Caspian Rapid Sea Level Changing Impact on Estuaries Morphodynamic Deformation  

Homayoun Khoshravan , Masoumeh Banihashemi
Caspian Sea Research Center, Water Research Institute, Km 8 Khezerabad, Sari, Mazandaran, Iran
Author    Correspondence author
International Journal of Marine Science, 2013, Vol. 3, No. 32   doi: 10.5376/ijms.2013.03.0032
Received: 05 May, 2013    Accepted: 03 Jun., 2013    Published: 02 Jul., 2013
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This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Khoshravan and Banihashemi, 2013, Caspian Rapid Sea Level Changing Impact on Estuaries Morphodynamic Deformation, International Journal of Marine Science, Vol.3, No.32 253-257 (doi: 10.5376/ijms.2013.03.0032)


In this paper, the evaluation of sedimentary-morphodynamic deformation of main estuaries of rivers in the southern coasts of the Caspian Sea is main target. With selecting, eight main rivers and by sampling of sediments on them in the beach zones, geometry of surrounded beach structure, morphodynamic condition and sedimentary deposition processes were analyzed. with interpretation satellite and aerial images of study area along the period between 1983 till 2004 that correspond to last progression phase of Caspian sea level arise (+ 2.5m), the effect of rapid sea level changing of the Caspian Sea on beach and mouth of rivers have been measured. The results show that there are different type of the estuaries in the study area and the last sea level arise has caused morphdynamic deformation (trait inclination of rivers, inflation of mouth and it’s widen) on the beach zone and the rivers mouth condition. Therefore as conclusion, the rivers of the Caspian Sea southern coasts have different behavior against rapid sea level changing in the coastal zones and they are classified to three statements: erosion, accretion and transition.

Caspian; River; Sediment; Morphodynamic; Fluctuation; Estuary
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