ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa


Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2020, Vol. 17, No. 4, pp. 256-266

Analysis of the dynamics of ocean level surface in the Gulf of Alaska from satellite altimetry data

A.A. Romanov 1 , A.A. Romanov 1 , M.V. Ustinova 2 
1 Central Research Institute for Machine Building, Moscow, Russia
2 Moscow Institute of Physics and Technology, Dolgoprudny, Russia
Accepted: 05.08.2020
DOI: 10.21046/2070-7401-2020-17-4-256-266
The paper presents the results of a study of the features of regional dynamics of the World Ocean using satellite altimetry data. The dynamic structures and eddy formations in the region, identified during a comprehensive experiment to study the general pelagic ecosystem of the Gulf of Alaska in 2019 are investigated. Presented are the seasonal and monthly maps of average sea surface height anomalies obtained from the TOPEX/Poseidon, Jason 1/2/3 satellites for the period from 1992 to 2019. The information of the Sentinel 3A/B satellite is used for a short period of 2019 at the time of the absence of data from the JASON-3 altimeter. The nature of the variability of the behavior of waters in the region is analyzed, the features of the identified eddy structures and frontal zones, as well as the features of the seasonal variability of the North Pacific and Alaskan currents, are investigated. Analysis of the average sea surface map made it possible to identify structures that are essentially stationary in nature, while leaving open the questions of possible change in the hydrological regime in the region for further research.
Keywords: satellite altimetry, remote sensing, sea surface dynamics, Alaska Bay, sea level anomalies
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