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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Volume 1, issue 1
The Cryosphere, 1, 59–65, 2007
https://doi.org/10.5194/tc-1-59-2007
© Author(s) 2007. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
The Cryosphere, 1, 59–65, 2007
https://doi.org/10.5194/tc-1-59-2007
© Author(s) 2007. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

  06 Dec 2007

06 Dec 2007

Reconstructing the glacier contribution to sea-level rise back to 1850

J. Oerlemans1, M. Dyurgerov2, and R. S. W. van de Wal1 J. Oerlemans et al.
  • 1Institute for Marine and Atmospheric Research, Utrecht University, Princetonplein 5, Utrecht 3584CC, The Netherlands
  • 2Department of Physical Geography and Quaternary Geology, Stockholm University, 10654 Stockholm, Sweden

Abstract. We present a method to estimate the glacier contribution to sea-level rise from glacier length records. These records form the only direct evidence of glacier changes prior to 1946, when the first continuous mass-balance observations began. A globally representative length signal is calculated from 197 length records from all continents by normalisation and averaging of 14 different regions. Next, the resulting signal is calibrated with mass-balance observations for the period 1961–2000. We find that the glacier contribution to sea level rise was 5.5±1.0 cm during the period 1850–2000 and 4.5±0.7 cm during the period 1900–2000.

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