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The Cryosphere An interactive open-access journal of the European Geosciences Union

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The Cryosphere, 1, 59-65, 2007
© Author(s) 2007. This work is licensed under the
Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
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
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.

Citation: Oerlemans, J., Dyurgerov, M., and van de Wal, R. S. W.: Reconstructing the glacier contribution to sea-level rise back to 1850, The Cryosphere, 1, 59-65, doi:10.5194/tc-1-59-2007, 2007.
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