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Slope stability assessment and landslide susceptibility map production of Wadi Dhahr area, Northwest of Sana’a, Yemen
Other Title(s)
تقييم استقراريه المنحدرات و إنتاج خارطة القابلية للانهيارات الأرضية لوادي ظهر شمال غرب صنعاء-اليمن
Joint Authors
Barahim, Adnan Abd al-Aziz
Khanbari, Khalid Muhammad
al-Qadami, Amal Faysal
al-Madhaji, Ziad A.
Idris, Ahmad Muhammad
Source
Sultan Qaboos University Journal for Science
Issue
Vol. 23, Issue 2 (31 Dec. 2018), pp.120-136, 17 p.
Publisher
Sultan Qaboos University College of Science
Publication Date
2018-12-31
Country of Publication
Oman
No. of Pages
17
Main Subjects
Natural & Life Sciences (Multidisciplinary)
Abstract EN
A slope stability assessment of Wadi Dhahr area, located northwest of Sana’a the capital of Yemen, was carried out in this study.
The study area consists of sandstone and volcanic rocks that are deformed by number of faults, joints and basaltic dykes.
All the important factors affecting slope stability in the area such as slope angle, slope height, discontinuities measurements, weathering, vegetation cover, rainfall and previous landslides were evaluated.
The study was conducted based on the integration of field investigation and satellite image processing.
A landslide susceptibility map was produced with the Landslide Possibility Index (LP1) System, and the correlation values were computed between the factors measured and Landslide Possibility Index values.
The fractures counted by satellite image were categorised according to their length and zones based on their concentrations.
It was found that plain sliding and rockfall are the main modes of failure in the area, while rolling and toppling are rare.
Some remedial measures are proposed to protect the slopes where it is needed, such as the removal of rock overhangs, unstable blocks and trees, and by supporting the toe of slopes and overhanging parts by retaining walls and erecting well sealed drainage conduits.
The results will assist in slope management and land use planning in the area.
American Psychological Association (APA)
Barahim, Adnan Abd al-Aziz& Khanbari, Khalid Muhammad& al-Qadami, Amal Faysal& al-Madhaji, Ziad A.& Idris, Ahmad Muhammad. 2018. Slope stability assessment and landslide susceptibility map production of Wadi Dhahr area, Northwest of Sana’a, Yemen. Sultan Qaboos University Journal for Science،Vol. 23, no. 2, pp.120-136.
https://search.emarefa.net/detail/BIM-853263
Modern Language Association (MLA)
Barahim, Adnan Abd al-Aziz…[et al.]. Slope stability assessment and landslide susceptibility map production of Wadi Dhahr area, Northwest of Sana’a, Yemen. Sultan Qaboos University Journal for Science Vol. 23, no. 2 (2018), pp.120-136.
https://search.emarefa.net/detail/BIM-853263
American Medical Association (AMA)
Barahim, Adnan Abd al-Aziz& Khanbari, Khalid Muhammad& al-Qadami, Amal Faysal& al-Madhaji, Ziad A.& Idris, Ahmad Muhammad. Slope stability assessment and landslide susceptibility map production of Wadi Dhahr area, Northwest of Sana’a, Yemen. Sultan Qaboos University Journal for Science. 2018. Vol. 23, no. 2, pp.120-136.
https://search.emarefa.net/detail/BIM-853263
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 134-136
Record ID
BIM-853263