Tides in the southern area of the Kara Sea in the vicinity of the Belyi island
https://doi.org/10.30758/0555-2648-2020-66-1-6-19
Abstract
A number of promising hydrocarbon deposits are known in the south-western part of the Kara Sea. A safe development of these deposits requires hydrometeorological support, including sea-level observations. The paper deals with sea-level data of autonomous anchored buoy station. The period of observation is about 2 years, and the observation dataset is divided into 2 periods due to the displacement of the buoy station. The coordinates of the first position of the buoy station are known but they had been changed after the displacement (possibly due to the action of the ice ridge keels).
Data from two time series of observations are studied by harmonic analysis, using the method of least squares by AARI version. According to the average monthly and mean annual values of the main tides it is found that the data includes two independent series. It is determined that the second series may be considered uniform. In order to locate of the anchored buoy station we calculated new coordinates using the empirical tidal charts of the M2 wave.
As a result, the harmonic constants of the eight main tidal waves for the Belyi Island area are presented for the first time. The new data confirms the amphidromic system in tides O1 and Q1 , between the Zhelaniya Cape and the Belyi Island. According to the new data the maximum seasonal variation in the range of M2 tide was observed in June, and the minimum of the phase angle was observed in July. This unusual seasonal variation of the M2 tide corresponds to previous observations data from the Uedinenia Island.
The authors have no competing interests.
Keywords
coastal tides,
harmonic constituents,
main characteristics of the tide,
seasonal variation of the M2 tide,
the Kara Sea
Supporting agencies: The data have been collected within the summer expeditions in the Kara Sea with the financial support of Public joint stock company “NK Rosneft”.
About the Authors
G. N. Voinov
Zubov State Oceanographic Institute;
State Scientific Center of the Russian Federation Arctic and Antarctic Research Institute
Russian Federation
Russian Federation
O. A. Morozova
State Scientific Center of the Russian Federation Arctic and Antarctic Research Institute
Russian Federation
Russian Federation
A. V. Nesterov
State Scientific Center of the Russian Federation Arctic and Antarctic Research Institute
Russian Federation
Russian Federation
K. A. Kornishin
PAO (Public Joint Stock Company) “Rosneft”
Russian Federation
Russian Federation
Ya. O. Yefimov
OOO (Limited Liability Company) “Arctic Research Center”
Russian Federation
Russian Federation
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Review
For citations:
Voinov G.N., Morozova O.A., Nesterov A.V., Kornishin K.A., Yefimov Ya.O. Tides in the southern area of the Kara Sea in the vicinity of the Belyi island. Arctic and Antarctic Research. 2020;66(1):6-19. (In Russ.) https://doi.org/10.30758/0555-2648-2020-66-1-6-19
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