Application of Electrical Resistivity Tomography (ERT) in the investigation of quaternary landslide zones, based on the selected regions of Płock slope

IF 0.6 Q4 GEOSCIENCES, MULTIDISCIPLINARY Studia Quaternaria Pub Date : 2014-12-01 DOI:10.2478/squa-2014-0010

Łukasz Kaczmarek, R. Mieszkowski, Marcin Kołpaczyński, Grzegorz Pacanowski

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引用次数: 9

Abstract

Abstract The article shows the results of geophysical surveys performed by using Electrical Resistivity Tomography (ERT) method on selected region of Płock slope of a Tumski hill near Basilica of Assumption of the Blessed Virgin Mary in Płock and in Maszewo by the Vistula River a few kilometers north of Płock. The above-mentioned sections were selected due to landslide phenomena observed there. Geophysical surveys were conducted in order to verify the state of the distribution of electrical resistivity in the sectors where mass movement was identified. The electrofusion cross-section near Cathedral Basilica shows clays and sands. Also in ERT prospection a zone of loose soils with high resistance is clearly visible. The results of the ERT method from Maszewo, indicates historical land surface of a landslide and that the slope in Maszewo consists of cohesive deposits. In order to describe these particular issues, geological cross-sections and safety factor obtained by calculation are presented for the analyzed parts of the slope. The safety factor shows that probability of landslide activity near Cathedral Basilica is very unlikely and in Maszewo is very high

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基于Płock边坡选定区域，电阻率层析成像(ERT)在第四纪滑坡带调查中的应用

摘要本文介绍了在Płock圣母升天大教堂附近的Tumski山Płock斜坡和Płock以北几公里的维斯瓦河沿岸的Maszewo选定区域，利用电阻率断层扫描(ERT)方法进行地球物理测量的结果。选择上述路段是由于在该地区观测到滑坡现象。进行了地球物理调查，以核实已确定有大块运动的扇区的电阻率分布状况。大教堂附近的电熔截面显示粘土和沙子。同样，在ERT勘探中，一个具有高阻力的松散土壤区域清晰可见。马泽沃的ERT方法结果表明，马泽沃的滑坡地表是由黏性沉积物组成的。为了描述这些特殊问题，给出了分析部位的地质剖面和计算得到的安全系数。安全系数表明，在大教堂附近发生滑坡的可能性很小，而在马泽沃发生滑坡的可能性很高

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来源期刊

Studia Quaternaria GEOSCIENCES, MULTIDISCIPLINARY-

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1.40

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期刊介绍： Studia Quaternaria is designed to publish scientific works concerning the Quaternary, on local, regional and global scale. Studia Quaternaria is interested in all fields of research dealing with stratigraphy and reconstruction of the past environments, including palaeogeography, palaeoecology, palaeoclimatology, palaeohydrology etc. The journal is also open to studies of natural environmental processes, and to recognition of mechanisms involved in the dynamics of our environment. The clue is that the Quaternary is still ongoing and vivid, and understanding of its past and present development support each other.