DEM-derived geomorphic indices for assessment of tectonic activity at the Dara anticlinal oil structure within the Zagros fold-thrust belt, southwestern Iran

The Dara anticline is one of the anticlinal oil structures in the Zagros fold-and-thrust belt that were formed in the Dezful Embayment west of the Kazerun fault zone. Determination of the tectonically active parts of this structure is important for structural analysis and oil exploration. Consequent...

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Vydáno v:Arabian journal of geosciences Ročník 13; číslo 4
Hlavní autoři: Alizadeh, Akram, Hormozi Moghadam, Hossein, Seraj, Mohammad
Médium: Journal Article
Jazyk:angličtina
Vydáno: Berlin/Heidelberg Springer Berlin Heidelberg 01.02.2020
Springer Nature B.V
Témata:
Anticlines
Digital Elevation Models
Earth and Environmental Science
Earth science
Earth Sciences
Elongation
Fault zones
Faults
Geographical information systems
Geomorphology
Hypsometry
Nose
Oil and gas exploration
Oil exploration
Original Paper
Remote sensing
Stream gradient
Structural analysis
Tectonics
Iran
Zagros fold-thrust belt
Active tectonics
Dara anticline
Morphotectonics
ISSN:1866-7511, 1866-7538
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Popis
Shrnutí:The Dara anticline is one of the anticlinal oil structures in the Zagros fold-and-thrust belt that were formed in the Dezful Embayment west of the Kazerun fault zone. Determination of the tectonically active parts of this structure is important for structural analysis and oil exploration. Consequently, we have used Arc GIS software to analyze active tectonics indexes including the following: hypsometric integral and hypsometric curve (Hi, Hc); elongation ratio (Bs, Re); drainage asymmetry factor (AF); valley floor width to height ratio (Vf); stream gradient index (SL); and swath profile with remote sensing applied to a digital elevation model (DEM). These methods indicate the amount of active longitudinal growth of the Dara anticline. The tectonic activity analyses show that both the northwest and southeast noses of the Dara anticline are more active than the middle parts and that the SE nose is more active than NW nose.
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ISSN:1866-7511
1866-7538
DOI:10.1007/s12517-020-5156-8