长江流域地理地形对区域降雨分布影响的估算

2012 IEEE Fifth International Conference on Advanced Computational Intelligence (ICACI) Pub Date : 2012-10-01 DOI:10.1109/ICACI.2012.6463272

Lan Shi, Yuanyuan Ding, Yongjian He

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引用次数: 1

摘要

本文利用偏最小二乘(PLS)回归分析方法建立了考虑地理和地形因素的区域降雨分布估计模型。结果表明，PLS回归估算的长江流域面积降水分布在定性和定量上都能较好地再现实际降水空间分布。地理地形因素对区域降水分布有显著影响。不同的地形条件对降水的影响各不相同，不同季节的降水差异很大。地形复杂的地区降雨分布差异较大。

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Estimation for geographic and orographic influence on the area rainfall distribution in Yangtze river basin

This paper builds a model with the partial least-squares(PLS) regression analysis method to estimate area rainfall distribution in which geography and terrain factors are taken into account. The results indicate that the estimated area rainfall distribution with PLS regression in Yangtze river basin correctly replicates real spatial distribution of precipitation qualitatively and quantitatively. Geographic and topographic factors on area rainfall distribution have significant influences. Different terrain conditions on the effect of precipitation each are not identical, and the precipitation of different seasons varies a lot. Area rainfall distribution of complex terrain is quite different.

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2012 IEEE Fifth International Conference on Advanced Computational Intelligence (ICACI)

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