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Forest Height Estimation by Means of Pol-InSAR Data Inversion: The Role of the Vertical Wavenumber

Kugler, Florian and Lee, Seung-Kuk and Hajnsek, Irena and Papathanassiou, Konstantinos (2015) Forest Height Estimation by Means of Pol-InSAR Data Inversion: The Role of the Vertical Wavenumber. IEEE Geoscience and Remote Sensing Magazine (GRSM), 53 (10), 5294 -5311. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/TGRS.2015.2420996. ISBN 0196-2892. ISSN 2168-6831.

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Official URL: http://ieeexplore.ieee.org/xpl/

Abstract

This paper examines the multifaceted effect of the effective spatial baseline, as expressed through the vertical (interferometric) wavenumber, on the inversion of forest height from polarimetric interferometric synthetic aperture radar (Pol-InSAR) data. First, the role of the vertical wavenumber in relating forest height to the interferometric (volume) coherence is introduced. Through the review of the forest height inversion from Pol-InSAR data, the effect of the vertical wavenumber on the inversion performance is evaluated. The selection of optimum with respect to forest height inversion performance, vertical wavenumbers is discussed. The impact of the acquisition geometry and terrain slopes on the vertical wavenumber and their consideration in the inversion methodology is addressed. The individual effects discussed are demonstrated by means of airborne repeat pass Pol-InSAR acquisitions in L- and P-band acquired over different forest conditions, including a boreal, a temperate, and a tropical forest test site. The achieved forest height inversion performance is validated against reference height data derived from airborne LIDAR acquisitions.

Item URL in elib:https://elib.dlr.de/96760/
Document Type:Article
Title:Forest Height Estimation by Means of Pol-InSAR Data Inversion: The Role of the Vertical Wavenumber
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Kugler, FlorianUNSPECIFIEDUNSPECIFIED
Lee, Seung-KukUNSPECIFIEDUNSPECIFIED
Hajnsek, IrenaUNSPECIFIEDUNSPECIFIED
Papathanassiou, KonstantinosUNSPECIFIEDUNSPECIFIED
Date:4 May 2015
Journal or Publication Title:IEEE Geoscience and Remote Sensing Magazine (GRSM)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:53
DOI :10.1109/TGRS.2015.2420996
Page Range:5294 -5311
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Series Name:Transactions on Geoscience and Remote Sensing
ISSN:2168-6831
ISBN:0196-2892
Status:Published
Keywords:Forest height, L-band, P-band, polarimetric synthetic aperture radar interferometry (Pol-InSAR), spatial baseline, terrain slope
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: Radzuweit, Sibylle
Deposited On:19 Jun 2015 12:02
Last Modified:06 Sep 2019 15:30

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