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International Journal of Remote Sensing Volume 15, 1994 - Issue 14
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Original Articles

Radar-based forest biomass estimation

Y. RAUSTE Technical Research Centre of Finland, Space Technology, Metallimiehenkuja 10, FIN-02150, Espoo, Finland
,
T. HAME Technical Research Centre of Finland, Space Technology, Metallimiehenkuja 10, FIN-02150, Espoo, Finland
,
J. PULLIAINEN Helsinki University of Technology, Laboratory of Space Technology, Otakaari 5 A, SF-02150, Espoo, Finland
,
K. HEISKA Helsinki University of Technology, Laboratory of Space Technology, Otakaari 5 A, SF-02150, Espoo, Finland
&
M. HALLIKAINEN Helsinki University of Technology, Laboratory of Space Technology, Otakaari 5 A, SF-02150, Espoo, Finland
Pages 2797-2808 | Published online: 27 Apr 2007
 
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Abstract

The potential of radar-based tree biomass estimation has been studied using polarimetric SAR data from the Freiburg test site of the MAESTRO I Campaign and scatterometer data from a test site in Finland. Using the Freiburg SAR data and polarizaiton synthesis, the most suitable polarization combination was obtained. In P band, the maximum correIalions, which were found ncar the linear H V polarization, were up to 0·75.

In the Finnish test site, a strong negative correlation “correlation coefficient -0·65” existed between the pine biomass and X-VV backscatter. When the combination of X and C bands “measured by the HUTSCAT seatterometer” was used, a correlation coefficient of 0·81 was obtained.

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