切沟侵蚀

利用GPS进行切沟侵蚀监测研究

Study of Monitoring Gully Erosion Using GPS

切沟侵蚀不仅破坏土地资源，而且影响下游地区环境。

Gully erosion damages land resources and causes site off environmental problems .

黑土地切沟侵蚀的成因与危害

Causes and damages of gully erosion in black land

切沟侵蚀定量研究进展

Quantitative Research Progress On Gully Erosion

目前的土壤侵蚀预报模型没有包括切沟侵蚀，因此研究切沟中土壤水分空间变化是建立切沟侵蚀模型的基础，也是恢复植被的基础。

But little gully erosion model included in soil erosion models . It is necessary to study soil moistures in a gully watershed for establishing a gully erosion model and restoring vegetation .

介绍了近年来有关切沟侵蚀定量研究的主要进展，对目前主要方法的适用范围、优点及局限性进行了讨论，并指出切沟侵蚀定量研究中亟待解决的问题和研究方向。

This paper introduces briefly some quantitative study methods on gully erosion in the past several years and gives comments about those that include the proper scope and the advantages and some limitations and points out some problems solved in the future and study direction .

切沟侵蚀是一种常见的土壤侵蚀现象，切沟侵蚀定量研究可以进一步揭示切沟侵蚀规律，为建立切沟侵蚀预报模型、切沟侵蚀危害的评估与治理提供科学的依据。

Gully erosion is a common phenomenon of soil loss . The quantitative study on gully erosion can unveil more its law . This would provide some scientific basis to establish predicting models and to assess the harm of it and how to govern it .

在植被破坏15年的裸露休闲地浅沟集水区，侵蚀蚀强度随坡长的增加而增加，且浅沟槽侵蚀量大于浅沟间，切沟沟槽侵蚀量大于切沟间。

As slope length increased on hill-slope in a shallow gully catchment that has been destroyed for 15 years , soil erosion intensity tended to increase ;