Arid
DOI10.1088/1755-1315/237/3/032014
Surface Geotechnical Weathering and denudation in the Northeast Margin of Tarim
Yuan Ge-xin; Bai You-liang; Yan Chang-Hong; Zhao Zhen-hua; Wang Hua-Wei
通讯作者Yuan Ge-xin
会议名称4th International Conference on Advances in Energy Resources and Environment Engineering (ICAESEE)
会议日期DEC 07-09, 2018
会议地点Chengdu, PEOPLES R CHINA
英文摘要

The research region is located in the northeast margin of Tarim, which is characterized by a typical continental arid desert climate, with a scanty rainfall and large difference in temperature between day and night. The research region is relatively stable in geology and exposed to the long-term weathering and serious erosion of seasonal surface water, which lead to the typical landform of "planation surface" and Yadan In order to investigate the long-term stability of superficial facilities in this region, a series of methods have been conducted to study the erosion characteristics of soil and rocks in some representative positions, i.e., soil erosion monitoring in different places, modelling analysis of soil erosion, terrestrial cosmogenic nuclides concentration measurement, denudation amount measurement of stone relics, and estimation of regional strata denudation. The results demonstrate that erosion rate is less than 0.3m/10(4)a for sandstone in flat surface, 0.8 m/10(4)a in seasonal gully. The erosion rate of soil is averagely 0.16 similar to 0.19cm/a for palaeo-lacustrine deposition area since late pleistocene epoch, 0.42cm/a for monitoring platform, 3.97cm/a for erosional depression. The denudation rate is estimated to be 0.9 mm/10(4)a for siliceous stone relics, 9.5 similar to 11.6 mm/10(4)a for sandstone and granite relics, and 4.0mm/a for ancient architecture made of soil in research area. By the method of tectonic trend of missing strata, it is estimated that the erosion rate is less than 0.35 m/10(4)a since the tertiary period when a steady stage of uplift and denudation begin in the research region.


来源出版物4TH INTERNATIONAL CONFERENCE ON ADVANCES IN ENERGY RESOURCES AND ENVIRONMENT ENGINEERING
ISSN1755-1307
出版年2019
卷号237
EISBN*****************
出版者IOP PUBLISHING LTD
类型Proceedings Paper
语种英语
国家Peoples R China
收录类别CPCI-S
WOS记录号WOS:000472788600069
WOS类目Energy & Fuels ; Engineering, Environmental
WOS研究方向Energy & Fuels ; Engineering
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/308128
作者单位Northwestern Inst Nucl Technol, Xian 710024, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714
Yuan Ge-xin,Bai You-liang,Yan Chang-Hong,et al. Surface Geotechnical Weathering and denudation in the Northeast Margin of Tarim[C]:IOP PUBLISHING LTD,2019.
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