Evolution of Mesoscale Anticyclonic Vortex and Vortex Dipoles/Multipoles on Its Base in the South-Eastern Baltic (Satellite Information: May–july 2015)

Ginzburg, A. I.; Krek, A. V.; Kostianoy, Andrey G.; Solovyev, D.M.

doi:10.29006/1564-2291.jor-2017.45(1).3

Cited by 6 publications

(9 citation statements)

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“…Spirals in the southeastern Baltic Sea were repeatedly observed in infrared (e.g. Zhurbas et al, 2004;Ginzburg et al, 2017), SAR (Karimova et al, 2012), and optical (e.g. Karimova et al, 2012;Ginzburg et al, 2017) images.…”

Section: Introductionmentioning

confidence: 81%

“…Spiral structures that can be treated as signatures of submesoscale eddies are a common feature on the synthetic aperture radar (SAR), infrared, and optical satellite images of the sea surface (e.g. Munk et al, 2000;Laanemets et al, 2011;Karimova et al, 2012;Ginzburg et al, 2017). The spirals are broadly distributed in the World Ocean, 10-25 km in size and overwhelmingly cyclonic (Munk et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

“…Zhurbas et al, 2004;Ginzburg et al, 2017), SAR (Karimova et al, 2012), and optical (e.g. Karimova et al, 2012;Ginzburg et al, 2017) images. Most fabulous optical images have been encountered in summer when the spirals become visualized by the cyanobacteria blooms.…”

Section: Introductionmentioning

confidence: 99%

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Rotation of floating particles in submesoscale cyclonic and anticyclonic eddies: a model study for the southeastern Baltic Sea

Zhurbas¹,

Väli²,

Kuzmina³

2019

Preprint

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Abstract. It was assumed that the overwhelming dominance of cyclonic spirals on satellite images of the sea surface could be caused by some sort of differences between rotary characteristics of the submesoscale cyclonic and anticyclonic eddies. This hypothesis was tested by means of numerical experiments with synthetic floating Lagrangian particles embedded in a regional circulation model of the southeastern Baltic Sea with very high horizontal resolution (0.125 nautical mile grid). The numerical experiments showed that the cyclonic spirals can be formed both from a horizontally uniform initial distribution of floating particles and from the initially lined up particles during the advection time of the order of 1 day. Statistical processing of the trajectories of the synthetic floating particles allowed to conclude that the submesoscale cyclonic eddies differ from the anticyclonic eddies in three ways favouring the formation of the spirals: the former can be characterized by a considerably higher angular velocity and a more pronounced differential rotation as well as by a negative helicity.

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Section: Introductionmentioning

confidence: 81%

Section: Introductionmentioning

confidence: 99%

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Rotation of floating particles in submesoscale cyclonic and anticyclonic eddies: a model study for the southeastern Baltic Sea

Zhurbas¹,

Väli²,

Kuzmina³

2019

Preprint

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“…This is the best interactive numerical model developed specially for the Baltic Sea, but it does not always provide correct forecasts of oil pollution drift. This is because the model does not take into account submesoscale eddies that can play a critical role in the distribution of pollutants (Ginzburg et al, 2015a, b;2017;. And the Gdańsk Bay, that occupies the most part of southeast Baltic, is known for regular formation of eddy structures (Ginzburg et al, 2015a, b;2017;Lavrova et al, 2018;Zhurbas et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

“…This is because the model does not take into account submesoscale eddies that can play a critical role in the distribution of pollutants (Ginzburg et al, 2015a, b;2017;. And the Gdańsk Bay, that occupies the most part of southeast Baltic, is known for regular formation of eddy structures (Ginzburg et al, 2015a, b;2017;Lavrova et al, 2018;Zhurbas et al, 2019). Another important scientific and practical problem that must be addressed in the framework of environmental monitoring is the determination of the areas of ecological risk, i.e.…”

Section: Introductionmentioning

confidence: 99%

Concurrent Field Experiments and Satellite Surveys for Assessing Environmental Risk in the Coastal Zone of Southeast Baltic

et al. 2019

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The results of field experiments concurrent to satellite surveys conducted in the summer periods of 2014-2019 in the southeastern part of the Baltic Sea off Sambian Peninsula are presented. The main goal was to study coastal currents in a highly variable wind field and its impact on the transport of potential marine pollution. Southeast Baltic is, on the one hand, an area of active navigation, fishing, off-shore oil production, and, on the other hand, a rapidly developing recreation area. It is also an area of frequent massive blooming of harmful algae. Considering these facts, studying coastal currents and their impact on antropogenic and biogenic pollution propagation in the area is highly important. Our main research instrument was drifting Lagrangian buoys (mini-drifters) that are quite often used in oceanography today, Acoustic Doppler Current Profiler (ADCP) and CTD probe measuring temperature, conductivity (salinity) and pressure (depth) and in-situ turbidity and CHL-a In addition, we used satellite remote sensing data publicly available from European and American databases. Mainly, these were data obtained from Sentinel-2 (MSI), Landsat-8 (OLI/TIRS), Sentinel-3 (OLCI) and MODIS (Aqua/Terra) satellites. The experimental data allowed us to describe in detail the alongshore current structure and identify the areas most affected by marine pollution, among which are the most popular places of the region: the beaches of the Yantarniy settlement and Curonian Spit, a national nature reserve and a UNESCO World Heritage Site.

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Hindcast of the mesoscale eddy field in the Southeastern Baltic Sea: Model output vs satellite imagery

Zhurbas¹,

̈Ali²,

Kostianoy³

et al. 2019

Russ. J. Earth Sci.

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An ultra-high resolution circulation model (0.125 nautical mile grid) of the Southeastern Baltic Sea is compiled from the General Estuarine Transport Model (GETM) in order to simulate the mesoscale eddy field in the area. The model results are compared with optical and infrared satellite imagery available for the period of May-August 2015. Mesoscale eddies detected in the satellite images are reasonably well identified in the simulated patterns of the sea surface temperature, currents, and floating Lagrangian particles.

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Evolution of Mesoscale Anticyclonic Vortex and Vortex Dipoles/Multipoles on Its Base in the South-Eastern Baltic (Satellite Information: May–july 2015)

Cited by 6 publications

References 0 publications

Rotation of floating particles in submesoscale cyclonic and anticyclonic eddies: a model study for the southeastern Baltic Sea

Rotation of floating particles in submesoscale cyclonic and anticyclonic eddies: a model study for the southeastern Baltic Sea

Concurrent Field Experiments and Satellite Surveys for Assessing Environmental Risk in the Coastal Zone of Southeast Baltic

Hindcast of the mesoscale eddy field in the Southeastern Baltic Sea: Model output vs satellite imagery

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