Challenges with interpreting the impact of Atlantic Multidecadal Variability using SST-restoring experiments

نویسندگان

چکیده

Abstract Climate model simulations that restore SSTs in the North Atlantic have been used to explore climate impacts of Multidecadal Variability (AMV). However, despite and observations exhibiting similar SST anomalies, experiments with active SST-restoring Tropical exhibit strong positive surface heat-fluxes out ocean warm which is not replicated other or observations. The upward are systematically driven by found be crucial for generating a local precipitation response associated remote impact on Pacific Walker circulation; these both absent simulations. results this study strongly suggest employing (or prescribed SSTs) exaggerate influence patterns global anomalies its role recent multidecadal trends.

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ژورنال

عنوان ژورنال: npj climate and atmospheric science

سال: 2023

ISSN: ['2397-3722']

DOI: https://doi.org/10.1038/s41612-023-00335-0