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\begin{document}

\title{The Complete Annual Record of Sea Ice Volume Export Through Fram Strait
as Observed by Satellite from 2010-2022.}



\author[1]{David Gareth Babb}%
\author[2]{Sergei Kirillov}%
\author[3]{Stephen E. L. Howell}%
\author[4]{Jack Christopher Landy}%
\author[5]{Isolde Glissenaar}%
\author[1]{Julienne Stroeve}%
\author[3]{Michael Brady}%
\author[1]{Jens Kristian Ehn}%
\affil[1]{University of Manitoba}%
\affil[2]{Centre for Earth Observation Science}%
\affil[3]{Environment and Climate Change Canada}%
\affil[4]{University of Tromsø - The Artic University of Norway}%
\affil[5]{University of Bristol}%


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  \date{May 24, 2024}


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\begin{abstract}
Fram Strait is the primary pathway for sea ice export from the Arctic
Ocean, yet estimates of volume export are constrained by observations of
ice thickness and drift. Using a new year-round CryoSat-2 ice thickness
product we determine an average annual export of 1,712 \selectlanguage{ngerman}± 452 km\^{}3
from 2011-2022. 15\% of the Arctic Oceans sea ice volume is exported
annually, while 3.2\% of the volume lost during the melt season is
exported. Comparing high- and low-resolution ice drift products reveals
the latter underestimate export by 30\%. Comparing volume export between
82°N and 79°N reveals a high melt rate of 1 cm d-1, reducing export by
53\%. September sea ice volume declines by 286 km\^{}3 for every 100
km\^{}3 exported during summer, highlighting how export amplifies the
ice-albedo feedback. Our estimates of volume export provide new insight
into Fram Straits role as a sea ice sink and freshwater source.%
\end{abstract}\selectlanguage{ngerman}%



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