Discussion on Metheds of Gully Density Investigation

Dang Fujiang; Ge Sufen

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Discussion on Metheds of Gully Density Investigation

- Discussion on Metheds of Gully Density Investigation
- Bulletin of Soiland Water Conservation Vol. 17, Issue 6, Pages: 31-33(1998)
- 作者机构：
  
  辽宁省水土保持研究所,辽宁省,朝阳市,122000
- 作者简介：
- 基金信息：
- DOI：
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- Published：1998
- 稿件说明：
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Dang Fujiang, Ge Sufen. Discussion on Metheds of Gully Density Investigation[J]. Bulletin of Soiland Water Conservation, 1998, 17(6): 31-33.
DOI：

Dang Fujiang, Ge Sufen. Discussion on Metheds of Gully Density Investigation[J]. Bulletin of Soiland Water Conservation, 1998, 17(6): 31-33. DOI：

摘要

沟壑密度是评价小流域沟蚀程度的指标，具体地反映了小流域沟蚀轮廓。目前，对于沟壑密度调查，尚无统一规定，有方格网法、小斑号法等。这些方法虽能描述小流域沟蚀现状，但不能为沟壑治理的工程设计提供前期资料。水文网络法，从沟道发育入手，将大流域依沟道分布划分为若干小流域，结合工程布局进行调查，计算结果与其它方法相同，结论相同，而基础资料均为以后的工程设计提供了必要的准备，可随时调用

Abstract

Gully density is an index to evaluate gully erosion and describe the sketch of gully erosion in a watershed.At present

some different approaches

such as grid approach and small spot number approach etc.

are used to investigate the gully density.However

there is no unique approach to be used by different investigators.Although these methods mentioned above can describe the existing condition of the gully erosion in a small watershed

it can not provide the antecedent information for the design of gully harnessing engineering.Nevertheless

the hydrological network approach

which can divide a large watershed into several sub-watersheds according to the gully characteristics

can give the same result of gully density in a watershed as the other approaches by combining investigation of engineering layout.Additionally

the basic data gained by using the hydrological network approach are in preparation for the later design of gully harnessing engineering

which can be used anytime.

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references

1　段巧甫,刘运河.水土保持实用词典.郑州:黄河水利出版社,1996 10

2　GB/T 15772-1995.水土保持综合治理规划通则,13

3　驹村富士弥.水土保持工程学.李一心译.沈阳:辽宁科学技术出版社,1986,9

4　GB/T 16453.3-1996.水土保持综合治理技术规范,38-40,62

5　辛树帜,蒋德麟.中国水土保持概论.北京:农业出版社,1982.53-57

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