POLARIMETRIC CHARACTERISTICS OF L-BAND SAR IMAGES OF EARLY-STAGE DEFORESTATION AREAS

被引：0
|
作者：
Watanabe, Manabu [1 ]
Koyama, Christian [1 ]
Shimada, Masanobu [1 ]
机构：
[1] Tokyo Denki Univ, Tokyo, Japan
来源：
2017 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2017年
关键词：
Forest monitoring; polarimetric decomposition; DECOMPOSITION;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The polarimetric characteristics of early- and late-stage deforestation areas were examined using PALSAR-2. An early-stage deforestation site, where the fallen trees had been left on the ground, showed an increase in sigma(0)(surface) of 2.9 dB, and decrease in sigma(0)(volume) of 1.4 dB. This induced the 0.9 dB increase in sigma(0)(HH). A late-stage deforestation site, where the fallen tree had been removed, showed an increase in sigma(0)(surface) of 2.3 dB, and a decrease in sigma(0)(volume) of 6.4 dB. This induced the 6.1 dB decrease in sigma(0)(HV). Polarimetric analysis clarified the scattering mechanism for the early- and late-stage deforestation areas.
引用
收藏
页码：5330 / 5333
页数：4
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