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L-band tomographic monitoring of temperate forests with TangoSAT – Potentials, challenges and synergies

Pardini, Matteo and Papathanassiou, Konstantinos (2014) L-band tomographic monitoring of temperate forests with TangoSAT – Potentials, challenges and synergies. 1st SAOCOM Companion Satellite Workshop, 2014-10-01 - 2014-10-02, Noordwijk, The Netherlands.

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Forest vertical structure is a key variable for assessing biodiversity, structural degradation and/or regeneration, and for the development of accurate biomass estimators. Moreover, the knowledge of forest structure changes is important to determine the type and the intensity of forest disturbance as well as the seasonal and annual forest cycle variation. In this framework, the next generation of low-frequency spaceborne SAR configurations will play a crucial role in forest structure monitoring as they will provide the unique ability to image large areas at high spatial and temporal resolution. More importantly, active-passive SAR constellations like the TangoSAT mission will allow to measure bistatic interferometric coherences repeatedly without the disturbing effect of temporal decorrelation on a global scale. This enhanced observation scenario motivates the exploration of the information content of multi-baseline interferometric measurements for the retrieval of physical forest structure parameters by means of tomographic techniques. With this objective in mind, in this work real data results will be presented focusing on the temperate forest of Traunstein (Germany). By processing multibaseline-multitemporal airborne data, a comparison between L-band and P-band tomographic profiles will be carried out to assess (1) their physical information content and (2) their synergies and complementarities. For this purpose, ground measurements will be extensively used. Moreover, considering L-band acquisitions, changes of the profiles induced by environmental (e.g. due to moisture change) and seasonal effects will be quantified. Finally, a first investigation of the impact of the temporal variability of such effects on the profile reconstruction will be presented.

Item URL in elib:https://elib.dlr.de/92686/
Document Type:Conference or Workshop Item (Speech)
Title:L-band tomographic monitoring of temperate forests with TangoSAT – Potentials, challenges and synergies
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:1 October 2014
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:SAR tomography, SAR polarimetric interferometry, forest structure, L-band, P-band, bistatic
Event Title:1st SAOCOM Companion Satellite Workshop
Event Location:Noordwijk, The Netherlands
Event Type:international Conference, Workshop
Event Dates:2014-10-01 - 2014-10-02
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 - Vorhaben Multi-dimensionale SAR-Auswertung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Pardini, Dr.-Ing. Matteo
Deposited On:27 Nov 2014 12:20
Last Modified:09 Jan 2015 15:10

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