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Estimation of Forest Stem Volume using ALOS-2 PALSAR-2 Satellite Images

Fransson, Johan E.S. (author)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig resurshushållning,Department of Forest Resource Management
Santoro, Maurizio (author)
Gamma Remote Sensing AG
Wallerman, Jörgen (author)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig resurshushållning,Department of Forest Resource Management
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Persson, Henrik (author)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig resurshushållning,Department of Forest Resource Management
Eriksson, Leif, 1970 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Nilsson, Mats (author)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig resurshushållning,Department of Forest Resource Management
Monteith, Albert, 1990 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Olsson, Håkan (author)
Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig resurshushållning,Department of Forest Resource Management
Soja, Maciej, 1985 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Ulander, Lars, 1962 (author)
Chalmers tekniska högskola,Chalmers University of Technology
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ISBN 9781509033324
2016
2016
English.
In: Proceedings of 36th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016; Beijing; China; 10-15 July 2016. - 9781509033324 ; 2016-November, s. Art no 7730388, Pages 5327-5330
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  • Conference paper (peer-reviewed)
Abstract Subject headings
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  • © 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.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Naturresursteknik -- Fjärranalysteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Environmental Engineering -- Remote Sensing (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Naturresursteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Environmental Engineering (hsv//eng)

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