Seasonal and Interannual Variations of Heat Fluxes in the Barents Sea Region

被引：7

作者：

Bashmachnikov, I. L. ^{[1
,2
]}

Yurova, A. Yu ^{[1
,2
]}

Bobylev, L. P. ^{[2
,3
]}

Vesman, A. V. ^{[2
,4
]}

机构：

[1] St Petersburg State Univ, St Petersburg 199034, Russia

[2] Nansen Int Environm & Remote Sensing Ctr, St Petersburg 199034, Russia

[3] Nansen Environm & Remote Sensing Ctr, N-5006 Bergen, Norway

[4] Arctic & Antarctic Res Inst, State Res Ctr, St Petersburg 199397, Russia

来源：

IZVESTIYA ATMOSPHERIC AND OCEANIC PHYSICS | 2018年 / 54卷 / 02期

基金：

俄罗斯科学基金会;

关键词：

Barents Sea; MIT eddy-permitting ocean model; oceanic and atmospheric heat fluxes; coupled cycles in the ocean and the atmosphere; Bjerknes compensation mechanism; wavelet analysis; singular spectral analysis; OCEAN; VARIABILITY; TRANSPORT; CIRCULATION; CLIMATE;

D O I：

10.1134/S0001433818020032

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

Seasonal and interannual variations in adjective heat fluxes in the ocean (dQ(oc)) and the convergence of advective heat fluxes in the atmosphere (dQ(atm)) in the Barents Sea region have been investigated over the period of 1993-2012 using the results of the MIT regional eddy-permitting model and ERA-Interim atmospheric reanalysis. Wavelet analysis and singular spectrum analysis are used to reveal concealed periodicities. Seasonal 2- to 4- and 5- to 8-year cycles are revealed in the dQ(oc) and dQ(atm) data. It is also found that seasonal variations in dQ(oc) are primarily determined by the integrated volume fluxes through the western boundary of the Barents Sea, whereas the 20-year trend is determined by the temperature variation of the transported water. A cross-wavelet analysis of dQ(oc) and dQ(atm) in the Barents Sea region shows that the seasonal variations in dQ(oc) and dQ(atm) are nearly in-phase, while their interannual variations are out-of-phase. It is concluded that the basin of the Barents Sea plays an important role in maintaining the feedback mechanism (the Bjerknes compensation) of the ocean-atmosphere system in the Arctic region.

引用

页码：213 / 222

页数：10

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