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Differential SAR Interferometry and Co-polar Phase Differences for Snow Water Equivalent Estimation

Belinska, Kristina and Fischer, Georg and Hajnsek, Irena (2022) Differential SAR Interferometry and Co-polar Phase Differences for Snow Water Equivalent Estimation. In: Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR, pp. 366-369. European Conference on Synthetic Aperture Radar (EUSAR), 2022-07-25 - 2022-07-27, Leipzig, Germany. ISBN 978-3-8007-5823-4. ISSN 2197-4403.

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Abstract

Snow Water Equivalent (SWE) is important for hydrological models. It has been shown that the interferometric phase between two repeat-pass SAR measurements can be related to SWE change, but this method is limited due to phase wrapping. It is possible to relate the Co-polar Phase Difference (CPD) between two channels to the fresh snow depth. This study presents a first approach to include the information from the CPD in the DInSAR SWE retrieval to overcome the phase wrapping problem. Preliminary results show that the link between CPD and depth change can be used to estimate wraps of the interferometric phase.

Item URL in elib:https://elib.dlr.de/186398/
Document Type:Conference or Workshop Item (Speech)
Title:Differential SAR Interferometry and Co-polar Phase Differences for Snow Water Equivalent Estimation
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Belinska, KristinaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fischer, GeorgUNSPECIFIEDhttps://orcid.org/0000-0002-7987-5453UNSPECIFIED
Hajnsek, IrenaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:2022
Journal or Publication Title:Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Page Range:pp. 366-369
ISSN:2197-4403
ISBN:978-3-8007-5823-4
Status:Published
Keywords:Synthetic Aperture Radar, Snow Water Equivalent, Interferometry, Polarimetry
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Leipzig, Germany
Event Type:international Conference
Event Dates:2022-07-25 - 2022-07-27
Organizer:VDE
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 - Polarimetric SAR Interferometry HR
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Belinska, Kristina
Deposited On:07 Nov 2022 06:21
Last Modified:13 Jan 2023 14:50

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