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Geological risk assessment for the rapid development area of the Erhai Basin
Yang L.; Wang, Z. Q.; Jin, G.; Chen, D. D.; Wang, Z.
Source PublicationPhysics and Chemistry of the Earth
2015
Volume89-90
Pages79-90
KeywordLow-slope hilly land Land development Land use change Geologic hazard Risk assessment Watershed land-use changes yunnan province urban land china hazard landslides impact conservation expansion zonation
AbstractFor low-slope hilly land development to have more new land space in a watershed, it is particularly important that to coordinate the sharply increasing conflicts between mountainous and urban land utilization in the city. However, development of low-slope hilly land easily induce potential risks of geologic hazards such as landslide and landslip. It may lead to further environmental losses in a watershed. Hence, it is necessary to study potential risks of geo-hazards in low-slope hilly land development in urban area. Based on GIS spatial analysis technique, we select a study area, Dali City in the Erhai Basin located in watershed belt of Jinsha River, Lancang River and Red River in Yunnan Province of China. Through studying some relevant key indexes and parameters for monitoring potential risks of geo-hazards, we establish a composite index model for zoning the area with potential risks of geo-hazards in development of low-slope hilly land in the study area. Our research findings indicate that the potential risks of geo-hazards in eastern Dali City is relatively low while of that on slow hills with gentle slopes in the western area are relatively high. By using a zoning research method, generated maps show geological information of potential risks of geo-hazards on low-slope hilly land which provide important messages for guarding against natural geo-hazards and potential environmental losses in a watershed. (C) 2015 Elsevier Ltd. All rights reserved.
Indexed BySCI
Language英语
ISSN1474-7065
DOI10.1016/j.pce.2015.10.012
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document TypeSCI/SSCI论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/43587
Collection历年回溯文献
Recommended Citation
GB/T 7714
Yang L.,Wang, Z. Q.,Jin, G.,et al. Geological risk assessment for the rapid development area of the Erhai Basin. 2015.
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