YF's and MG's work was supported by DOE's Earth System Modeling (EaSM) Grant DE-SC0006694 and by ONR's Multi-University Research Initiative (MURI) Grant N00014-12-1-0911. AG was supported by a postdoctoral fellowship of the Groupement d'Intérêt Scientifique (GIS) “Réseau de Recherche sur le Développement Soutenable” (R2DS) of the Région Ile-de-France, while AWR was supported by DOE's EaSM Grant DE-SC0006616 and by ONR's MURI Grant N00014-12-1-0911.
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