Assessing equatorial surface currents in the FOAM Global and Indian Ocean models against observations from the global tropical moored buoy array

Hyder, P; Storkey, D; Blockley, E; Guiavarc’h, C; Siddorn, J ORCID: https://orcid.org/0000-0003-3848-8868; Martin, M; Lea, D. 2012 Assessing equatorial surface currents in the FOAM Global and Indian Ocean models against observations from the global tropical moored buoy array. Journal of Operational Oceanography, 5 (2). 25-39. https://doi.org/10.1080/1755876x.2012.11020136

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Abstract/Summary

Surface currents from 2007–2008 hindcasts of the Forecast Ocean Assimilation Model (FOAM) Global and Indian Ocean models are assessed against observations at 46 global tropical moored buoy array sites. Zonal (u) currents are less challenging to model than meridional flows (v) due to their lower frequency variability. The assimilative global model has reasonable skill for zonal currents but less skill for meridional currents. The assimilative models have higher skill than the corresponding non-assimilative models. A too-strong westward bias of the order of 20cm/s is evident along the equator in all model versionsused in this study. No extra skill is evident in the high resolution (1/12°) regional model compared to the coarser resolution (1/4°) global model.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1080/1755876x.2012.11020136
ISSN:	1755-876X
Date made live:	20 Apr 2021 14:26 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/530104

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