Peculiarities of Formation of the Density Field in Mesoscale Eddies of the Lofoten Basin: Part 2

被引：10
|
作者：
Zhmur, V. V. [1 ,2 ]
Novoselova, E., V [1 ]
Belonenko, T., V [1 ]
机构：
[1] St Petersburg State Univ, St Petersburg, Russia
[2] Russian Acad Sci, Shirshov Inst Oceanol, Moscow 117218, Russia
来源：
OCEANOLOGY | 2022年 / 62卷 / 03期
基金：
俄罗斯科学基金会;
关键词：
mesoscale eddies; potential vorticity; Brunt-Vaisala frequency; buoyancy frequency; Lofoten Basin; VORTEX; DYNAMICS; OCEAN;
D O I：
10.1134/S0001437022030171
中图分类号：
P7 [海洋学];
学科分类号：
0707 ;
摘要：
This paper continues the studies of the authors of the Brunt-Vaisala (BV) frequency changes caused by mesoscale eddies of various polarities. In Part 1, we discussed the theoretical conclusions, whereas Part 2 provides the interpretation of these results on the basis of natural data. The studied region is the Lofoten Basin of the Norwegian Sea. The analysis considers the data of GLORYS12V1 oceanic reanalysis at June 10, 2010. Two eddies are considered: a quasi-permanent anticyclone, Lofoten eddy (LE), located in the center of the basin and a cyclone located southeast of LE. The mathematical formulas are verified, the characteristics of eddies are calculated, and the profiles and vertical sections of potential vorticity and BV frequency are studied. Combined analysis of natural and theoretical material results in indirect estimation of eddies, which cannot be directly measured and modeled.
引用
收藏
页码：289 / 302
页数：14
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