Slicks as indicators for marine Processes
Slicks as indicators for marine Processes
Monomolecular surface films ("sea slicks") are well known to dampen small-scale waves at the water surface, thereby influencing transport processes at the air-sea interface. Because of their strong wave-damping capacity, they can often be observed, not just on synthetic aperture radar imagery, but also on imagery acquired in the visible and infrared spectral ranges. Because sea slicks tend to accumulate at the water surface along lines of, for example, current shear in fronts and eddies, they can be used as proxies for observing such marine processes from space. We demonstrate how well sea slicks are suited to indicate marine processes in the coastal zone. A slick's damping capability depends on the surfactant concentration on the sea surface and, thus, on the compression status of the slick-forming material. Furthermore, we show that slick signatures can be used to derive surface current vectors at higher spatial resolution than that of numerical models.
138-149
Gade, Martin
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Byfield, Valborg
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Ermakov, Stanislav
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Lavrova, Olga
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Mitnik, Leonid
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2013
Gade, Martin
caf95bc4-062d-4799-88ad-2bb4bec1b969
Byfield, Valborg
b360ba2c-2648-4f94-9b22-536423ef65c1
Ermakov, Stanislav
ec8a4486-7f49-4041-b332-9679f75e0e0f
Lavrova, Olga
b9571fce-66f1-4920-9429-7aebbf137a28
Mitnik, Leonid
17db4be0-1058-4736-a9c0-77655495e8a7
Gade, Martin, Byfield, Valborg, Ermakov, Stanislav, Lavrova, Olga and Mitnik, Leonid
(2013)
Slicks as indicators for marine Processes.
Oceanography, 26 (2), .
(doi:10.5670/oceanog.2013.39).
Abstract
Monomolecular surface films ("sea slicks") are well known to dampen small-scale waves at the water surface, thereby influencing transport processes at the air-sea interface. Because of their strong wave-damping capacity, they can often be observed, not just on synthetic aperture radar imagery, but also on imagery acquired in the visible and infrared spectral ranges. Because sea slicks tend to accumulate at the water surface along lines of, for example, current shear in fronts and eddies, they can be used as proxies for observing such marine processes from space. We demonstrate how well sea slicks are suited to indicate marine processes in the coastal zone. A slick's damping capability depends on the surfactant concentration on the sea surface and, thus, on the compression status of the slick-forming material. Furthermore, we show that slick signatures can be used to derive surface current vectors at higher spatial resolution than that of numerical models.
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26-2_gade.pdf
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Published date: 2013
Organisations:
Marine Physics and Ocean Climate
Identifiers
Local EPrints ID: 370444
URI: http://eprints.soton.ac.uk/id/eprint/370444
ISSN: 1042-8275
PURE UUID: ec7ce370-2aac-4253-b6d0-f871460e2b73
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Date deposited: 23 Oct 2014 15:33
Last modified: 14 Mar 2024 18:17
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Author:
Martin Gade
Author:
Valborg Byfield
Author:
Stanislav Ermakov
Author:
Olga Lavrova
Author:
Leonid Mitnik
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