International Journal Of Coastal, Offshore And Environmental Engineering(ijcoe)

International Journal Of Coastal, Offshore And Environmental Engineering(ijcoe)

The impact of the inlet cyclones to the Caspian Sea on the sea level fluctuations

Authors
Negin Hatami Bavarsad 1
Dariush Mansoury 1
Mohammad Reza Khalilabadi 2
Mohammad Malekilonbar 3
1 College of Marine Sciences, Tarbiat Modares University, Iran
2 Faculty of Naval Aviation, Malek Ashtar University of Technology, Shiraz, Iran
3 College of Marine Science, Tarbiat Modares University, Iran
10.22034/ijcoe.2021.149355
Abstract
In this article, source and trace of the cyclones produced on the Caspian Sea were investigated from 2012 to 2017. The required data for this research consists of water level data recorded at stations such as Amirabad port, as well as other ports, mean atmospheric pressure at the Sea surface and wind data from ECMWF Web site. Results show that source of atmospheric low pressure is from the southwest and west of the Caspian Sea and in 2016 it is from the northern region of this basin. These atmospheric low pressures mostly enter to the Caspian Sea from the northwest of the mid Caspian Sea and their moving trace is to the east and southeast of the southern Caspian Sea. With the investigation of the impact of atmospheric low pressure and wind on the water level of Caspian Sea, in the coasts of Bandar-e Anzali, Fereydunkenar and Amirabad, it was obtained that in 2013 and 2016 low pressure effect and in 2015 wind effect was the most effective phenomena on the water level. The maximum movement velocity of the atmospheric cyclones from 2012 to 2017 was respectively equal to 10.17, 7.96, 44.7, 16.7, and 2.6 m/s.
Keywords
sea level
Atmospheric low pressure
wind
the Caspian Sea
Sea levl
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