Topographic Correction for Biomass Retrieval from P-band SAR Data in Boreal Forests

被引：12
|
作者：
Soja, Maciej J. [1 ]
Sandberg, Gustaf [1 ]
Ulander, Lars M. H. [1 ]
机构：
[1] Chalmers, Gothenburg, Sweden
来源：
2010 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM | 2010年
关键词：
IMAGES;
D O I：
10.1109/IGARSS.2010.5653944
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The influence of the ground slope on radar backscatter has been proven to be greater for lower radar frequencies due to deeper canopy penetration. In this study, multiple heading, P-band SAR data of boreal forest in Sweden was used to find a model for topographic correction for improved biomass retrieval. Eleven models were tested and the best model was selected. The selected model was then used for biomass retrieval. Even by means of the most simplified approach, forest biomass could be established with a root-mean-square error of approximately 50 t/ha for HV and 66 t/ha for HH.
引用
收藏
页码：4776 / 4779
页数：4
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