Importance of dihedral reflection in radar remote sensing of forests

The radar backscattering from extraordinary poplar stands, where all the trunks are leaning in the same direction, has been modelled. Data acquired with the JPL/AIRSAR during the MAESTRO-I campaign have been used. At the C and L bands the back scattering is not influenced by the leaning of the trunk...

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Bibliographic Details
Published in:International journal of remote sensing 1994-05, Vol.15 (8), p.1585-1593
Main Authors: ISRAELSSON, H., ASKNE, J.
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Animal, plant and microbial ecology
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
General aspects. Techniques
Teledetection and vegetation maps
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Summary:The radar backscattering from extraordinary poplar stands, where all the trunks are leaning in the same direction, has been modelled. Data acquired with the JPL/AIRSAR during the MAESTRO-I campaign have been used. At the C and L bands the back scattering is not influenced by the leaning of the trunks. At the P band the backscattering decreases at HH polarization particularly. This can be predicted theoretically and is explained by distortion of the trunk-ground dihedral reflection. A similar effect is obtained when topography affects the backscattering.
ISSN:0143-1161
1366-5901
DOI:10.1080/01431169408954193