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Morphological Characteristics and Soil Mechanical Properties of a Gully in the Dry-Hot Valley Region of Southwestern China
Zhang Su1,2; Xiong Donghong1; Yuan Yong1,2; Wu Han1,2; Li Wanxin1,2; Liu Lin1,2; Su Zhengan1
2019
Source PublicationPOLISH JOURNAL OF ENVIRONMENTAL STUDIES
ISSN1230-1485
EISSN2083-5906
Volume28Issue:6Pages:4467-4475
SubtypeArticle
Contribution Rank1
AbstractGully erosion is a dominant process causing severe soil loss and soil degradation in the Dry-Hot Valley region of southwestern China. Little attention has been paid to the spatiotemporal variations of the morphological characteristics of gullies. The aims of the present study were to explore gully morphological characteristics and its soil mechanical properties. In our study, we identify the main types of gullies according to their activity and the characteristics of their impact factors in the study area. Results showed that 1) three different active gully types could be classified: active, semi-active and stable; 2) the morphological characteristics of different active gullies were significantly different; 3) the soil shear strength under different parts of gullies varies with different active degrees of gullies; and 4) the gully head-cut height, gully wall-slope and its bed-gradient ratio were the most important indicators for reflecting gully morphology, which was affected by soil mechanical properties in it. It is the premise and foundation of further study on gully erosion to carry out the study of a gullys morphological characteristics. These findings improve the understanding of a gullys morphological characteristics and its soil mechanical properties in the Dry-Hot Valley region.
Keywordmorphological characteristics mechanical properties gully Dry-Hot Valley region
DOI10.15244/pjoes/99066
Indexed BySCI
Language英语
WOS IDWOS:000489645100040
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/31306
Collection山地灾害与地表过程重点实验室
Corresponding AuthorXiong Donghong
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Hazards & Earth Surface Proc, Chengdu, Sichuan, Peoples R China;
2.Univ Chinese Acad Sci, Beijing, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Zhang Su,Xiong Donghong,Yuan Yong,et al. Morphological Characteristics and Soil Mechanical Properties of a Gully in the Dry-Hot Valley Region of Southwestern China[J]. POLISH JOURNAL OF ENVIRONMENTAL STUDIES,2019,28(6):4467-4475.
APA Zhang Su.,Xiong Donghong.,Yuan Yong.,Wu Han.,Li Wanxin.,...&Su Zhengan.(2019).Morphological Characteristics and Soil Mechanical Properties of a Gully in the Dry-Hot Valley Region of Southwestern China.POLISH JOURNAL OF ENVIRONMENTAL STUDIES,28(6),4467-4475.
MLA Zhang Su,et al."Morphological Characteristics and Soil Mechanical Properties of a Gully in the Dry-Hot Valley Region of Southwestern China".POLISH JOURNAL OF ENVIRONMENTAL STUDIES 28.6(2019):4467-4475.
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