Articles | Volume 16, issue 6
Research article
13 Nov 2020
Research article |  | 13 Nov 2020

Measuring ocean total surface current velocity with the KuROS and KaRADOC airborne near-nadir Doppler radars: a multi-scale analysis in preparation for the SKIM mission

Louis Marié, Fabrice Collard, Frédéric Nouguier, Lucia Pineau-Guillou, Danièle Hauser, François Boy, Stéphane Méric, Peter Sutherland, Charles Peureux, Goulven Monnier, Bertrand Chapron, Adrien Martin, Pierre Dubois, Craig Donlon, Tania Casal, and Fabrice Ardhuin

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Cited articles

Ardhuin, F., Marié, L., Rascle, N., Forget, P., and Roland, A.: Observation and estimation of Lagrangian, Stokes and Eulerian currents induced by wind and waves at the sea surface, J. Phys. Oceanogr., 39, 2820–2838,, 2009. a, b, c
Ardhuin, F., Balanche, A., Stutzmann, E., and Obrebski, M.: From seismic noise to ocean wave parameters: general methods and validation, J. Geophys. Res., 117, C05002,, 2012. a
Ardhuin, F., Aksenov, Y., Benetazzo, A., Bertino, L., Brandt, P., Caubet, E., Chapron, B., Collard, F., Cravatte, S., Delouis, J.-M., Dias, F., Dibarboure, G., Gaultier, L., Johannessen, J., Korosov, A., Manucharyan, G., Menemenlis, D., Menendez, M., Monnier, G., Mouche, A., Nouguier, F., Nurser, G., Rampal, P., Reniers, A., Rodriguez, E., Stopa, J., Tison, C., Ubelmann, C., van Sebille, E., and Xie, J.: Measuring currents, ice drift, and waves from space: the Sea surface KInematics Multiscale monitoring (SKIM) concept, Ocean Sci., 14, 337–354,, 2018. a
Ardhuin, F., Chapron, B., Maes, C., Romeiser, R., Gommenginger, C., Cravatte, S., Morrow, R., Donlon, C., and Bourassa, M.: Satellite Doppler observations for the motions of the oceans, B. Am. Meterol. Soc., 100, 215–219,, 2019a. a
Ardhuin, F., Marié, L., Peureux, C., Delouis, J.-M., and Gressani, V.: Estimation of non-geophysical Doppler and wave Doppler, and inversion algorithm for SKIM, Tech. Rep. SKIM-MPRC-TN5-V1.5-LOPS-2019, European Space Agency, Noordwijk, the Netherlands, doi:10.13140/RG.2.2.22907.98081/3, 2019b. a, b
Short summary
With present-day techniques, ocean surface currents are poorly known near the Equator and globally for spatial scales under 200 km and timescales under 30 d. Wide-swath radar Doppler measurements are an alternative technique. Such direct surface current measurements are, however, affected by platform motions and waves. These contributions are analyzed in data collected during the DRIFT4SKIM airborne and in situ experiment, demonstrating the possibility of measuring currents from space globally.