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摘要:
奉节县是中国三峡库区地质灾害高发区县，区内地形起伏，构造和软弱岩层发育，地质环境较脆弱，通过对研究区开展野外地质调查，查清了区内地质灾害分布规律及孕灾地质背景，整合灾害、地质和地理信息等数据，首次编制了奉节县幅1:50 000灾害地质图，建立数据集。本文从数据来源、数据收集方法、处理技术等方面进行了整理和归纳，以期呈现地质灾害调查领域灾害地质图数据集应用的实例，为该类型地质调查和数据集处理及应用提供参考。
Abstract:Situated in China's Three Gorges Reservoir Region, the Fengjie County is prone to frequent geo-hazards. This area features big topographic relief, well-developed structures and soft rocks, and relatively fragile geological environment. This paper employs field geological surveys to ascertain the distribution regularities of geo-hazards and geo-hazard breeding geological setting in the studied area. The dataset of geo-hazards in Fengjie Mapsheet (1:50, 000), which has integrated the data in geo-hazard, geology and geography, has been constructed for the first time, along with the compilation of the same-scaled geo-hazard maps of Fengjie County Mapsheet. This paper has also classified the data sources, data collecting methods, and processing techniques, so as to provide practical application case of the geo-hazard maps dataset, and meanwhile present references for the data processing and application in this type of geological survey.
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Key words:
- Geological Hazard /
- Fengjie mapsheet /
- Three gorges reservoir region /
- Geo-hazard complex /
- Geodatabase
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Table 3. Distribution and characteristics of Geo-hazard breeding grades on Fengjia Mapsheet
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刘守全, 刘锡清, 王圣洁, 郭玉贵. 2002.编制1:200万南海灾害地质图的若干问题[J].中国地质灾害与防治学报, 13(1), 17-20. http://d.old.wanfangdata.com.cn/Periodical/xxsfgdzkxxxb201605008
马智民, 王成善, 陈洪德, 田景春. 2005.数字地质图及其关系数据模型研究[J].成都理工大学学报(自然科学版), 32(2), 200-207. http://d.old.wanfangdata.com.cn/Periodical/cdlgxyxb200502018
王德伟, 倪化勇, 陈绪钰, 唐业旗. 2017. 2010年四川省雅江县地质灾害调查数据集[J].中国地质, 44(S1):82-87. http://geochina.cgs.gov.cn/ch/reader/view_abstract.aspx?file_no=2017S110&flag=1
中华人民共和国自然资源部, 灾害地质调查规范(1: 50 000)(征求意见稿), 2018.3.
Liu Shouquan, Liu Xiqing, Wang shengjie, Guo Yugui. 2002. Discussion on Some Problems in Compilation of Hazardous Geological Map (1:2, 000, 000) of South China Sea[J].The Chinese of Geological Hazard and Control, 13(1), 17-20 (in Chinese with English abstract). http://d.old.wanfangdata.com.cn/Periodical/xxsfgdzkxxxb201605008
Ma zhimin, Wang Chengshan, Chen Hongde, Tian Jingchun. 2005. Study on digital geologic map and relational data model[J]. Journal of Chengdu University of Technology (Science & Technology Edition), 32(2), 200-207 (in Chinese with English abstract). http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=cdlgxyxb200502018
Wang Dewei, Ni Huayong, Chen Xuyu, Tang Yeqi. 2017. Dataset of geological hazards survey in Yajiang County, Sichuan Province in 2010[J]. Geology in China, 44(S1):100-107 http://geochina.cgs.gov.cn/ch/reader/view_abstract.aspx?file_no=2017S110&flag=1
Ministry of Natural Resources of the People's Republic of China, Geological disaster survey specifications(1: 50, 000) (Consultation draft), 2018.03 (in Chinese).
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