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Dual Pol-InSAR Forest Height Estimation By Means Of TANDEM-X Data

Kugler, Florian and Hajnsek, Irena and Papathanassiou, Konstantinos (2012) Dual Pol-InSAR Forest Height Estimation By Means Of TANDEM-X Data. In: Proceedings of IEEE international Geoscience and Remote Sensing Symposium (IGARSS), pp. 1-4. IEEE. IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2012-07-22 - 2012-07-27, München, Deutschland.

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Abstract

The TanDEM-X mission [1] provides for the first time single pass (single- and dual-) polarimetric interferometric data from space. This allows the acquisition and analysis of Pol-InSAR data without the disturbing effect of temporal decorrelation on a global scale. Polarimetric interferometric X-band data are now available for different forest ecosystems (from boreal to tropics) in different seasons. The penetration capability of X-band in vegetation is limited and depends strongly on the corresponding forest conditions. However, first data analysis showed sufficient penetration to apply Pol-InSAR height estimation at least for a boreal forest scenario [2]. The limitations of X-band for forest parameter estimation can be identified by analyzing data sets from different forest types. Additionally seasonal effects like leaf fall or freezing conditions may change the backscattering behavior or penetration capability of X-band for forests. It was already shown that the ability to penetration depends on the seasonal stage of a forest. Figure 1 on the left shows the penetration depth of X-band by means of boreal forest (Krycklan forest northern Sweden) for a summer (Figure 1 left side) and a winter (Figure 1 middle) acquisition. Penetration depth of the winter acquisition is with a mean of 11.8m significantly larger than for the summer acquisition with a mean of 9.45m. This is probably due the lower dielectricity of the tree compartments in frozen conditions.

Document Type:Conference or Workshop Item (Speech)
Additional Information:©2012 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Title:Dual Pol-InSAR Forest Height Estimation By Means Of TANDEM-X Data
Authors:
AuthorsInstitution or Email of Authors
Kugler, FlorianUNSPECIFIED
Hajnsek, IrenaUNSPECIFIED
Papathanassiou, KonstantinosUNSPECIFIED
Date:24 July 2012
Journal or Publication Title:Proceedings of IEEE international Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:Yes
Page Range:pp. 1-4
Publisher:IEEE
Status:Published
Keywords:TanDEM-X, X-band, forest height, Pol-InSAR, forest,
Event Title:IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:München, Deutschland
Event Type:international Conference
Event Dates:2012-07-22 - 2012-07-27
Organizer:IEEE
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):W - Vorhaben Prosmart, Smart-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute
Deposited By: Florian Kugler
Deposited On:06 Jun 2012 16:49
Last Modified:21 Mar 2014 15:07

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