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Information Journal Paper

Title

Gorgan Bay environmental consequences due to the Caspian Sea rapid water level change

Pages

  213-226

Abstract

 The rapid Caspian Sea level Fluctuations have caused unstable conditions for coastal areas during the 20st and 21st centuries, and have led to significant losses for economical and social infrastructure. The main objective of this study was to assess the impact of the Caspian Sea level Fluctuations on the Environment of the Gorgan Bay Coasts, which is a large, shallow inlet at the extreme south-east corner of the Caspian Sea. So that, studying required documentations have made it possible to become acquainted with the geographical, geological and Environmental conditions of Gorgan Bay. The morphological conditions of coastal lines and diversity of coastal habitats were also assessed in field observations. The geometric structure of coast, their sediment types and the physicochemical properties of soils belonging to coastal habitats were evaluated by determining three transects and nine study sites in the spring and summer 2017. Changes in the coastline of Gorgan Bay were also processed using Land-Sat satellite imagery from 1977, 1995 and 2017. The results exhibited that the Environmental vulnerability of the Gorgan Bay Coasts depends on the morphological conditions of coastal habitats and alterations in the Caspian Sea level. So that, the plant and animal communities located in the most end of western part of the Gorgan Bay have faced serious challenges during the current century due to the decrease in the Caspian Sea level. Connecting canals between the Bay and Sea will also lose their discharge capacity and the Gorgan Bay will completely be dried up due to this decline. Emergence of large mudflats with sedimentary composition of sandy silt, which has created a very good potential for occurrence of haze, and also replacing the drought ecosystem, instead of the aquatic one, are other Environmental events which are expanding vastly in the coastal areas of the Gorgan Bay.

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    APA: Copy

    Khoshravan, Homayoun, NAQINEZHAD, ALIREZA, Alinejad Tabrizi, Tahereh, & Yanina, Tamara. (2019). Gorgan Bay environmental consequences due to the Caspian Sea rapid water level change. CASPIAN JOURNAL OF ENVIRONMENTAL SCIENCES (CJES), 17(3 ), 213-226. SID. https://sid.ir/paper/240787/en

    Vancouver: Copy

    Khoshravan Homayoun, NAQINEZHAD ALIREZA, Alinejad Tabrizi Tahereh, Yanina Tamara. Gorgan Bay environmental consequences due to the Caspian Sea rapid water level change. CASPIAN JOURNAL OF ENVIRONMENTAL SCIENCES (CJES)[Internet]. 2019;17(3 ):213-226. Available from: https://sid.ir/paper/240787/en

    IEEE: Copy

    Homayoun Khoshravan, ALIREZA NAQINEZHAD, Tahereh Alinejad Tabrizi, and Tamara Yanina, “Gorgan Bay environmental consequences due to the Caspian Sea rapid water level change,” CASPIAN JOURNAL OF ENVIRONMENTAL SCIENCES (CJES), vol. 17, no. 3 , pp. 213–226, 2019, [Online]. Available: https://sid.ir/paper/240787/en

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