Assessment of Dukan Landslides, West of Sulaimani City, the Kurdistan Region, Northeast Iraq

Authors

  • Varoujan K. Siakian Department of Natural Resources Engineering & Management, School of Science and Engineering, University of Kurdistan Hewler, Kurdistan Region – F.R. Iraq http://orcid.org/0000-0002-9840-5422
  • Sarhang A. Omer 1Department of Natural Resources Engineering & Management, School of Science and Engineering, University of Kurdistan Hewler, Kurdistan Region - F.R. Iraq http://orcid.org/0000-0002-2806-313X
  • Diyar Salah M.Khalil Department of Natural Resources Engineering & Management, School of Science and Engineering, University of Kurdistan Hewler, Kurdistan Region – F.R. Iraq http://orcid.org/0000-0003-0311-7522

DOI:

https://doi.org/10.25079/ukhjse.v2n1y2018.pp28-38

Keywords:

Iraq, Kurdista Region, Landslide, Man-made hazard, Plane slide, Road cut

Abstract

Four landslides of different sizes had occurred in 2012 along the main paved road between Dukan – Surdash. The landslides are within the Kometan Formation, which consist mainly of well bedded and jointed marly limestone. The landslides are located in a narrow syncline trending NW – SE in between Khalikan and Kalo anticlines. The main reason of the landslides is the haphazard road cuts during the road construction and widening of the road latter on. Another reason that had accelerated the landslide is the fluctuation of water level in Dukan reservoir. The water level reaches the down slope area of the landslides. Satellite imagery was used to study the parameters of the landslides and have performed a field work to confirm the acquired parameters and deduced other indications of the landslides, besides checking their stability. Landslide Possibility Study was performed using Landslide Possibility Index at each landslide area and have found that the whole area is unstable showing High possibility of re-failure. Sereographic presentation for the three landslides was used to show the relation between bedding and joint planes as well the road cuts trends.  It was concluded that in next rainy season, the whole area may form a severe geological hazard if necessary precautions are not considered. Therefore, urgent precautions were recommended to keep the slopes alongside the road cur as stable as possible. 

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Author Biographies

  • Varoujan K. Siakian, Department of Natural Resources Engineering & Management, School of Science and Engineering, University of Kurdistan Hewler, Kurdistan Region – F.R. Iraq

    Mr. Varoujan K. Sissakian graduated from University of Baghdad in 1969 with B.Sc. degree in Geology, and M.Sc. in Engineering Geological Mapping from I.T.C., the Netherlands in 1982. He joined Iraq Geological Survey (GEOSURV) in 1971 and was nominated as Expert in 2005; he was the Director of Geology Department since May 2004 until October 2012. He has 125 documented reports in GEOSURV's library and 105 published articles in different geological aspects in different geological journals. He was the Deputy Vice President of the Middle East Subcommission of the Committee of Compilation the Geological Map of the World (CGMW), Paris, from February 2010 until August 2012. Retired on 10 October 2012. His major fields of interest are geological mapping, stratigraphy of the Iraqi territory, site investigation, and geological hazards. He was Visiting Lecturer at the University of Kurdistan Hewler since October 2014 and Lecturer since February 2017.

  • Sarhang A. Omer, 1Department of Natural Resources Engineering & Management, School of Science and Engineering, University of Kurdistan Hewler, Kurdistan Region - F.R. Iraq

    Sarhang Ahmed Omer was born in Ranya on February, 12 1995. Currently, he is a Final year student in the University of Kurdistan, Hewler, KRG, studying Mineral Resources Engineering and Managment. 

  • Diyar Salah M.Khalil, Department of Natural Resources Engineering & Management, School of Science and Engineering, University of Kurdistan Hewler, Kurdistan Region – F.R. Iraq

    Diyar Salah M.Khlil was born in Sulaimani on April, 30 1995. Currently, he is a Final year student in the University of Kurdistan, Hewler, KRG, studying Mineral Resources Engineering and Managment. 

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UKHJSE Volume 2 Number 1 (2018)

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Published

2018-06-30

Issue

Vol. 2 No. 1 (2018): ISSUE TWO

Section

Research Articles

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How to Cite

Assessment of Dukan Landslides, West of Sulaimani City, the Kurdistan Region, Northeast Iraq. (2018). UKH Journal of Science and Engineering, 2(1), 28-38. https://doi.org/10.25079/ukhjse.v2n1y2018.pp28-38