fa).Are their climate distribution map the same? to answer the question,the two climate maps of hail frequency were made with Fs and Fa.Some intercomparisons with each other were done.Firstly concavity(R) in hail frequency was introduced in order to watch the agreement in relative distribution of hail frequency(F) in two climate maps(as F is relative large,R<ε;relative less,R>+ε;saddle).Secondly,spatial agreement was also calculated used formula introduced.Results indicated(at least) 84% of grid numbers(distribution of high or low value) is agreement in two climate maps.

关键词

两种降雹频数气候图 / 降雹频数的凹(凸)度

Key words

Two climate maps of / Concavity (convex) o

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杨贵名;杨晓霞;宗志平;马学款. 两种降雹频数气候图空间分布一致性的初步分析. 高原气象. 2006, 25(3): 525-530
杨贵名;杨晓霞;宗志平;马学款. The Preliminary Analysis Spatial Agreement between Two Kinds of Hail Frequencies. Plateau Meteorology. 2006, 25(3): 525-530

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基金

科技部科研院所社会公益研究专项课题(2004DIB3J100)资助
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