Quickly Measuring Method of Sediment Concentration in Collecting Tanks of Runoff Plots

LU Bing-jun; YUAN Ai-ping; ZHANG Wen-bo

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Quickly Measuring Method of Sediment Concentration in Collecting Tanks of Runoff Plots

- Quickly Measuring Method of Sediment Concentration in Collecting Tanks of Runoff Plots
- Bulletin of Soiland Water Conservation Vol. 28, Issue 2, Pages: 15-17(2009)
- 作者机构：
  
  1. 北京市水土保持工作总站,北京,100038
  3. 北京师范大学地理学与遥感科学学院,北京,100875
- 作者简介：
- 基金信息：
- DOI：
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- Published：2009
- 稿件说明：
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LU Bing-jun, YUAN Ai-ping, ZHANG Wen-bo. Quickly Measuring Method of Sediment Concentration in Collecting Tanks of Runoff Plots[J]. Bulletin of Soiland Water Conservation, 2009, 28(2): 15-17.
DOI：

LU Bing-jun, YUAN Ai-ping, ZHANG Wen-bo. Quickly Measuring Method of Sediment Concentration in Collecting Tanks of Runoff Plots[J]. Bulletin of Soiland Water Conservation, 2009, 28(2): 15-17. DOI：

摘要

径流小区作为土壤侵蚀监测的-种重要方法

在土壤侵蚀模型及预报中具有重大意义。快速准确地测量径流小区集流桶(池)中的泥沙含量直接决定了土壤侵蚀规律研究的科学性与土壤侵蚀预报的可靠性。搅拌法取样测量含沙量是目前应用最广的传统含沙量测量方法。但据实际观测

北京土石山区的粗砂多砂区采用该方法测得的含沙量明显偏小

土壤侵蚀量观测精度受到严重影响。为此

在北京地区

采用北京师范大学研发的全深剖面采样器来采集径流小区集流桶(池)水样以测量含沙量

并对设备进行更新。本研究拟根据北京地区的实际工作经验

简要探讨该设备的使用方法

注意事项以及实验室水样的快速处理方法。

Abstract

As an important method for soil erosion monitoring

runoff plot plays a significant role in soil erosion and prediction model. How to measure the sediment concentration quickly and accurately in collecting tanks directly determines the scientific research in the law of soil erosion and the reliability of the soil erosion. Sampling after mixing is currently the most widely used in sediment concentration measurement. However，in some rocky and earthy regions such as Beijing mountain region

the traditional measurement method，which is widely used，can not get the precise value of sediment concentration. We use the depth profile sediment sampler

which is designed by Beijing normal university，to monitor the sediment concentration in the collecting tanks of the runoff plots. This research briefly discusses the using and rapid processing methods of laboratory samples.

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