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Re-Processing of ERS-1/-2 SAR data for derivation of glaciological parameters on the Antarctic Peninsula

Friedl, Peter and Höppner, Kathrin and Lorenz, Rainer and Braun, Matthias and Diedrich, Erhard (2015) Re-Processing of ERS-1/-2 SAR data for derivation of glaciological parameters on the Antarctic Peninsula. EGU 2015, 12. - 17. April 2015, Wien.

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Abstract

Climate Change, it‘s polar amplification and impacts are subject of current research in various thematic and methodological fields. In this context different spaceborne remote sensing techniques play an important role for data acquisition and measurement of different geophysical variables. A recently founded Junior Researchers Group at the German Aerospace Center (DLR) is studying chang- ing processes in cryosphere and atmosphere above the Antarctic Peninsula. It is the aim of the group to make use of long-term remote sensing data sets of the land and ice surface and the atmosphere in order to characterize changes in this sensitive region. One aspect focuses on the application of synthetic aperture radar (SAR) data for glaciological investigations on the Antarctic Peninsula. The data had been acquired by the European Remote Sensing (ERS-1 and ERS-2) satellites and received at DLR’s Antarctic station GARS O’Higgins. Even though recent glaciological investigations often make use of modern polar-orbiting single-pass SAR-systems like e.g. TanDEM-X, only ERS-1 (1991 – 2000) and its follow-up mission ERS-2 (1995 – 2011) provided a 20 years’ time series of continuous measurements, which offers great potential for long-term studies. Interferometric synthetic radar (InSAR) and differential interferometric synthetic radar (DInSAR) methods as well as the intensity tracking technique are applied to create value-added glaciological SAR-products, such as glacier velocity maps, coherence maps, interferograms and differential interferograms with the aim to make them accessible to interested scientific end-users. These products are suitable for glaciological applications, e.g. determinations of glacier extend, and grounding line position, glacier and ice-stream velocities and glacier mass balance calculations with the flux-gate approach. We represent results of case studies from three test sites located at different latitudes and presenting differ- ent climatic and glaciological conditions in order to do first parameter adjustments for the processing. The subsequent aim of the entire project is to re-process the entire 20 years ERS SAR archive for the Antarctic Peninsula.

Item URL in elib:https://elib.dlr.de/99541/
Document Type:Conference or Workshop Item (Poster)
Title:Re-Processing of ERS-1/-2 SAR data for derivation of glaciological parameters on the Antarctic Peninsula
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Friedl, Peterpeter.friedl (at) dlr.deUNSPECIFIED
Höppner, Kathrinkathrin.hoeppner (at) dlr.deUNSPECIFIED
Lorenz, Rainerrainer.lorenz (at) dlr.deUNSPECIFIED
Braun, MatthiasFriedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, GermanyUNSPECIFIED
Diedrich, ErhardErhard.Diedrich (at) dlr.deUNSPECIFIED
Date:2015
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:ERS SAR Antarktische Halbinsel
Event Title:EGU 2015
Event Location:Wien
Event Type:international Conference
Event Dates:12. - 17. April 2015
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 Datenakquisition und Produktgenerierung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > International Ground Segment
Deposited By: Friedl, Peter
Deposited On:03 Dec 2015 10:35
Last Modified:31 Jul 2019 19:56

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