The design and application of the stations with automatic measurement of runoff and sediment in Yichuan

Zhang Hanxiong; Liu Xiangdong; Guo Zhongsheng

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The design and application of the stations with automatic measurement of runoff and sediment in Yichuan

- The design and application of the stations with automatic measurement of runoff and sediment in Yichuan
- Bulletin of Soiland Water Conservation Vol. 8, Issue 4, Pages: 36-40(1989)
- 作者机构：
  
  中国科学院水利部西北水土保持研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1989
- 稿件说明：
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Zhang Hanxiong, Liu Xiangdong, Guo Zhongsheng. The design and application of the stations with automatic measurement of runoff and sediment in Yichuan[J]. Bulletin of Soiland Water Conservation, 1989, 8(4): 36-40.
DOI：

Zhang Hanxiong, Liu Xiangdong, Guo Zhongsheng. The design and application of the stations with automatic measurement of runoff and sediment in Yichuan[J]. Bulletin of Soiland Water Conservation, 1989, 8(4): 36-40. DOI：

摘要

目前

坡面小区的径流泥沙

一般采用集水池或分流式集水箱测定

只能测定一次暴雨的径流量和泥沙量

而不能测定暴雨过程径流量和泥沙量的动态变化

也就难于准确地测定不同暴雨强度的径流量和泥沙量。现有的小流域测流设施大都是人工定时观测

难于准确测定径流随时间的变化

而且观测误差大

资料实用性很差。本文介绍宜川县铁龙湾林场松峪沟内两个实验小流域设置的自动径流泥沙测站

用以评价不同森林条件的减水减沙效益。这两个自动径流泥沙测站

能提供流域径流泥沙研究中极其短缺的洪水径流过程资料

是径流泥沙动态监测的有效工具。

Abstract

The runoff and sediment on slope plot are measured with water concentrate pond or box currently

which could measure amount of runoff and sediment of a single storm rainfall but not the dynamic change of them during the process of rainfall

and could not determine the amount of runoff and sediment under various intensities accurately. Because the installations currently used in small watershed are mostly for artificial measurement at fixed time

it is difficult to determine the variation of runoff with time precisely and is with greater errow in measurement

the pracaticality of the data is poor. The paper introduces the station to measure runoff and sediment automatically

set in two experimental small watersheds in Sunjigou gully at Tienongwan Forestry Field of Yichuan county

to evaluate the benefits of forest in reduction of water and sediment. The two stations may provide the data on the flow process of flood short in the study of runoff and sediment

being thought as the efficient tools for the dynamic monitoring of runoff and sediment.

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