Ocean Reanalyses: Recent Advances and Unsolved Challenges.
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Balmaseda, Magdalena A.
Domingues, Catia M.
Jackson, Laura C.
Oke, Peter R.
Penny, Stephen G.
Peterson, K. Andrew
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Ocean reanalyses combine ocean models, atmospheric forcing fluxes, and observations using data assimilation to give a four-dimensional description of the ocean. Metrics assessing their reliability have improved over time, allowing reanalyses to become an important tool in climate services that provide a more complete picture of the changing ocean to end users. Besides climate monitoring and research, ocean reanalyses are used to initialize sub-seasonal to multi-annual predictions, to support observational network monitoring, and to evaluate climate model simulations. These applications demand robust uncertainty estimates and fit-for-purpose assessments, achievable through sustained advances in data assimilation and coordinated inter-comparison activities. Ocean reanalyses face specific challenges: (i) dealing with intermittent or discontinued observing networks, (ii) reproducing inter-annual variability and trends of integrated diagnostics for climate monitoring, (iii) accou.....
JournalFrontiers in Marine Science
Sustainable Development Goals (SDG)14.a
Essential Ocean Variables (EOV)N/A
CitationStorto, A., Alvera-Azcárate, A., Balmaseda, M.A., Barth, A., Chevallier, M., et al (2019) Ocean Reanalyses: Recent Advances and Unsolved Challenges. Frontiers in Marine Science, 6:418, 10pp. DOI: 10.3389/fmars.2019.00418
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