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Article Dans Une Revue International Journal of Climatology Année : 2020

An idealized protocol to assess the nesting procedure in regional climate modelling

Résumé

Nesting an RCM (regional climate model) into a GCM (global climate model) is generally realized through a relaxation applied at boundaries of the RCM. This procedure of using GCM as a driver to nudge RCM may produce climate deteriorations and biases. The present work elaborates an idealized protocol to assess the uncertainty and performance of the nesting procedure for both long-term mean climate (illustrated here for seasonal-mean T2m drifts) and concomitance of synoptic sequences between the RCM and GCM.
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Dates et versions

hal-03047359 , version 1 (08-12-2020)

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Shan Li, Laurent Li, Hervé Le Treut. An idealized protocol to assess the nesting procedure in regional climate modelling. International Journal of Climatology, 2020, ⟨10.1002/joc.6801⟩. ⟨hal-03047359⟩
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