The study area covers approximately 200x250 m2. This area is one of the most active locations with the greatest landslide displacement amount. This study aims to determine the depth of the sliding surface with geophysical (seismic refraction tomography (SRT) and ground-penetrating radar (GPR)) methods. The results of the TUBITAK-111Y111 project were also used in this study. According to the geophysical results, three layers with average seismic P-wave velocities (VP) of 600, 1200, and 2100 m/sec were identified within an investigation depth of approximately 20 m. It was determined that the depths of the sliding surface changed between approximately 3 to 7 m and seismic velocities were lower than 600 m/sec from these depths to the surface. The geophysical results demonstrated that the landslide type was planar sliding, the sliding direction was S-SE, and the tilt of the geological layer was in the same direction with the topographic slope, mostly bigger than 50. It was observed that deformations in the landslide mass were caused by the geological unit, the layer or topographic slope, and precipitation. According to these results the landslide activity may continue in the landslide area and in the study area in the future. Therefore, as a result, it was also expressed that the study area contains the risks and the natural/anthropogenic hazards because the findings show that the settlement area and urban constructions are under threat in the west of Koyulhisar town center.
| Published in | Earth Sciences (Volume 11, Issue 5) |
| DOI | 10.11648/j.earth.20221105.15 |
| Page(s) | 277-288 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
Geophysics-Geodesy, Koyulhisar, Sliding Surface, Landslide, Risk, Hazard
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APA Style
Sevda Ozel, Demet Over, Kemal Ozgur Hastaoglu. (2022). The Sliding Surface Investigation of in the West of Koyulhisar (Sivas, Turkey). Earth Sciences, 11(5), 277-288. https://doi.org/10.11648/j.earth.20221105.15
ACS Style
Sevda Ozel; Demet Over; Kemal Ozgur Hastaoglu. The Sliding Surface Investigation of in the West of Koyulhisar (Sivas, Turkey). Earth Sci. 2022, 11(5), 277-288. doi: 10.11648/j.earth.20221105.15
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Download@article{10.11648/j.earth.20221105.15,
author = {Sevda Ozel and Demet Over and Kemal Ozgur Hastaoglu},
title = {The Sliding Surface Investigation of in the West of Koyulhisar (Sivas, Turkey)},
journal = {Earth Sciences},
volume = {11},
number = {5},
pages = {277-288},
doi = {10.11648/j.earth.20221105.15},
url = {https://doi.org/10.11648/j.earth.20221105.15},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.earth.20221105.15},
abstract = {The study area covers approximately 200x250 m2. This area is one of the most active locations with the greatest landslide displacement amount. This study aims to determine the depth of the sliding surface with geophysical (seismic refraction tomography (SRT) and ground-penetrating radar (GPR)) methods. The results of the TUBITAK-111Y111 project were also used in this study. According to the geophysical results, three layers with average seismic P-wave velocities (VP) of 600, 1200, and 2100 m/sec were identified within an investigation depth of approximately 20 m. It was determined that the depths of the sliding surface changed between approximately 3 to 7 m and seismic velocities were lower than 600 m/sec from these depths to the surface. The geophysical results demonstrated that the landslide type was planar sliding, the sliding direction was S-SE, and the tilt of the geological layer was in the same direction with the topographic slope, mostly bigger than 50. It was observed that deformations in the landslide mass were caused by the geological unit, the layer or topographic slope, and precipitation. According to these results the landslide activity may continue in the landslide area and in the study area in the future. Therefore, as a result, it was also expressed that the study area contains the risks and the natural/anthropogenic hazards because the findings show that the settlement area and urban constructions are under threat in the west of Koyulhisar town center.},
year = {2022}
}
TY - JOUR T1 - The Sliding Surface Investigation of in the West of Koyulhisar (Sivas, Turkey) AU - Sevda Ozel AU - Demet Over AU - Kemal Ozgur Hastaoglu Y1 - 2022/09/28 PY - 2022 N1 - https://doi.org/10.11648/j.earth.20221105.15 DO - 10.11648/j.earth.20221105.15 T2 - Earth Sciences JF - Earth Sciences JO - Earth Sciences SP - 277 EP - 288 PB - Science Publishing Group SN - 2328-5982 UR - https://doi.org/10.11648/j.earth.20221105.15 AB - The study area covers approximately 200x250 m2. This area is one of the most active locations with the greatest landslide displacement amount. This study aims to determine the depth of the sliding surface with geophysical (seismic refraction tomography (SRT) and ground-penetrating radar (GPR)) methods. The results of the TUBITAK-111Y111 project were also used in this study. According to the geophysical results, three layers with average seismic P-wave velocities (VP) of 600, 1200, and 2100 m/sec were identified within an investigation depth of approximately 20 m. It was determined that the depths of the sliding surface changed between approximately 3 to 7 m and seismic velocities were lower than 600 m/sec from these depths to the surface. The geophysical results demonstrated that the landslide type was planar sliding, the sliding direction was S-SE, and the tilt of the geological layer was in the same direction with the topographic slope, mostly bigger than 50. It was observed that deformations in the landslide mass were caused by the geological unit, the layer or topographic slope, and precipitation. According to these results the landslide activity may continue in the landslide area and in the study area in the future. Therefore, as a result, it was also expressed that the study area contains the risks and the natural/anthropogenic hazards because the findings show that the settlement area and urban constructions are under threat in the west of Koyulhisar town center. VL - 11 IS - 5 ER -
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