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Characters and Types of Alluvial Fans in the Middleand Eastern Parts of Iraq
Erbil, Iraq.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0002-6790-2653
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0002-1365-8552
2017 (English)In: Journal of Earth Sciences and Geotechnical Engineering, ISSN 1792-9040, E-ISSN 1792-9660, Vol. 7, no 3, p. 115-140Article in journal (Refereed) [Artistic work] Published
Abstract [en]

Hundreds of alluvial fans are developed and still under development in thecentral and eastern parts of Iraq. The fans are of different sizes, types, shapes   andstages, laid down by rivers, permanent streams and valleys. The composition of  the sediments of the fans differs widely depending on the source of the sediments, the depositional area, size and type of the fan. Some of the alluvial fans have typical fan forms; others are hardly recognized, especially in the field; in nature; and more specifically when the fan areas are occupied as agricultural fields and/ or are very large with very gentle gradient that hinder their occurrences.Majority of the studied alluvial fans in the studied area are not presented on geological maps. This is attributed to the fact that they are not presented on the base geological maps because they are unrecognizable in the field, mainly because they have lost their fan shapes. Others; however, are presented even on the geological map of Iraq at scale of 1:1000000.In this study, the main alluvial fans are presented and described with the reason and form of their deposition. Accordingly, different types of alluvial fans are presented and described including their coverage areas, types, number of stages, shape and constituents. This is performed through interpretation of different types of satellite images, documented field data and the experience of theauthors with their long careers and expertize in the field.

Place, publisher, year, edition, pages
Scienpress Ltd. , 2017. Vol. 7, no 3, p. 115-140
Keywords [en]
Alluvial fans, Morphology, Tectonics, Perennial streams, Iraq
National Category
Geotechnical Engineering
Research subject
Soil Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-63474OAI: oai:DiVA.org:ltu-63474DiVA, id: diva2:1097074
Note

Validerad; 2017; Nivå 1; 2017-05-24 (andbra)

Available from: 2017-05-22 Created: 2017-05-22 Last updated: 2017-11-24Bibliographically approved

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Al-Ansari, NadhirKnutsson, Sven

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