Relationship of Runoff and Sediment with Rainfall Characteristics in Different Land use

PENG Wen-ying; ZHANG Ke-li

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Relationship of Runoff and Sediment with Rainfall Characteristics in Different Land use

- Relationship of Runoff and Sediment with Rainfall Characteristics in Different Land use
- Bulletin of Soiland Water Conservation Vol. 20, Issue 4, Pages: 25-29(2001)
- 作者机构：
  
  北京师范大学资源与环境科学系,北京,100875
- 作者简介：
- 基金信息：
- DOI：
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- Published：2001
- 稿件说明：
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PENG Wen-ying, ZHANG Ke-li. Relationship of Runoff and Sediment with Rainfall Characteristics in Different Land use[J]. Bulletin of Soiland Water Conservation, 2001, 20(4): 25-29.
DOI：

PENG Wen-ying, ZHANG Ke-li. Relationship of Runoff and Sediment with Rainfall Characteristics in Different Land use[J]. Bulletin of Soiland Water Conservation, 2001, 20(4): 25-29. DOI：

摘要

为了明确土地利用对水土资源的影响

必须明确不同土地利用的产流产沙特征

尤其是要研究与降雨特征的关系。通过对陕西省安塞县降雨侵蚀资料的分析

研究了不同土地利用方式产流产沙随降雨量、降雨强度和降雨侵蚀力变化的规律。不同农作的侵蚀性起始产流雨量雨强差异不明显

不同土地利用产流产沙随降雨特征的变化具有明显的分段性

产流产沙及减流减沙主要是在I

≥ 0.4mm/min

P≥ 50mm时段内产生

它们的差异也主要发生在该时段内。同时

不同土地利用的产流产沙和减流减沙还具有明显的季节性。

Abstract

In order to analyze the influence of land use on soil and water resources

the character of runoff and sediment in different land use should be studied

particularly the relation with rainfall character.The laws of runoff and sediment in different land use varying with rainfall

intensity and erosivity of rainstorm

are pointed out

and their subsection character are laid stress on. Runoff and sediment

and their reduction in different land use all mainly occur in I30≥0. 4 mm/ min

P≥50 mm

as well as their differences. Meantime

runoff and sediment and their reduction in different land use showed a seasonal characteristic.

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Keywords

references

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