Estimation of Forest Stem Volume using ALOS-2 PALSAR-2 Satellite Images
Paper in proceedings, 2016

© 2016 IEEE. A first evaluation of ALOS-2 PALSAR-2 data for forest stem volume estimation has been performed at a coniferous dominated test site in southern Sweden. Both the Fine Beam Dual (FBD) polarization and the Quad-polarimetric mode were investigated. Forest plots with stem volume reaching up to a maximum of about 620 m 3 ha -1 (corresponding to 370 tons ha -1 ) were analyzed by relating backscatter intensity to field data using an exponential model derived from the Water Cloud Model. The estimation accuracy of stem volume at plot level (0.5 ha) was calculated in terms of Root Mean Square Error (RMSE). For the best case investigated an RMSE of 39.8% was obtained using one of the FBD HV-polarized images. The corresponding RMSE for the FBD HH-polarized images was 43.9%. In the Quad-polarimetric mode the lowest RMSE at HV- and HH-polarization was found to be 43.1% and 66.1%, respectively.

Author

Johan Fransson

Swedish University of Agricultural Sciences (SLU)

Maurizio Santoro

Gamma Remote Sensing AG

J. Wallerman

Swedish University of Agricultural Sciences (SLU)

Henrik Persson

Swedish University of Agricultural Sciences (SLU)

Leif Eriksson

Chalmers, Earth and Space Sciences, Radar Remote Sensing

Mats Nilsson

Swedish University of Agricultural Sciences (SLU)

Albert Monteith

Chalmers, Earth and Space Sciences, Radar Remote Sensing

Håkan Olsson

Swedish University of Agricultural Sciences (SLU)

Maciej Soja

Chalmers, Earth and Space Sciences, Radar Remote Sensing

Lars Ulander

Chalmers, Earth and Space Sciences, Radar Remote Sensing

Proceedings of 36th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016; Beijing; China; 10-15 July 2016

Vol. 2016-November Art no 7730388, Pages 5327-5330 7730388

Subject Categories

Remote Sensing

Environmental Engineering

DOI

10.1109/IGARSS.2016.7730388

ISBN

9781509033324

More information

Latest update

9/6/2018 1