首页|Northeast Pacific marine heatwaves link climate modes in a coupled model simulation
Northeast Pacific marine heatwaves link climate modes in a coupled model simulation
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NETL
NSTL
Springer Nature
Abstract Coupled atmosphere–ocean phenomena known as northeast Pacific marine heatwaves (MHWs) simulated in a climate model with an eddy-permitting ocean model were examined. During the analyzed 270-years of the preindustrial control run, 13 events of MHW (defined here by warm annual-mean SST anomalies with over 1.5 times of the standard deviation) were detected. The simulated MHWs are linked to the decadal-scale climate modes of PDO, inverted NPGO (IV-NPGO), and the central Pacific El Niño (CP-El-Niño): IV-NPGO and then PDO changed the signs from negative to positive a few years before the MHWs at around which PDO took the maxima, when CP-El-Niño occurred. Air–sea interactions between subtropical-tropical and within mid-latitudes suggest playing crucial roles in the evolution of the MHWs.
Tomonori Matsuura、Ichiro Yasuda、Hiroaki Tatebe
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The University of Tokyo
Japan Agency for Marine-Earth Science and Technology
NETL
NSTL
Springer Nature
