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汀江上游水沙变化特征分析

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  • NETL
  • NSTL
  • 万方数据
  • 维普
本文对汀江上游观音桥水文站1990～2005年的降水量、径流量、输沙量等相关资料进行了统计分析,结果表明,降雨、径流和输沙量主要集中在4、5、6、8月份,均呈弱双峰型,峰值出现在6、8两个月,主峰值出现在6月份.运用回归分析发现降水量与径流量之间具有良好的正向相关性,而输沙量与二者之间相关关系都不明显;采用Kendall秩次相关分析法对降水量、径流量和输沙量进行趋势分析,在降水量和径流量变化不十分明显的情况下,输沙量有显著的下降趋势,表明汀江上游多年来的水土保持工作的取得了一定的效果.
Characteristics Analysis of Runoff and Sediment in Upper Reach of Tingjiang River
Statistical data of the precipitation,runoff,sediment discharge from 1990 to 2005 recorded at Guanyinqiao Hydrometfic Station on the upstream of the Tingjiang River was analyzed.The rainfall,runoff and sediment discharge concentrated in April,May,June and August appear as weak dual-peaks.They reach their peaks in June and August,and the highest point appear in June.Runoff correlates positively with precipitation,while neither of the two is correlated with sediment discharge,shown in regression analysis.The Kendall Rank Correlation analysis demonstrated a significant downward trend of sediment discharge,while the other two were not obvious due to soil and water conservation.

ChangtingGuanyin bridgeprecipitationrunoffsediment dischargesoil and water conservation

周素萍、张兴奇

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南京大学地理与海洋科学学院,江苏,南京,210093

长汀 观音桥 降水量 径流量 输沙量 水土保持

2010

水文
水利部水文局 水利部水利信息中心

水文

CSTPCDCSCD北大核心
影响因子：0.742
ISSN：1000-0852
年,卷(期)：2010.30(2)
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