The Cryosphere Discuss., 6, 3647-3666, 2012
www.the-cryosphere-discuss.net/6/3647/2012/
doi:10.5194/tcd-6-3647-2012
© Author(s) 2012. This work is distributed
under the Creative Commons Attribution 3.0 License.
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This discussion paper has been under review for the journal The Cryosphere (TC). Please refer to the corresponding final paper in TC.
An estimate of global glacier volume
A. Grinsted
1College of Global Change and Earth System Science, Beijing Normal University, Beijing, China
2Centre for Ice and Climate, Niels Bohr Institute, University of Copenhagen, Denmark

Abstract. I asses the feasibility of multi-variate scaling relationships to estimate glacier volume from glacier inventory data. I calibrate scaling laws against volume observations of optimized towards the purpose of estimating the total global ice volume. This is applied individually to each record in the Randolph Glacier Inventory which is the first globally complete inventory of glaciers and ice caps. I estimate that the total volume of all glaciers in the world is 0.35 ± 0.07 m sea level equivalent. This is substantially less than a recent state-of-the-art estimate. Area volume scaling bias issues for large ice masses, and incomplete inventory data are offered as explanations for the difference.

Citation: Grinsted, A.: An estimate of global glacier volume, The Cryosphere Discuss., 6, 3647-3666, doi:10.5194/tcd-6-3647-2012, 2012.
 
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