CALVING DYNAMICS DERIVED FROM SATELLITE SAR DATA IN SUPPORT OF MASS BALANCE ESTIMATIONS IN LANGE GLACIER, ANTARCTICA

We present calving flux, calving rate, frontal retreat and volume change rate results in Lange Glacier from 2015 to 2017, including also velocity calculations in 2015, 2017 and 2018. The peak velocities at glacier front were between 1.0 and 1.5 [md -1 ] near the center line with a maximum frontal re...

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Bibliographic Details
Published in:ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Main Authors: E. Johnson, D. Floricioiu, E. Schwalbe, R. Koschitzki, H.-G. Maas, C. Cardenas, G. Casassa
Format: Article in Journal/Newspaper
Language:English
Published: Copernicus Publications 2020
Subjects:
Technology
T
Engineering (General). Civil engineering (General)
TA1-2040
Applied optics. Photonics
TA1501-1820
Lange Glacier
Antarc*
Antarctica
Online Access:https://doi.org/10.5194/isprs-annals-IV-3-W2-2020-125-2020
https://doaj.org/article/7e06fce0343c4294b5eeb057a25e45e7
Description
Summary:We present calving flux, calving rate, frontal retreat and volume change rate results in Lange Glacier from 2015 to 2017, including also velocity calculations in 2015, 2017 and 2018. The peak velocities at glacier front were between 1.0 and 1.5 [md -1 ] near the center line with a maximum frontal retreat of 100 [m]. The glacier presents almost no volume change rate during the period analyzed and the average ice discharge is 0.026 [km 3 yr -1 ].

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