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OS | Articles | Volume 14, issue 5
Ocean Sci., 14, 1069–1084, 2018
https://doi.org/10.5194/os-14-1069-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: REP14-MED: A Glider Fleet Experiment in a Limited Marine...

Ocean Sci., 14, 1069–1084, 2018
https://doi.org/10.5194/os-14-1069-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 20 Sep 2018

Research article | 20 Sep 2018

Dense CTD survey versus glider fleet sampling: comparing data assimilation performance in a regional ocean model west of Sardinia

Jaime Hernandez-Lasheras and Baptiste Mourre
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Cited articles  
Alvarez, A. and Mourre, B.: Cooperation or coordination of underwater glider networks? An assessment from observing system simulation experiments in the Ligurian Sea, J. Atmos. Ocean. Tech., 31, 2268–2277, https://doi.org/10.1175/JTECH-D-13-00214.1, 2014. a
Barth, A., Alvera-Azcárate, A., Troupin, C., Ouberdous, M., and Beckers, J.-M.: A web interface for griding arbitrarily distributed in situ data based on Data-Interpolating Variational Analysis (DIVA), Adv. Geosci., 28, 29–37, https://doi.org/10.5194/adgeo-28-29-2010, 2010. a
Escudier, R., Mourre, B., Juza, M., and Tintoré, J.: Subsurface circulation and mesoscale variability in the Algerian subbasin from altimeter-derived eddy trajectories, J. Geophys. Res.-Oceans, 121, 6310–6322, https://doi.org/10.1002/2016JC011760, 2016. a
Evensen, G.: The Ensemble Kalman Filter: Theoretical formulation and practical implementation, Ocean Dynam., 53, 343–367, https://doi.org/10.1007/s10236-003-0036-9, 2003. a
Garau, B., Bonet, M., Alvarez, A., Ruiz, S., and Pascual, A.: Path planning for autonomous underwater vehicles in realistic oceanic current fields: application to gliders in the western mediterranean sea, J. Mar. Res., VI, 5–22, 2009. a
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Different sampling strategies have been assessed in order to evaluate the most efficient configuration for the assimilation of high resolution measurements into a regional ocean model. The results show the capability of the model to ingest both large scale and high resolution observations and the improvement of the forecast fields. In particular, the configurations using eight gliders and the one assimilating CTDs show similar results and the give the best performance among all the simulations
Different sampling strategies have been assessed in order to evaluate the most efficient...
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