Preprints
https://doi.org/10.5194/tc-2020-358
https://doi.org/10.5194/tc-2020-358

  28 Dec 2020

28 Dec 2020

Review status: this preprint is currently under review for the journal TC.

Brief communication: Accelerated glacier mass loss in the Russian Arctic (2010–2017)

Christian Sommer1, Thorsten Seehaus1, Andrey Glazovsky2, and Matthias H. Braun1 Christian Sommer et al.
  • 1Institut für Geographie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, 91058, Germany
  • 2Institute of Geography RAS, Moscow, 119017, Russia

Abstract. Glaciers in the Russian High Arctic have been subject to extensive warming due to global climate change, yet their contribution to sea level rise has been relatively small over the past decades. Here we show surface elevation change measurements and geodetic mass balances of 93 % of all glacierized areas of Novaya Zemlya, Severnaya Zemlya and Franz Josef Land using interferometric synthetic aperture radar measurements taken between 2010 and 2017. We calculate an overall mass loss 10 rate of −23 ± 5 Gt a−1, corresponding to a sea level rise contribution of 0.06 ± 0.01 mm a−1. Compared to measurements prior to 2010, mass loss of glaciers on the Russian archipelagos has doubled in recent years.

Christian Sommer et al.

 
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Status: final response (author comments only)
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Christian Sommer et al.

Christian Sommer et al.

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Short summary
Arctic glaciers have been subject to extensive warming due to global climate change, yet their contribution to sea level rise has been relatively small in the past. In this study we provide mass changes of most glaciers of the Russian Arctic (Franz Josef Land, Severnaya Zemlya & Novaya Zemlya). We use measurements of the TanDEM-X satellites to derive glacier surface elevation changes. Our results show an increase of glacier mass loss and a sea level rise contribution of 0.06 mm/a (2010–2017).