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Airborne Experiment on InSAR Snow Mass Retrieval in Alpine Environment

Nagler, Thomas and Rott, Helmut and Scheiblauer, Stefan and Libert, Ludivine and Mölg, Nico and Horn, Ralf and Fischer, Jens and Moreira, Alberto and Kubanek, Julia (2022) Airborne Experiment on InSAR Snow Mass Retrieval in Alpine Environment. In: International Geoscience and Remote Sensing Symposium (IGARSS). IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2022-07-17 - 2022-07-22, Kuala Lumpur, Malaysia.

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Abstract

In March 2021 a field campaign was conducted in the Austrian Alps exploring the application potential and performance of snow mass (snow water equivalent, SWE) retrievals by means of repeat-pass radar interferometry (RP-InSAR). Multiple repeat acquisitions were gained with an airborne polarimetric C-band and L-band SAR, spanning days without snowfall, as well as two snowfall events of different intensity. SWE maps, compiled by inverting the change of the RP-InSAR phase delay in the snowpack, show good agreement with field measurements. Whereas L-band data are well applicable for both snowfall events, temporal decorrelation prevents the application of C-band data for the snowfall event of high intensity. The analysis of the campaign data proceeds, addressing among other topics the application of RP-InSAR for SWE monitoring within the planned L-band SAR mission ROSE-L of the European Copernicus program and the proposed geostationary C-band SAR mission Hydroterra.

Item URL in elib:https://elib.dlr.de/186246/
Document Type:Conference or Workshop Item (Speech)
Title:Airborne Experiment on InSAR Snow Mass Retrieval in Alpine Environment
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Nagler, ThomasENVEO IT GmbH, Innsbruck, AustriaUNSPECIFIED
Rott, HelmutENVEO IT GmbH, Innsbruck, AustriaUNSPECIFIED
Scheiblauer, StefanENVEO IT GmbH, Innsbruck, AustriaUNSPECIFIED
Libert, LudivineENVEO IT GmbH, Innsbruck, AustriaUNSPECIFIED
Mölg, NicoENVEO IT GmbH, Innsbruck, AustriaUNSPECIFIED
Horn, RalfUNSPECIFIEDhttps://orcid.org/0000-0002-0799-5544
Fischer, JensUNSPECIFIEDhttps://orcid.org/0000-0002-8987-0859
Moreira, AlbertoUNSPECIFIEDhttps://orcid.org/0000-0002-3436-9653
Kubanek, JuliaEuropean Space Research and Technology Centre (ESTEC), ESA, Noordwijk, NetherlandsUNSPECIFIED
Date:July 2022
Journal or Publication Title:International Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Status:Published
Keywords:SAR, interferometry, snow water equivalent, field experiment
Event Title:IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Kuala Lumpur, Malaysia
Event Type:international Conference
Event Dates:2022-07-17 - 2022-07-22
Organizer:IEEE GRSS
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Aircraft SAR
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Controlling HR
Microwaves and Radar Institute > SAR Technology
Deposited By: Fischer, Jens
Deposited On:02 May 2022 14:44
Last Modified:09 Dec 2022 19:55

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