IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Erosion-creep-collapse mechanism of underground soil loss for the karst rocky desertification in Chenqi village, Puding county, Guizhou, China
Wang, Jianxiu1,2; Zou, Baoping2; Liu, Yan2; Tang, Yiqun1,2; Zhang, Xinbao3; Yang, Ping1,2
Corresponding AuthorWang, Jianxiu
2014-10-01
Source PublicationENVIRONMENTAL EARTH SCIENCES
ISSN1866-6280
Volume72Issue:8Pages:2751-2764
SubtypeArticle
AbstractCarbonate rocks distribute widely in China. The total area of the carbonate rocks is about 3,430,000 km(2), and the exposed area of the carbonate is approximately 13 % of China's territory. In 2003, soil loss in Yunnan, Guizhou, and Guangxi provinces reached 179,600 km(2), which is almost 40.1 % of the total area, causing rocky desertification. In this study, the erosion-creep-collapse mechanism of underground soil loss for the karst rocky desertification in Chenqi village, Puding county, Guizhou province is proposed. The mechanism occurs under the following geological environment: slope surface undulation, underlying bedrock surface fluctuation and thin and inhomogeneous soil overlying, overlying soil generation by bedrock weathering, underground karst development, and large groundwater depth and lying water table under the bottom of soils. The erosion-creep-collapse mechanism of underground soil loss in the karst slopes is explained as follows: power loss due to human cultivation activities that destroy the soil structure, hydraulic force formed by rainfall infiltration, wet-dry cycle generated by rainfall, erosion effect caused by rainfall penetration, creeping and flowing of plastic-stream soil, and collapse. The erosion-creep-collapse mechanism of underground soil loss has seven steps: disturbance of soils filled in underground karst cave by human activities, internal soil erosion and partial collapse caused by hydraulic power, internal free surface formation within the soil in the filled karst cave, internal soil creeping, soil pipe formation, soil pipe collapse, and ground surface collapse and filling. Soil loss develops slowly, and sudden transportation occurs by collapse. Soil loss can be explained by the proposed mechanism, and soil loss can be prevented by controlling soil collapse.
KeywordKarst Rocky Desertification Underground Soil Loss Erosion-creep-collapse Mechanism
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1007/s12665-014-3182-0
WOS Subject ExtendedEnvironmental Sciences & Ecology ; Geology ; Water Resources
Indexed BySCI
WOS KeywordLAND-USE ; WESTERN IRELAND ; SOUTHWEST CHINA ; PROVINCE ; BURREN ; RATES ; AREA ; GIS
Language英语
WOS SubjectEnvironmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS IDWOS:000342494100003
Funding OrganizationNational Natural Science Foundation of China(41072205) ; Special Fund for Land and Resources-scientific Research in the Public Interest of China(201311045-04) ; Key Discipline Construction Program of Shanghai (Geological Engineering)(B308) ; Foundation of China Railway Engineering Group Co., Ltd.(201218)
Citation statistics
Cited Times:41[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/9956
Collection山地表生过程与生态调控重点实验室
Affiliation1.Tongji Univ, Minist Educ, Key Lab Geotech & Underground Engn, Shanghai 200092, Peoples R China
2.Tongji Univ, Dept Geotech Engn, Shanghai 200092, Peoples R China
3.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jianxiu,Zou, Baoping,Liu, Yan,et al. Erosion-creep-collapse mechanism of underground soil loss for the karst rocky desertification in Chenqi village, Puding county, Guizhou, China[J]. ENVIRONMENTAL EARTH SCIENCES,2014,72(8):2751-2764.
APA Wang, Jianxiu,Zou, Baoping,Liu, Yan,Tang, Yiqun,Zhang, Xinbao,&Yang, Ping.(2014).Erosion-creep-collapse mechanism of underground soil loss for the karst rocky desertification in Chenqi village, Puding county, Guizhou, China.ENVIRONMENTAL EARTH SCIENCES,72(8),2751-2764.
MLA Wang, Jianxiu,et al."Erosion-creep-collapse mechanism of underground soil loss for the karst rocky desertification in Chenqi village, Puding county, Guizhou, China".ENVIRONMENTAL EARTH SCIENCES 72.8(2014):2751-2764.
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