Biomass estimation of Thetford forest from L-band SAR data: potential and limitations

C. S. Rowland, H. Balzter, TP Dawson, A. Luckman, L. Skinner, G Patenaude

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper summarises the results of two pieces of work (i) a comparison of the relative ability of the AirSAR and ESAR sensors, to estimate stand volume, age and height, (ii) an analysis of the sensitivity of observed backscatter change to changes in stand height and volume between 1991 (AirSAR data) and 2000 (E-SAR data). In both cases the method employs neural network and linear multivariate models to generate relationships between backscatter and stand volume/age/height. Experiment 1 shows the estimates of tree height, age and timber volume, from the AirSAR and E-SAR sensors have similar levels of accuracy, with the use of the E-SAR coherence data appearing to compensate for the lack of P-band data. The results of experiment 2 show change in height and percentage volume are estimated with a percentage RMSE of less than 10%.

Original languageEnglish
Title of host publicationIGARSS 2003: IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM, VOLS I - VII, PROCEEDINGS
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages2577-2579
Number of pages3
ISBN (Print)0-7803-7929-2
Publication statusPublished - 2003
Event23rd International Geoscience and Remote Sensing Symposium (IGARSS 2003) - TOULOUSE, France
Duration: 21 Jul 200325 Jul 2003

Publication series

NameIEEE International Symposium on Geoscience and Remote Sensing (IGARSS)
PublisherIEEE

Conference

Conference23rd International Geoscience and Remote Sensing Symposium (IGARSS 2003)
Country/TerritoryFrance
CityTOULOUSE
Period21/07/0325/07/03

Keywords

  • RADAR

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