Study on the Relationship between Runoff and Sediment and Rainfall in the Hilly Area of Center Southern of Shandong Province

doi:10.13870/j.cnki.stbcxb.2017.01.003

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Study on the Relationship between Runoff and Sediment and Rainfall in the Hilly Area of Center Southern of Shandong Province

更新时间：2025-03-12

- Study on the Relationship between Runoff and Sediment and Rainfall in the Hilly Area of Center Southern of Shandong Province
- Vol. 31, Issue 1, Pages: 12-16(2017)
- 作者机构：
  
  山东农业大学林学院，山东省土壤侵蚀与生态修复重点实验室，泰山森林生态系统定位研究站,山东,泰安,271018
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2017.01.003
  CLC： S157.1
- Published：2017
- 稿件说明：
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Study on the Relationship between Runoff and Sediment and Rainfall in the Hilly Area of Center Southern of Shandong Province[J]. 2017, 31(1): 12-16.
DOI：

Study on the Relationship between Runoff and Sediment and Rainfall in the Hilly Area of Center Southern of Shandong Province[J]. 2017, 31(1): 12-16. DOI： 10.13870/j.cnki.stbcxb.2017.01.003.

摘要

为探求鲁中南山丘区坡面侵蚀规律，选取山东省泰安市药乡小流域，以4个坡面径流小区的降雨、径流、泥沙实测资料为基础，探究不同措施下各小区产流产沙的差异性和导致产流的降雨量临界值，并利用相关分析方法探究径流泥沙与降雨的相关关系。结果表明：（1）导致径流产生的降雨量临界值表现为裸地＜农地＜草地，草地临界降雨量分别比梯田种植、横坡种植、裸地高0.2，2.8，3.8 mm；（2）在相同的降雨条件下，各小区产流产沙均为裸地最大，其中产流量约为农地的1.3~4.3倍，约为草地的2.8倍；产沙量约为农地的3.1~10.4倍，约为草地的77.6倍；产流开始时间以裸地最早，草地最晚，二者之间相差37 min，结束时间正好相反；（3）通过对不同降雨因子与产流产沙进行皮尔逊相关分析，除降雨历时（D）外，其它降雨因子均与产流、产沙量有较好相关性，其中与降雨量(P)相关性最强。

Abstract

To master the law of slope erosion in the hilly area of center southern of Shandong province and provide a theoretical basis for the prevention and control of water and soil loss in the area

this study took Yaoxiang small watershed in Tai'an as the research object

and explored the difference of runoff and sediment between different runoff plots with different measures and critical rainfall to cause runoff based on rainfall

runoff and sediment data of 4 runoff plots. The study also explored the relationship between runoff and sediment and rainfall using the correlation analysis method. The results were as follows: (1)The critical rainfall to cause runoff showed that bare land

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