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\begin{document}

\title{Bering Strait Ocean Heat Transport Drives Decadal Arctic Variability in
a High-Resolution Climate Model}



\author[1]{Yuchen Li}%
\author[2]{Wilbert Weijer}%
\author[3]{Prajvala Kurtakoti}%
\author[2]{Milena Veneziani}%
\author[4]{Ping Chang}%
\affil[1]{Stanford University}%
\affil[2]{Los Alamos National Laboratory (DOE)}%
\affil[3]{Los Alamos National Laboratory}%
\affil[4]{TAMU}%


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  \date{May 25, 2024}


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\begin{abstract}
We investigate the role of ocean heat transport (OHT) in driving the
decadal variability of the Arctic climate by analyzing the
pre-industrial control simulation of a high-resolution climate model.
While the OHT variability at 65@\selectlanguage{english}N is greater in the Atlantic, we find
that the decadal variability of Arctic-wide surface temperature and sea
ice area is much better correlated with Bering Strait OHT than Atlantic
OHT. In particular, decadal Bering Strait OHT variability causes
significant changes in local sea ice cover and air-sea heat fluxes,
which are amplified by shortwave feedbacks. These heat flux anomalies
are regionally balanced by longwave radiation at the top of the
atmosphere, without compensation by atmospheric heat transport (Bjerknes
compensation). The sensitivity of the Arctic to changes in OHT may thus
rely on an accurate representation of the heat transport through the
Bering Strait, which is difficult to resolve in coarse-resolution ocean
models.%
\end{abstract}%



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