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Mass changes of outlet glaciers along the Nordensjköld Coast, northern Antarctic Peninsula, based on TanDEM-X satellite measurements

Rott, Helmut and Floricioiu, Dana and Wuite, Jan and Scheiblauer, Stefan and Nagler, Thomas and Kern, Michael (2014) Mass changes of outlet glaciers along the Nordensjköld Coast, northern Antarctic Peninsula, based on TanDEM-X satellite measurements. Geophysical Research Letters, 41, pp. 1-7. Wiley. DOI: 10.1002/2014GL061613 ISSN 0094-8276

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/2014GL061613/abstract

Abstract

We analyzed volume change and mass balance of outlet glaciers of the northern Antarctic Peninsula over the period 2011 to 2013, using topographic data of high vertical accuracy and great spatial detail, acquired by bistatic radar interferometry of the TanDEM-X/TerraSAR-X satellite formation. The study area includes glaciers draining into the Larsen-A, Larsen Inlet, and Prince-Gustav-Channel embayments. After collapse of buttressing ice shelves in 1995 the glaciers became tidewater calving glaciers and accelerated, resulting in increased ice export. Downwasting of most glaciers is going on, but at reduced rates compared to previous years in accordance with deceleration of ice flow. The rate of mass depletion is 4.2 ± 0.4 Gt a−1, with the largest contribution by Drygalski Glacier amounting to 2.2 ± 0.2 Gt a−1. On the technological side, the investigations demonstrate the capability of satellite-borne single-pass radar interferometry as a new tool for accurate and detailed monitoring of glacier volume change.

Item URL in elib:https://elib.dlr.de/92563/
Document Type:Article
Title:Mass changes of outlet glaciers along the Nordensjköld Coast, northern Antarctic Peninsula, based on TanDEM-X satellite measurements
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Rott, HelmutENVEO IT GmbH, Innsbruck, AustriaUNSPECIFIED
Floricioiu, Danadana.floricioiu (at) dlr.deUNSPECIFIED
Wuite, JanENVEO IT GmbH, Innsbruck, AustriaUNSPECIFIED
Scheiblauer, StefanENVEO IT GmbH, Innsbruck, AustriaUNSPECIFIED
Nagler, ThomasENVEO IT GmbH, Innsbruck, AustriaUNSPECIFIED
Kern, MichaelESA-ESTEC, Noordwijk, NetherlandsUNSPECIFIED
Date:21 November 2014
Journal or Publication Title:Geophysical Research Letters
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:41
DOI :10.1002/2014GL061613
Page Range:pp. 1-7
Editors:
EditorsEmail
Calais, Ericgrl@geologie.ens.fr
Publisher:Wiley
ISSN:0094-8276
Status:Published
Keywords:Ice volume change, TanDEM-X, Antarctic Peninsula, Larsen-A collapse
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben hochauflösende Fernerkundungsverfahren
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Floricioiu, Dr. Dana
Deposited On:27 Nov 2014 13:25
Last Modified:08 Mar 2018 18:29

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