Dependence of STMW representation on model resolution and FOA feedback intensity. (IMAGE)
Caption
(a) Multimodel mean STMW thickness in the CGCMs classified into oceanic eddy-free (≥50 km), eddy-present (∼25 km) and eddy-rich (∼10 km) resolution regimes, as well as from the observationally based datasets. (b) Total volume of STMW in six CGCMs and three OGCMs at different resolutions as well as three observationally based data sets. (c) Taylor diagram for the STMW thickness pattern. Point marked ‘Reference’ refers to the observational pattern in (a). (d) Inter-model relationship between the STMW volume and the wintertime-mean FOA feedback intensity. The linear regression (blue line) is displayed together with the inter-model correlation coefficient r and significance P value assessed by Student’s t test. Dots, triangles and stars signify the eddy-free, eddy-present and eddy-rich configurations of CGCMs, respectively.
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