Articles | Volume 12, issue 4
The Cryosphere, 12, 1523–1530, 2018
https://doi.org/10.5194/tc-12-1523-2018
The Cryosphere, 12, 1523–1530, 2018
https://doi.org/10.5194/tc-12-1523-2018

Brief communication 27 Apr 2018

Brief communication | 27 Apr 2018

Brief communication: Unabated wastage of the Juneau and Stikine icefields (southeast Alaska) in the early 21st century

Etienne Berthier et al.

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Cited articles

Arendt, A., Luthcke, S., Gardner, A., O'Neel, S., Hill, D., Moholdt, G., and Abdalati, W.: Analysis of a GRACE global mascon solution for Gulf of Alaska glaciers, J. Glaciol., 59, 913–924, https://doi.org/10.3189/2013JoG12J197, 2013. 
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Berthier, E., Arnaud, Y., Vincent, C., and Remy, F.: Biases of SRTM in high-mountain areas: Implications for the monitoring of glacier volume changes, Geophys. Res. Lett., 33, L08502, https://doi.org/10.1029/2006GL025862, 2006. 
Berthier, E., Schiefer, E., Clarke, G. K. C., Menounos, B., and Rémy, F.: Contribution of Alaskan glaciers to sea-level rise derived from satellite imagery, Nat. Geosci., 3, 92–95, https://doi.org/10.1038/ngeo737, 2010. 
Berthier, E., Cabot, V., Vincent, C., and Six, D.: Decadal region-wide, and glacier-wide mass balances derived from multi-temporal ASTER satellite digital elevation models. Validation over the Mont-Blanc area, Front. Earth Sci., 4, 63, https://doi.org/10.3389/feart.2016.00063, 2016. 
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Short summary
Two recent studies suggested a slowdown in mass loss after 2000 of the Juneau and Stikine icefields, accounting for 10% of the total ice cover in Alaska. Here, the ASTER-based geodetic mass balances are revisited, carefully avoiding the use of the SRTM DEM, because of the unknown penetration depth of the SRTM C-band radar signal. We find strongly negative mass balances from 2000 to 2016 for both icefields, in agreement with airborne laser altimetry. Mass losses are thus continuing unabated.