Distribution and Characteristics of Freeze-thaw Erosion in Heilongjiang Province

JING Guochen; LIU Bingyou; RONG Jiandong; SUN Xuewen

doi:10.13961/j.cnki.stbctb.2016.04.055

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Distribution and Characteristics of Freeze-thaw Erosion in Heilongjiang Province

- Distribution and Characteristics of Freeze-thaw Erosion in Heilongjiang Province
- Bulletin of Soiland Water Conservation Vol. 36, Issue 4, Pages: 320-325(2016)
- 作者机构：
  
  黑龙江省水土保持科学研究院,黑龙江,哈尔滨,150070
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2016.04.055
  CLC：
- Published：2016
- 稿件说明：
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JING Guochen, LIU Bingyou, RONG Jiandong, et al. Distribution and Characteristics of Freeze-thaw Erosion in Heilongjiang Province[J]. Bulletin of Soiland Water Conservation, 2016, 36(4): 320-325.
DOI：

JING Guochen, LIU Bingyou, RONG Jiandong, et al. Distribution and Characteristics of Freeze-thaw Erosion in Heilongjiang Province[J]. Bulletin of Soiland Water Conservation, 2016, 36(4): 320-325. DOI： 10.13961/j.cnki.stbctb.2016.04.055.

摘要

[目的

]

探究黑龙江省冻融侵蚀分布及其特征，为黑土区农业可持续发展提供科学依据。[方法

]

在对黑龙江省冻融侵蚀考察及影响因素分析的基础上，借鉴相关冻融侵蚀区分布界定方法以及层次分析法开展研究。[结果

]

黑龙江省冻融侵蚀分布在131°-122°E，53°-48°N范围内，侵蚀面积为3.29×10

，占该区土地面积的11.98%。其中，轻度、中度、强烈、极强烈侵蚀面积分别占总侵蚀面积的21.78%，42.32%，23.78%，12.12%。侵蚀强度由北向南递减。[结论

]

黑龙江省冻融侵蚀分布范围比较广，强度以中轻度为主；冻融侵蚀分布具有明显的地带性规律。

Abstract

[Objective] The distribution and charcteristics of freeze-thaw erosion in Heilongjiang Province were explored to provide basis for sustainable development of agriculture in black soil area. [Methods] On the basis of investigation and analysis of influence factors of the freezing and thawing erosion of Heilongjiang Province

the distribution of freeze-thaw erosion was determined by method of analytic hierarchy process(AHP) and by referring other relevant research. [Results] The scope of freeze-thaw erosion is in 131°-122°E

53°-48°N in Heilongjiang Province. The erosion area is 3.29×104 km2

covering 11.98% of the total area of the province. Among them

areas of mild erosion

moderate erosion

strong erosion and extremely strong erosion accounted for 21.78%

42.32%

23.788% and 12.12%

respectively. Erosion intensity decrease from north to south. [Conclusion] Freeze-thaw erosion distribute widely and had regional erosive intensity in Heilongjiang Province. The intensities of erosion are mainly moderate and mild.

关键词

Keywords

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