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  A 15 year record of frontal glacier ablation rates estimated from seismic data: FRONTAL ABLATION FROM SEISMIC DATA

Köhler, A., Nuth, C., Kohler, J., Berthier, E., Weidle, C., Schweitzer, J. (2016): A 15 year record of frontal glacier ablation rates estimated from seismic data: FRONTAL ABLATION FROM SEISMIC DATA. - Geophysical Research Letters, 43, 23, 12,155-12,164.
https://doi.org/10.1002/2016GL070589

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5004091 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5004091_1
Genre: Journal Article

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 Creators:
Köhler, Andreas1, Author
Nuth, Christopher1, Author
Kohler, Jack1, Author
Berthier, Etienne1, Author
Weidle, Christian1, Author
Schweitzer, Johannes1, Author
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1Publikationen aller GIPP-unterstützten Projekte, Deutsches GeoForschungsZentrum, Potsdam, ou_44021              

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 Abstract: We present a unique time series of continuous glacier frontal ablation rates with weekly resolution over 15 years estimated from seismic calving observations at Kronebreen, Svalbard. Using linear statistical models, we calibrate the seismic record with 7 years of satellite-derived frontal ablation measurements. The two basic input parameters required for our models are the cumulative duration of individual seismic calving events and the incompleteness of the seismic record to correct for the effect of seismic background noise. Frontal ablation follows the seasonal glacier speedup, peaking 1–2 months after the melt season maximum. Short-lived peaks are associated with melt and rain events. Cumulative frontal ablation of Kronebreen between 2001 and 2015 is about 4.0 km3 (3.7 Gt), with the greatest annual loss (0.45 km3) between 2013 and 2014 at the onset of the recent accelerated retreat of the glacier. Our approach provides a potential method for monitoring tidewater glaciers worldwide that have sufficiently close seismic instrumentation.

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Language(s): eng - English
 Dates: 2016
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1002/2016GL070589
 Degree: -

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Title: Geophysical Research Letters
Source Genre: Journal, SCI, Scopus, ab 2023 oa
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Publ. Info: -
Pages: - Volume / Issue: 43 (23) Sequence Number: - Start / End Page: 12,155 - 12,164 Identifier: Other: 1944-8007
ISSN: 0094-8276
Other: Wiley
Other: American Geophysical Union (AGU)
CoNE: https://gfzpublic.gfz-potsdam.de/cone/journals/resource/journals182