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Potential of the forest height derived by polarimetric SAR interferometry to estimate forest biomass

Mette, T. and Papathanassiou, Konstantinos and Hajnsek, I. (2004) Potential of the forest height derived by polarimetric SAR interferometry to estimate forest biomass. In: Proceedings EUSAR, 1, pp. 241-244. EUSAR 2004, Ulm, Mai 2004.

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Abstract

Single baseline polarimetric SAR interferometry (Pol-InSAR) is sensitive to the vertical distribution of scattering mechanisms. By using the “Random Volume over Ground” model, Pol-InSAR data over forests in L-band could be inverted to forest height maps of high accuracy. Forest height itself is a useful parameter, but for most application forest biomass is the parameter of main interest. The conversion of forest height to forest biomass has two main aspects: (1) the relationship between forest height and biomass, and (2) the connection between the height retrieved by the Pol-InSAR and the height needed for the biomass conversion. This contribution focuses on the first aspect and retrieves a height-biomass relation for four common tree species of Middle Europe from forestry yield tables. It is shown that the height biomass relation can be described by an allometric equation: Biomassforest = 1.52·mid height1.52. This relation is to a large degree independent of the regarded species, conventional thinning intensities and over a large range of site conditions. The significance of height-biomass allometry is discussed under the light of different (not table-conform) forest types and the implications for the forest height that is retrieved from polarimetric interferometric SAR.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2005,
Title:Potential of the forest height derived by polarimetric SAR interferometry to estimate forest biomass
Authors:
AuthorsInstitution or Email of Authors
Mette, T.UNSPECIFIED
Papathanassiou, KonstantinosUNSPECIFIED
Hajnsek, I.UNSPECIFIED
Date:2004
Journal or Publication Title:Proceedings EUSAR
Volume:1
Page Range:pp. 241-244
Editors:
EditorsEmail
VDE, UNSPECIFIED
Status:Published
Keywords:Pol-InSAR, Forest height, Forest Biomass
Event Title:EUSAR 2004, Ulm, Mai 2004
Organizer:VDE
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Deposited By: Dr.rer.nat. Irena Hajnsek
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 19:57

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