Arid
项目编号41401088
基于高密度电法的青藏高原地下冰空间分布特征及含量探测研究
游艳辉
主持机构中国科学院寒区旱区环境与工程研究所
开始日期2015
结束日期2017
资助经费260000(CNY)
项目类别青年科学基金项目
资助机构CN-NSFC(国家自然科学基金)
语种中文
国家中国
英文简介Studying of the ground ice spatial distribution characteristics and ice content is of great significance to the engineering construction and environmental research in permafrost regions. Among the methods of ground ice monitoring, electrical resistivity tomography has advantages such as non-destructive, efficient and consecutive monitoring in two-dimensional or three-dimensional ways, but some problems existed, such as absence of relational models between permafrost electrical resistivity and ice content, deficiency in application research and difficulty in quantitative interpretation. By testing electrical resistivity of undisturbed permafrost samples, forward and inversion modeling of electrical resistivity tomography, laboratory model experiments, we establish relations between permafrost electrical resistivity and ice content, optimize arrays of data collecting, select inversion algorithm based ground ice patterns, and assess the accuracy of the inversion results. At last, we will reveal the ground ice characteristics of spatial heterogeneity and calculate ground ice reserves in local area on the Qinghai-Tibet Plateau. The research results will lay a foundation for studying the interactions between ground ice and engineering constructions and ecological environment.
来源机构中国科学院西北生态环境资源研究院
资源类型项目
条目标识符http://119.78.100.177/qdio/handle/2XILL650/346815
推荐引用方式
GB/T 7714
游艳辉.基于高密度电法的青藏高原地下冰空间分布特征及含量探测研究.2015.
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