首页|黄土高原地区中小流域日降雨空间分布特征

黄土高原地区中小流域日降雨空间分布特征

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原文链接
  • 国家科技期刊平台
  • NETL
  • NSTL
  • 万方数据
  • 维普
选择黄土高原具有代表性、雨量站网较密的岔巴沟流域日雨量资料,分析日降雨的空间分布特征.在相关域的基础上,进一步借用正六边形空间结构估算单站所代表的面积.结果表明,在0.8和0.7的相关水平上,黄土高原日降雨的相关域分别为9和19 km;按照正六边形空间结构估算,在0.8和0.7的相关水平上,单站所代表的面积分别为70和310 km2.为准确预报土壤流失量提供了依据.
CHARACTERISTIC ANALYSIS ON THE RAINFALL SPATIAL DISTRIBUTION OF MEDIUM AND SMALL WATERSHEDS IN LOESS PLATEAU REGIONS
Daily rainfall data is one of the important material in calculating rainfall erosivity. To select optimum daily rainfall stations to reflect the rainfall characteristic in the Loess Plateau regions, the daily rainfall data about Chabagou watershed was analyzed. The relationship between daily rainfall correlation coefficient and distance between rain gauge stations was concluded. At the same time, hexagon structure was borrowed to discuss the area that one station can represent. It showed that when correlation coefficients were r=0. 8 and r = 0. 7, the longest distance between rain gauge stations should be no more than 9 and 19 km respectively.

Loess Plateau regiondaily rainfall dataspatial distribution

殷水清、谢云

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北京师范大学地理学与遥感科学学院,环境演变与自然灾害教育部重点实验室,100875,北京

黄土高原 相关域 日降雨 空间分布

国家自然科学基金教育部科学技术研究项目

40171059

2005

北京师范大学学报(自然科学版)
北京师范大学

北京师范大学学报(自然科学版)

CSSCICSCD北大核心
影响因子：0.505
ISSN：0476-0301
年,卷(期)：2005.41(1)
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