Winter mass balance of Drangajökull ice cap (NW Iceland) derived from satellite sub-meter stereo images

Sub-meter resolution, stereoscopic satellite images allow for the generation of accurate and high-resolution digital elevation models (DEMs) over glaciers and ice caps. Here, repeated stereo images of Drangajökull ice cap (NW Iceland) from Pléiades and WorldView2 (WV2) are combined with in situ esti...

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Bibliographic Details
Published in:The cryosphere 2017-06, Vol.11 (3), p.1501-1517
Main Authors: Belart, Joaquín M C, Berthier, Etienne, Magnússon, Eyjólfur, Anderson, Leif S, Pálsson, Finnur, Thorsteinsson, Thorsteinn, Howat, Ian M, Aðalgeirsdóttir, Guðfinna, Jóhannesson, Tómas, Jarosch, Alexander H
Format: Article
Language:English
Subjects:
Accumulation
Climate change
Cores
Densification
Digital Elevation Models
Digital imaging
Dynamics
Elevation
Firn
Firn density
Glaciers
Ground based control
High resolution
Ice
Ice caps
Imagery
Land surveys
Mass
Mass balance
Mass balance of glaciers
Methods
Remote sensing
Resolution
Satellite imagery
Satellite observation
Satellites
Snow
Snow accumulation
Snow density
Spaceborne remote sensing
Statistical methods
Stereoscopy
Winter
Winter snow
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Summary:Sub-meter resolution, stereoscopic satellite images allow for the generation of accurate and high-resolution digital elevation models (DEMs) over glaciers and ice caps. Here, repeated stereo images of Drangajökull ice cap (NW Iceland) from Pléiades and WorldView2 (WV2) are combined with in situ estimates of snow density and densification of firn and fresh snow to provide the first estimates of the glacier-wide geodetic winter mass balance obtained from satellite imagery. Statistics in snow- and ice-free areas reveal similar vertical relative accuracy (
ISSN:1994-0424
1994-0416
1994-0424
1994-0416
DOI:10.5194/tc-11-1501-2017