Spatiotemporal Variability of Bering Sea Surface Temperature from Satellite-Based ERA5 Reanalysis Data

被引：0
作者：
Shevchenko, G. V. [1 ,2 ]
Tshay, Zh. R. [1 ]
Lozhkin, D. M. [1 ]
机构：
[1] All Russian Res Inst Fisheries & Oceanog, Fed State Budgetary Sci Inst, Sakhalin Branch, Yuzhno Sakhalinsk 693023, Russia
[2] Russian Acad Sci, Far Eastern Branch, Inst Marine Geol & Geophys, Yuzhno Sakhalinsk 693022, Russia
来源：
IZVESTIYA ATMOSPHERIC AND OCEANIC PHYSICS | 2024年 / 60卷 / 09期
关键词：
sea surface temperature; reanalysis; thermal regime; linear trend; harmonic analysis; empirical orthogonal functions method; Bering Sea; OKHOTSK;
D O I：
10.1134/S0001433824701032
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
Features of spatiotemporal variability of the Bering Sea surface temperature have been studied by constructing average long-term distributions for different months and using the empirical orthogonal functions method based on ERA5 reanalysis data, mainly based on satellite information, for 1998-2020 (spatial resolution of data is a quarter of a degree, the time interval is one month). Also, in each spatial cell for each month, the amplitudes and phases of the annual and semiannual harmonics have been calculated, reflecting seasonal changes in thermal conditions in the studied area. Linear trend coefficients are determined, which show a stable tendency towards warming of the sea surface layer, most pronounced in summer. Extreme deviations from the average long-term values (anomalies) of the Bering Sea surface temperature are considered.
引用
收藏
页码：1075 / 1085
页数：11
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