地球动力学

IF 1 Q3 GEOCHEMISTRY & GEOPHYSICS
L. Shtohryn
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Lithological-facies composition and bedding conditions of rocks form the physical and mechanical properties of rocks, determining the rate and mechanism of the development of landslides. The spatial confinedness of landslide processes in the fault zones is reflected in the gravitational and magnetic fields. Results. With the help of GIS MapInfo tools, a number of landslides in each tectonic zone, anomalies in the gravitational and magnetic fields, areas affected by landslides, the distance to the fault zones were calculated. The important result of the research is to prove a direct correlation between the spatial distribution of landslides and fault zones, tectonic structure, the lithological composition of rocks, which are reflected in gravimagnetic anomalies. Scientific novelty. 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引用次数: 1

摘要

目的。本文的研究目的是在考虑构造分带的情况下,根据地磁和重力场异常,分析喀尔巴阡外地区滑坡过程对其领土破坏的反映特征。该研究是滑坡过程预测的重要阶段,旨在减少其对环境的负面影响。这项研究的相关性是由于乌克兰喀尔巴阡山脉地区的山体滑坡日益加剧。方法。各构造构造带的滑坡发育与构造构造有关,因此这些过程具有不同的强度、动力、进一步发展的趋势和分布范围。岩石的岩性相组成和层理条件决定了岩石的物理力学性质,决定了滑坡的发展速度和机制。断裂带滑坡过程的空间封闭性反映在引力场和磁场上。结果。利用GIS MapInfo工具,计算了各构造带的滑坡数量、引力场和磁场异常、受滑坡影响的区域、到断裂带的距离。研究的重要成果是证明了滑坡的空间分布与断裂带、构造构造、岩石的岩性组成之间的直接关联,这些都反映在重力磁异常中。科学的新奇。在区域尺度上考察了构造构造、减压带、岩石破碎和岩性组成在重力磁场中的反射特性,并首次评价了它们与滑坡过程的关系。现实意义。从理论上证实了滑坡过程分布区内磁场行为的特殊性,从而有可能评估某一地区滑坡形成和发展的自然条件。建立了断裂带对滑坡过程的影响与其在磁场中的反射之间的联系,为今后具有相关构造条件的地区滑坡发展的空间预测提供了依据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
GEODYNAMICS
Purpose. The aim of the research presented in this article is to analyze the features of the reflection of the damage to the territory of the Transcarpathian region by landslide processes based on the anomalies in the magnetic and gravitational fields, taking into account tectonic zoning. The study is an important stage in predicting the landslide processes and it is aimed at reducing their negative effects on the environment. The relevance of the research is due to the growing intensification of landslides in the Carpathian region of Ukraine. Methodology. The development of landslides in each structural-tectonic zone is associated with its tectonic structure, and therefore these processes can have different intensity, dynamics, tendencies for further development and distribution area. Lithological-facies composition and bedding conditions of rocks form the physical and mechanical properties of rocks, determining the rate and mechanism of the development of landslides. The spatial confinedness of landslide processes in the fault zones is reflected in the gravitational and magnetic fields. Results. With the help of GIS MapInfo tools, a number of landslides in each tectonic zone, anomalies in the gravitational and magnetic fields, areas affected by landslides, the distance to the fault zones were calculated. The important result of the research is to prove a direct correlation between the spatial distribution of landslides and fault zones, tectonic structure, the lithological composition of rocks, which are reflected in gravimagnetic anomalies. Scientific novelty. The peculiarities of the reflection of the tectonic structure, zones of decompression, fragmentation of rocks and lithological composition in gravimagnetic fields on a regional scale are examined, and their association with landslide processes is evaluated for the first time. Practical significance. The theoretical substantiation of the peculiarities of the behaviour of gravimagnetic fields in the zones of distribution of landslide processes makes it possible to assess the natural conditions for the formation and development of landslides in a given region. The connection between the impact of the fault zones on landslide processes by their reflection in gravimagnetic fields is established, which can be used in the future for spatial forecasting of the development of landslides in territories with related structural-tectonic conditions.
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来源期刊
Geodynamics
Geodynamics GEOCHEMISTRY & GEOPHYSICS-
自引率
33.30%
发文量
11
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