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A new inventory of mountain glaciers and ice caps for the Antarctic periphery
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, LUVAL.
2013 (English)In: Annals of Glaciology, ISSN 0260-3055, E-ISSN 1727-5644, Vol. 54, no 63, 191-199 p.Article in journal (Refereed) Published
Abstract [en]

Although the glaciers in the Antarctic periphery make up a large fraction of all mountain glaciers and ice caps on Earth, a detailed glacier inventory of the region is lacking. We compile such an inventory, recording areas, area-altitude distributions, terminus characteristics and volume estimates. Glaciers on the mainland are excluded. The inventory is derived from the Antarctic Digital Database and some manual digitization. We additionally rely on satellite imagery, digital elevation models and a flowshed algorithm to classify ice bodies. We find 1133 ice caps and 1619 mountain glaciers covering a total of 132 867 +/- 6643 km(2). Estimated total volume corresponds to 0.121 +/- 0.010 m sea-level equivalent. Of the total glacier area, 99% drains either into ice shelves (63%) or into the ocean (36%). The inventory will provide a database for glacier mass-balance assessments, modelling and projections, and help to reduce the uncertainties in previous studies.

Place, publisher, year, edition, pages
2013. Vol. 54, no 63, 191-199 p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-207059DOI: 10.3189/2013AoG63A377ISI: 000322047200002OAI: oai:DiVA.org:uu-207059DiVA: diva2:646485
Available from: 2013-09-09 Created: 2013-09-09 Last updated: 2017-12-06Bibliographically approved

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Hock, Regine

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