Effects of Freezing and Thawing Cycling on Development of Eroded Gully in Black Soil Area

YANG Yajuan; JING Guochen; LIU Xujun; YANG Wei; REN Xianping; WANG Yajuan

doi:10.13961/j.cnki.stbctb.2015.03.008

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Effects of Freezing and Thawing Cycling on Development of Eroded Gully in Black Soil Area

- Effects of Freezing and Thawing Cycling on Development of Eroded Gully in Black Soil Area
- Bulletin of Soiland Water Conservation Vol. 35, Issue 3, Pages: 1-5(2015)
- 作者机构：
  
  1. 黑龙江省水土保持科学研究所克山实验站, 黑龙江克山,161600
  2. 黑龙江省水土保持科学研究所齐齐哈尔实验站,黑龙江,齐齐哈尔,161006
  3. 黑龙江省水土保持科学研究所,黑龙江,哈尔滨,150070
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2015.03.008
  CLC：
- Published：2015
- 稿件说明：
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YANG Yajuan, JING Guochen, LIU Xujun, et al. Effects of Freezing and Thawing Cycling on Development of Eroded Gully in Black Soil Area[J]. Bulletin of Soiland Water Conservation, 2015, 35(3): 1-5.
DOI：

YANG Yajuan, JING Guochen, LIU Xujun, et al. Effects of Freezing and Thawing Cycling on Development of Eroded Gully in Black Soil Area[J]. Bulletin of Soiland Water Conservation, 2015, 35(3): 1-5. DOI： 10.13961/j.cnki.stbctb.2015.03.008.

摘要

[目的] 冻融作用是黑土区的主要自然现象之一。研究黑土区冻融作用对侵蚀沟发育的影响

以便防止冻融侵蚀

保护黑土资源。[方法] 采取室内试验与野外定点定位观测相结合方法

开展冻融作用对黑土物理性状、冻胀量以及侵蚀沟岸冻裂融塌的试验观测。[结果] 冻融作用使土壤水分增加

容重减小

孔隙度增大

土壤团聚体总量降低

冻胀量加大。[结论] 冻融作用导致土壤抗蚀能力降低

是加剧侵蚀沟发育的主要影响因素之一。

Abstract

[Objective] Freezing and thawing is one of the major natural phenomena in the black soil area. The effects of freezing and thawing cycling on eroded gully development were studied to prevent freezing and thawing erosion

and then protect the black soil resources. [Methods] The soil physical properties

variation of soil body and gully bank were measured during freezing and thawing process by field measurements and laboratory simulations. [Results] Freezing and thawing cycling increased soil moisture

porosity and frost heaving amount

and the bulk density and the content of soil aggregate were reduced. [Conclusion] Freezing and thawing cycling results in the decrease of soil erosion resistance

it is the main factor leading to an aggravation of erosion gully development.

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references

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