from 01.01.2018 until now
Murmansk Marine Biological Institute of the Kola Science Center of the Russian Academy of Sciences
Russian Federation
from 01.01.2018 to 01.01.2022
N.N.Zubov’s State Oceanographic Institute, Roshydromet
Saint-Petersburg, St. Petersburg, Russian Federation
from 01.01.2011 until now
St. Petersburg State University
from 01.01.2014 until now
Russian Federation
St. Petersburg State University
UDK 551.461 Общие вопросы. Зоны морей, их горизонтальное подразделение.Уровень моря
UDK 551.463 Морская вода. Физические свойства морской воды. Физика моря
UDK 551.46.0 Общие аспекты океанологии: теория, наблюдения, приборы. Прикладная океанология
UDK 551.468 Региональная океанология (региональная океанография) окраинных морей и их подразделений, прилегающих к суше
UDK 55 Геология. Геологические и геофизические науки
UDK 550.34 Сейсмология
UDK 550.383 Главное магнитное поле Земли
GRNTI 37.01 Общие вопросы геофизики
GRNTI 37.15 Геомагнетизм и высокие слои атмосферы
GRNTI 37.25 Океанология
GRNTI 37.31 Физика Земли
GRNTI 38.01 Общие вопросы геологии
GRNTI 36.00 ГЕОДЕЗИЯ. КАРТОГРАФИЯ
GRNTI 37.00 ГЕОФИЗИКА
GRNTI 38.00 ГЕОЛОГИЯ
GRNTI 39.00 ГЕОГРАФИЯ
GRNTI 52.00 ГОРНОЕ ДЕЛО
OKSO 05.00.00 Науки о Земле
BBK 26 Науки о Земле
TBK 63 Науки о Земле. Экология
BISAC SCI SCIENCE
With the help of long-term average daily tide gauge observations of sea level, satellite altimetry measurements and data from reanalyses of meteorological and hydrophysical fields, the features and physical mechanisms of interannual variability of seasonal fluctuations in the level of the Baltic Sea are investigated. It is shown that for the period 1889-2022 in Stockholm, in interannual changes in the amplitudes of harmonics Sa, Ssa, Sta, Sqa, there are statistically insignificant positive linear trends, against the background of which long-term cycles with time scales approximately from 20–35 to 55 years and very significant changes in amplitudes from 0.5–1.0 to 25–27 centimeters are observed. In recent decades, the harmonics Sa, Ssa, and Sta have seen a noticeable decrease in the amplitudes and dispersion of oscillations. The results of mutual correlation and multiple regression analyses of anomalies of seasonal fluctuations in sea level and various hydrometeorological processes indicate that the largest contribution to the interannual variability of seasonal fluctuations in sea level is made by changes in the tangential friction of the wind. The second most important processes are changes in atmospheric pressure over the sea and water exchange between the Baltic and North Seas. Changes in freshwater balance and density have the smallest impact on interannual variability in seasonal sea-level patterns.
sea level, satellite altimeter measurements, reanalysis data, seasonal fluctuations, moving harmonic analysis, interannual variability, trends, wind stress, atmospheric pressure, steric sea level oscillations, fresh balance, water exchange, multiple regression analysis
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