Tracking Improvement in Simulated Marine Biogeochemistry Between CMIP5 and CMIP6

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CARBON CYCLE AND CLIMATE (K ZICKFELD, JR MELTON AND N LOVENDUSKI, SECTION EDITORS)

Tracking Improvement in Simulated Marine Biogeochemistry Between CMIP5 and CMIP6 Roland Séférian 1 & Sarah Berthet 1 & Andrew Yool 2 & Julien Palmiéri 2 & Laurent Bopp 3 & Alessandro Tagliabue 4 & Lester Kwiatkowski 5 & Olivier Aumont 5 & James Christian 6 & John Dunne 7 & Marion Gehlen 8 & Tatiana Ilyina 9 & Jasmin G. John 7 & Hongmei Li 9 & Matthew C. Long 10 & Jessica Y. Luo 7 Hideyuki Nakano 11 & Anastasia Romanou 12 & Jörg Schwinger 13 & Charles Stock 7 & Yeray Santana-Falcón 1 Yohei Takano 9,14 & Jerry Tjiputra 13 & Hiroyuki Tsujino 11 & Michio Watanabe 15 & Tongwen Wu 16 & Fanghua Wu 16 & Akitomo Yamamoto 15

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# The Author(s) 2020

Abstract Purpose of Review The changes or updates in ocean biogeochemistry component have been mapped between CMIP5 and CMIP6 model versions, and an assessment made of how far these have led to improvements in the simulated mean state of marine biogeochemical models within the current generation of Earth system models (ESMs). Recent Findings The representation of marine biogeochemistry has progressed within the current generation of Earth system models. However, it remains difficult to identify which model updates are responsible for a given improvement. In addition, the full potential of marine biogeochemistry in terms of Earth system interactions and climate feedback remains poorly examined in the current generation of Earth system models.

This article is part of the Topical Collection on Carbon Cycle and Climate Electronic supplementary material The online version of this article (https://doi.org/10.1007/s40641-020-00160-0) contains supplementary material, which is available to authorized users. * Roland Séférian [email protected] 1

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NOAA/Geophysical Fluid Dynamics Laboratory, Princeton, NJ, USA

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LSCE-IPSL, Université Paris Saclay, Gif-sur-Yvette, France

CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France

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Max Planck Institute for Meteorology, Hamburg, Germany

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National Center for Atmospheric Research, Boulder, CO, USA

National Oceanography Centre, European Way, Southampton SO14 3ZH, UK

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JMA Meteorological Research Institute, Tsukuba, Japan

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NASA Goddard Institute for Space Studies, New York, USA

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NORCE Climate, Bjerknes Centre for Climate Research, Bergen, Norway

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Present address: Los Alamos National Laboratory, Los Alamos, NM, USA

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Research Center for Environmental Modeling and Application, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan

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Beijing Climate Center, China Meteorological Administration, Beijing, China

LMD-IPSL, Ecole Normale Supérieure / Université PSL, CNRS, Ecole Polytechnique, Sorbonne Université, Paris, PSL University, Paris, France

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School of Environmental Sciences, University of Liverpool, Liverpool, UK

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LOCEAN Laboratory, Sorbonne Université-CNRS-IRD-MNHN, Paris, France

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Canadian Centre for Climate Modelling and Analysis, Victoria, BC, Canada

Curr Clim Change R