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Production of a Global Forest/Non-Forest Map Utilizing TanDEM-X Interferometric SAR Data

Wecklich, Christopher and Martone, Michele and Rizzoli, Paola and Bueso Bello, Jose Luis and Gonzalez, Carolina and Krieger, Gerhard (2017) Production of a Global Forest/Non-Forest Map Utilizing TanDEM-X Interferometric SAR Data. In: International Geoscience and Remote Sensing Symposium (IGARSS). IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2017-06-23 - 2017-06-28, Forth Worth, USA.

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Abstract

In this paper we describe the method that has been implemented to derive the forest/non-forest maps from TanDEM-X interferometric synthetic aperture radar (InSAR) data, globally acquired in stripmap single polarization (HH) mode. Among the several observables systematically provided by the TanDEM-X system, the volume decorrelation contribution, derived from the interferometric coherence, shows to be consistently sensitive to the particular land cover type, and is therefore used as an input data set for applying a classification method based on a fuzzy clustering algorithm. Since the considered InSAR quantity strongly depends on the geometric acquisition configuration, namely the incidence angle and the interferometric baseline, a multi-clustering classification approach is used. Once the Forest/NonForest classification for individual acquisitions is generated, overlapping acquisitions are mosaicked together to improve the resulting accuracy. The final step in the Forest/NonForest map production is to apply a binary Forest/Non-Forest decision and the decision threshold is found through comparison with similar data and statistical analysis. Verification and validation of the final product will be accomplished through comparison to other forest maps. In summary, this paper covers the processing and production status of the global TanDEM-X Forest/Non-Forest map which will be made available to the scientific community in 2017.

Item URL in elib:https://elib.dlr.de/112378/
Document Type:Conference or Workshop Item (Speech)
Title:Production of a Global Forest/Non-Forest Map Utilizing TanDEM-X Interferometric SAR Data
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wecklich, ChristopherUNSPECIFIEDhttps://orcid.org/0000-0001-5994-3298
Martone, MicheleUNSPECIFIEDhttps://orcid.org/0000-0002-4601-6599
Rizzoli, PaolaUNSPECIFIEDhttps://orcid.org/0000-0001-9118-2732
Bueso Bello, Jose LuisUNSPECIFIEDhttps://orcid.org/0000-0003-3464-2186
Gonzalez, CarolinaUNSPECIFIEDhttps://orcid.org/0000-0002-9340-1887
Krieger, GerhardUNSPECIFIEDhttps://orcid.org/0000-0002-4548-0285
Date:2017
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:Synthetic aperture radar (SAR), SAR interferometry (InSAR), TanDEM-X mission, volume decorrelation, forest classification.
Event Title:IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Forth Worth, USA
Event Type:international Conference
Event Dates:2017-06-23 - 2017-06-28
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 - Projekt TanDEM-X
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Wecklich, Christopher
Deposited On:16 May 2017 14:11
Last Modified:09 Apr 2018 09:42

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