HIERARCHICAL TIME-SCALE STRUCTURE IN DEPENDENCY OF RAINFALL DISTRIBUTION ON TOPOGRAPHY

HIERARCHICAL TIME-SCALE STRUCTURE IN DEPENDENCY OF RAINFALL DISTRIBUTION ON TOPOGRAPHY
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降雨分布与地形相关的层次时间尺度结构

DOI：
10.2208/prohe.44.91
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发表时间：
2000
期刊：
影响因子：
--
通讯作者：
S. Ikebuchi
S. Ikebuchi
中科院分区：
--
文献类型：
--
作者：
E. Nakakita;Yoshiharu Suzuki;S. Ikebuchi

文献摘要

被引文献

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山区降水分布的时空变异性非常复杂，特别是在日本。然而，如果考虑到降雨分布与地形的关系而形成的分级时间尺度结构，则有可能用地形特征来表示大于边界尺度的降雨在时间尺度上的分布。本文通过对九州南部和K：Inki地区的雷达观测资料的分析，明确了山区降水分布具有层次时间尺度结构，并试图从降雨事件类型的关系来解释这种层次结构特征。
Temporal and spatial variability of rainfall distribution over mountainous area is very complicated particularly in Japan. However if hierarchical time-scale structure in dependency of rainfall distribution on topography is taken into the consideration, it is possible that rainfall distribution in time scale greater than a boundary scale is almost uniquely expressed by topographical features. In this study, by analyzing data observed by radars in the southern part of Kyusyu and in K: inki district, it is made clear that the rainfall distribution over mountainous area has a hierarchical time-scale structure, and it is also attempted to explicate the characteristic of hierarchical structure by considering the relation to type of rainfall event.