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Information Journal Paper

Title

Studying the Stability of the Proximity and Interaction Effect between Geomorphic Systems of Alluvial and Aeolian Landforms in Petergan Playa

Pages

  1-20

Abstract

 The natural contrast between alluvial and aeolian geomorphic systems on the western margin of the Petergan Playa creates a balanced and stable environmental condition, while human intervention in the one of these systems leads to environmental instability and natural hazard expansion. In this paper, having determined the territory of the alluvial and aeolian landforms, morphology and origin of aeolian shapes have been carried out by stepwise method and the geomorphology of alluvial shapes has been studied and classified using satellite images, aerial photographs and field surveys. The morphotectonic response of alluvial systems in contrast to the aeolian systems has been calculated using neotectonic indices. Finally, using the indices of motion, velocity, contact angle, and variations of the alluvial and aeolian landforms extracted at two different time points from the satellite images, the types of contrast and possible contact between them are determined and analyzed. According to the results, in 10 years about 11. 3% of the territory of Alluvial Landforms has been converted to aeolian ones. Thus, aeolian systems overwhelm the region's alluvial systems. The predominance of aeolian systems has been made by diverting and blocking the flow of water and flowing over the channel shores caused by the movement of Sand Dunes and in many cases ponds and other channels have been created along the main channel of the river. The permanent alluvial systems in the area show stable and cyclical behavior so that the dominance of alluvial systems decreases to a certain extent during the activity seasons of the aeolian systems. The research findings show that during the 10-year period, only 1. 8% of the territory of the aeolian landforms in the region has been converted to Alluvial Landforms. This type of contrast can be observed along the permanent river of Tajnood which passes through the Sand Dunes on the eastern slope of Mount Khaje.

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    APA: Copy

    RABIEI, MARYAM, SAGHAFI, MAHDI, ZANGENEH ASADI, MOHAMMAD ALI, & AMIRAHMADI, ABOLGHASEM. (2020). Studying the Stability of the Proximity and Interaction Effect between Geomorphic Systems of Alluvial and Aeolian Landforms in Petergan Playa. GEOGRAPHY AND ENVIRONMENTAL SUSTAINABILITY, 10(34 ), 1-20. SID. https://sid.ir/paper/361739/en

    Vancouver: Copy

    RABIEI MARYAM, SAGHAFI MAHDI, ZANGENEH ASADI MOHAMMAD ALI, AMIRAHMADI ABOLGHASEM. Studying the Stability of the Proximity and Interaction Effect between Geomorphic Systems of Alluvial and Aeolian Landforms in Petergan Playa. GEOGRAPHY AND ENVIRONMENTAL SUSTAINABILITY[Internet]. 2020;10(34 ):1-20. Available from: https://sid.ir/paper/361739/en

    IEEE: Copy

    MARYAM RABIEI, MAHDI SAGHAFI, MOHAMMAD ALI ZANGENEH ASADI, and ABOLGHASEM AMIRAHMADI, “Studying the Stability of the Proximity and Interaction Effect between Geomorphic Systems of Alluvial and Aeolian Landforms in Petergan Playa,” GEOGRAPHY AND ENVIRONMENTAL SUSTAINABILITY, vol. 10, no. 34 , pp. 1–20, 2020, [Online]. Available: https://sid.ir/paper/361739/en

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