The EU-FP7 ERA-CLIM2 project contribution to advancing science and production of Earth-system climate reanalyses

Roberto Buizza 1 Stefan Brönnimann 2 Leopold Haimberger 3 Patrick Laloyaux 1 Matthew J. Martin 4 Manuel Fuentes 1 Magdalena Alonso-Balmaseda 1 Andrea Becker 5 Michael Blaschek 3 Per Dahlgren 1 Eric de Boisseson 1 Dick Dee 1 Marie Doutriaux-Boucher 6 Feng Xiangbo 7 Viju John 8 Keith Haines 7 Sylvie Jourdain 9 Yuki Kosaka 1 Daniel Lea 10 Florian Lemarié 10, * Michael Mayer 11 Palmira Messina 12 Coralie Perruche 13 Philippe Peylin 14 Jounie Pullainen 15 Nick Rayner 4 Elke Rustemeier 5 Dinand Schepers 1 Roger Saunders 8 Jörg Schulz 5 Alexander Sterin 16 Sebastian Stichelberger 3 Andrea Storto 17 Charles-Emmanuel Testut 13 Maria- Antóonia Valente 18 Arthur Vidard 10 Nicolas Vuichard 14 Anthony Weaver 19 James While 4 Markus Ziese 19
Abstract : ERA-CLIM2 is a European Union Seventh Framework Project started in January 2014. It aims to produce coupled reanalyses, which are physically consistent data sets describing the evolution of the global atmosphere, ocean, land-surface, cryosphere and the carbon cycle. ERA-CLIM2 has contributed to advancing the capacity for producing state-of-the-art climate reanalyses that extend back to the early 20th century. It has led to the generation of the first ensemble of coupled ocean, sea-ice, land and atmosphere reanalyses of the 20th century. The project has funded work to rescue and prepare observations, and to advance the data51 assimilation systems required to generate operational reanalyses, such as the ones planned by the European Union Copernicus Climate Change Service. This paper summarizes the main goals of the project, discusses some of its main areas of activities, and presents some of its key results.
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Roberto Buizza, Stefan Brönnimann, Leopold Haimberger, Patrick Laloyaux, Matthew J. Martin, et al.. The EU-FP7 ERA-CLIM2 project contribution to advancing science and production of Earth-system climate reanalyses. Bulletin of the American Meteorological Society, American Meteorological Society, 2017, ⟨10.1175/BAMS-D-17-0199.1⟩. ⟨hal-01661240⟩

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