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Agricultural Vegetation Parameter Estimation Using Pol-InSAR

Hajnsek, Irena and Schön, Helmut and Jagdhuber, Thomas and Papathanassiou, Kostas (2008) Agricultural Vegetation Parameter Estimation Using Pol-InSAR. In: Proceedings of the IEEE Geoscience and Remote Sensing Symposium (IGARSS), p. 176. IEEE. IEEE Geoscience and Remote Sensing Symposium (IGARSS), 2008-07-06 - 2008-07-11, Boston, USA.

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Official URL: http://www.igarss08.org/


In this paper the focus is given to the soil moisture retrieval under a vegetation cover, exemplarily for two crop types winter wheat and rape. For this Pol-SAR data over a whole vegetation period were used acquired in the frame of the AGRISAR campaign in 2006 at L-band. The potentials and limitations over time are investigated by modifications of the model based Freeman decomposition in order to decompose the scattering contributions and to invert the surface and dihedral scattering component for soil moisture estimation. The applied decomposition approaches for agricultural land surfaces are suitable, but exhibit deficiencies in modeling the volume component, even though some improvements due to the modifications could be presented. In the end the soil moisture estimation does not perform constantly well over the whole acquisition period due to the complexity of the crop vegetation.

Item URL in elib:https://elib.dlr.de/56936/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Agricultural Vegetation Parameter Estimation Using Pol-InSAR
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:July 2008
Journal or Publication Title:Proceedings of the IEEE Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:p. 176
Keywords:agriculture, soil moisture, polarimetric decomposition
Event Title:IEEE Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Boston, USA
Event Type:international Conference
Event Dates:2008-07-06 - 2008-07-11
Organizer:IEEE TGRS
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: Hajnsek, Dr.rer.nat. Irena
Deposited On:16 Dec 2008
Last Modified:27 Apr 2009 15:37

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