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Measuring currents, ice drift, and waves from space: the Sea surface KInematics Multiscale monitoring (SKIM) concept

Measuring currents, ice drift, and waves from space: the Sea surface KInematics Multiscale monitoring (SKIM) concept
Measuring currents, ice drift, and waves from space: the Sea surface KInematics Multiscale monitoring (SKIM) concept
We propose a satellite mission that uses a near-nadir Ka-band Doppler radar to measure surface currents, ice drift and ocean waves at spatial scales of 40 km and more, with snapshots at least every day for latitudes 75 to 82°, and every few days for other latitudes. The use of incidence angles of 6 and 12° allows for measurement of the directional wave spectrum, which yields accurate corrections of the wave-induced bias in the current measurements. The instrument's design, an algorithm for current vector retrieval and the expected mission performance are presented here. The instrument proposed can reveal features of tropical ocean and marginal ice zone (MIZ) dynamics that are inaccessible to other measurement systems, and providing global monitoring of the ocean mesoscale that surpasses the capability of today's nadir altimeters. Measuring ocean wave properties has many applications, including examining wave–current interactions, air–sea fluxes, the transport and convergence of marine plastic debris and assessment of marine and coastal hazards.
1812-0792
337-354
Ardhuin, Fabrice
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Aksenov, Yevgueny
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Benetazzo, Alvise
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Bertino, Laurent
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Brandt, Peter
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Caubet, Eric
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Chapron, Bertrand
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Collard, Fabrice
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Cravatte, Sophie
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Delouis, Jean-Marc
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Dias, Frederic
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Dibarboure, Gérald
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Gaultier, Lucile
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Johannessen, Johnny
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Korosov, Anton
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Manucharyan, Georgy
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Menemenlis, Dimitris
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Menendez, Melisa
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Monnier, Goulven
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Mouche, Alexis
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Nouguier, Frédéric
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Nurser, George
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Rampal, Pierre
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Reniers, Ad
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Rodriguez, Ernesto
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Stopa, Justin
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Tison, Céline
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Ubelmann, Clément
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Van Sebille, Erik
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Xie, Jiping
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Ardhuin, Fabrice
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Aksenov, Yevgueny
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Benetazzo, Alvise
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Bertino, Laurent
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Brandt, Peter
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Caubet, Eric
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Chapron, Bertrand
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Collard, Fabrice
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Cravatte, Sophie
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Delouis, Jean-Marc
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Dias, Frederic
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Dibarboure, Gérald
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Gaultier, Lucile
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Johannessen, Johnny
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Korosov, Anton
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Manucharyan, Georgy
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Menemenlis, Dimitris
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Menendez, Melisa
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Monnier, Goulven
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Mouche, Alexis
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Nouguier, Frédéric
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Nurser, George
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Rampal, Pierre
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Reniers, Ad
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Rodriguez, Ernesto
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Stopa, Justin
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Tison, Céline
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Ubelmann, Clément
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Van Sebille, Erik
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Xie, Jiping
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Ardhuin, Fabrice, Aksenov, Yevgueny, Benetazzo, Alvise, Bertino, Laurent, Brandt, Peter, Caubet, Eric, Chapron, Bertrand, Collard, Fabrice, Cravatte, Sophie, Delouis, Jean-Marc, Dias, Frederic, Dibarboure, Gérald, Gaultier, Lucile, Johannessen, Johnny, Korosov, Anton, Manucharyan, Georgy, Menemenlis, Dimitris, Menendez, Melisa, Monnier, Goulven, Mouche, Alexis, Nouguier, Frédéric, Nurser, George, Rampal, Pierre, Reniers, Ad, Rodriguez, Ernesto, Stopa, Justin, Tison, Céline, Ubelmann, Clément, Van Sebille, Erik and Xie, Jiping (2018) Measuring currents, ice drift, and waves from space: the Sea surface KInematics Multiscale monitoring (SKIM) concept. Ocean Science, 14 (3), 337-354. (doi:10.5194/os-14-337-2018).

Record type: Article

Abstract

We propose a satellite mission that uses a near-nadir Ka-band Doppler radar to measure surface currents, ice drift and ocean waves at spatial scales of 40 km and more, with snapshots at least every day for latitudes 75 to 82°, and every few days for other latitudes. The use of incidence angles of 6 and 12° allows for measurement of the directional wave spectrum, which yields accurate corrections of the wave-induced bias in the current measurements. The instrument's design, an algorithm for current vector retrieval and the expected mission performance are presented here. The instrument proposed can reveal features of tropical ocean and marginal ice zone (MIZ) dynamics that are inaccessible to other measurement systems, and providing global monitoring of the ocean mesoscale that surpasses the capability of today's nadir altimeters. Measuring ocean wave properties has many applications, including examining wave–current interactions, air–sea fluxes, the transport and convergence of marine plastic debris and assessment of marine and coastal hazards.

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Accepted/In Press date: 15 March 2018
e-pub ahead of print date: 15 May 2018

Identifiers

Local EPrints ID: 422295
URI: https://eprints.soton.ac.uk/id/eprint/422295
ISSN: 1812-0792
PURE UUID: b016839b-f4c5-433b-beaa-72c4c3e14890

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Date deposited: 20 Jul 2018 16:30
Last modified: 13 Mar 2019 18:17

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Contributors

Author: Fabrice Ardhuin
Author: Yevgueny Aksenov
Author: Alvise Benetazzo
Author: Laurent Bertino
Author: Peter Brandt
Author: Eric Caubet
Author: Bertrand Chapron
Author: Fabrice Collard
Author: Sophie Cravatte
Author: Jean-Marc Delouis
Author: Frederic Dias
Author: Gérald Dibarboure
Author: Lucile Gaultier
Author: Johnny Johannessen
Author: Anton Korosov
Author: Georgy Manucharyan
Author: Dimitris Menemenlis
Author: Melisa Menendez
Author: Goulven Monnier
Author: Alexis Mouche
Author: Frédéric Nouguier
Author: George Nurser
Author: Pierre Rampal
Author: Ad Reniers
Author: Ernesto Rodriguez
Author: Justin Stopa
Author: Céline Tison
Author: Clément Ubelmann
Author: Erik Van Sebille
Author: Jiping Xie

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