Comparison of L- and P-band biomass retrievals based on backscatter from the BioSAR campaign
Konferensbidrag (offentliggjort, men ej förlagsutgivet), 2009

With the continued threat of global warming, the need to obtain consistent and accurate measurements of the carbon stored in forests is strong. L- and P-band SAR backscatter data have shown to be sensitive to forest biomass, which in turn is coupled to the stored carbon. In this paper a biomass retrieval method is developed for L- and P-band using data from the BioSAR campaign conducted in Sweden during thespring 2007 over hemi-boreal forest. The results show that the use of L-band data gives an underestimation of biomass for stands with high biomass; while for P-band no such underestimation is seen. RMSEs are found to be 30-40% of the mean biomass for L-band and about 25% for P-band for stands with biomass ranging from 10 to 290 tons/ha.

Författare

Gustaf Sandberg

Chalmers, Institutionen för radio- och rymdvetenskap, Radarfjärranalys

Lars Ulander

Chalmers, Institutionen för radio- och rymdvetenskap, Radarfjärranalys

J.E.S. Fransson

Sveriges lantbruksuniversitet (SLU)

Johan Holmgren

Sveriges lantbruksuniversitet (SLU)

T. Le Toan

Centre d'Etudes Spatiales de la BIOsphère (CES)

Proceedings of IGARSS 2009 Symposium, Earth Observation – Origins to Applications, Cape Town, South Africa, 13-17 July, 2009

Vol. IV 169-172

Ämneskategorier

Rymd- och flygteknik

Jordbruksvetenskap

Skogsvetenskap

DOI

10.1109/IGARSS.2009.5417345

ISBN

978-1-4244-3395-7

Mer information

Senast uppdaterat

2018-09-06