基于高密度电阻率法对季节性冻土的监测研究
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摘要
通过建立正演冻土模型,验证了将高密度电阻率法应用于冻土监测的可行性。对高密度电阻率法装置进行特殊处理,将其应用于对季节性冻土的监测,并进行了七个月份的连续监测。结果表明:高密度电阻率法在季节性冻土监测中可行;通过对实测数据进行反演处理,得到电阻率反演剖面,可以看出表层土壤在季节变化中有明显的结冻、解冻行为;并可估算出冬季冻土深度范围。
The feasibility of applying high density resistivity method to frozen soil monitoring was verified by establishing a forward frozen soil model. The device for high density resistivity method was specially modified and applied in the monitoring of seasonal frozen soil for seven months. The results show that the high density resistivity method is feasible in the seasonal frozen soil monitoring. The resistivity inversion profiles can be obtained by the inversion processing of measured data,and the obvious freezing,thawing of surface soil can be seen in the seasonal variation. Moreover,the frozen depth range in winter can be estimated.
The feasibility of applying high density resistivity method to frozen soil monitoring was verified by establishing a forward frozen soil model. The device for high density resistivity method was specially modified and applied in the monitoring of seasonal frozen soil for seven months. The results show that the high density resistivity method is feasible in the seasonal frozen soil monitoring. The resistivity inversion profiles can be obtained by the inversion processing of measured data,and the obvious freezing,thawing of surface soil can be seen in the seasonal variation. Moreover,the frozen depth range in winter can be estimated.
引文
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[3]黄以职.我国冰川冻土物探工作的进展及建议冰川冻土[J].冰川冻土,1988,10(3):364-368.HUANG Yi-zhi.Progress and suggestion of geophysical prospecting for glacier and permafrost in China[J].Journal of Glaciology and Geocryology,1988,10(3):364-368.
[4]贺益贤.新藏公路沿线冻土电探的应用实例[J].冰川冻土,1991,13(3):255-260.HE Yi-xian.Application examples of frozen soil electric exploration along the Xinzang Highway[J].Journal of Glaciology and Geocryology,1991,13(3):255-260.
[5]唐君辉,刘国兴,韩江涛,等.电测深法在漠河地区探测永久冻土层的应用[J].吉林大学学报(地球科学版),2005,35(专辑):108-112.TANG Jun-hui,LIU Guo-xing,HAN Jiang-tao,et al.The application of using electrical sounding method to detect permafrost in Mohe Region[J].Journal of Jilin University(Earth Science Edition),2005,35(Spe.):108-112.
[6]王俊祥,蔡秉源,刘财,等.从室内模型实验结果分析冻土对电法勘探效果的影响[J].吉林大学学报(地球科学版),2008,38(增刊):27-29.WANG Jun-xiang,CAI Bing-yuan,LIU Cai,et al.Analyse of effects of permafrost on electric method prospecting by results of indoor model experiment[J].Journal of Jilin University(Earth Science Edition),2008,38(Suppl.):27-29.
[7]肖楼,杨文锋,董德惠,等.综合勘察技术在高纬度地区多年岛状冻土勘察中的应用与研究[J].中国水运月刊,2012,12(5):159-161.XIAO Lou,YANG Wen-feng,DONG De-hui,et al.Application and research of comprehensive survey technology in the exploration of permafrost in many years in high latitude areas[J].China Water Transport,2012,12(5):159-161.
[8]柳瑶,胡照广,姜华,等.应用高密度电阻率法探查高纬度冻土区地基下岛状冻土分布[J].森林工程,2014,30(6):161-165.LIU Yao,HU Zhao-guang,JIANG Hua,et al.Application of high-density resistance to detect island permafrost distribution under the foundation in High-latitude frozen regions[J].Forest Engineering,2014,30(6):161-165.
[9]Zhang T,Barry R G,Knowles K,et al.Statistics and characteristics of permafrost and ground ice distribution in the Northern Hemisphere[J].Polar Geography,1999,23(2):147-149.
[10]Williams P J,Smith M W.The frozen earth[M].Cambridge:Cambridge University Press,1989:306.
[11]周幼吾,郭东信,邱国庆,等.中国冻土[M].北京:科学出版社,2000:1-89.ZHOU You-wu,GUO Dong-xin,QIU Guo-qing,et al.China permafrost[M].Beijing:Science Press,2000:1-89.
[12]徐教祖,王家澄,张立新.冻土物理学[M].北京:科学出版社,2010:110-115.XU Jiao-zu,WANG Jia-cheng,ZHANG Li-xin.Permafrost physics[M].Beijing:Science Press,2010:110-115.
[13]Zhao L,Cheng G D,Ding Y J.Studies on frozen ground of China[J].Journal of Geographical Sciences,2004,14(4):411-416.
[14]刘建坤,童长江,房建宏.寒区岩土工程引论[M].北京:中国铁道出版社,2005:4-7.LIU Jian-kun,TONG Chang-jiang,FANG Jian-hong.Cold area geotechnical engineering introduction[M].Beijing:China Railway Press,2005:4-7.
[15]任国玉,初子莹,周雅清,等.中国气温变化研究最新进展[J].气候与环境研究,2005,10(4):701-716.REN Guo-yu,CHU Zi-ying,ZHOU Ya-qing,et al.Recent progresses in studies of regional temperature changes in China[J].Climatic and Environmental Research,2005,10(4):701-716.