MONITORING FOREST MANAGEMENT ACTIVTIES USING AIRBORNE LIDAR AND ALOS PALSAR

被引：0
|
作者：
Kato, Akira [1 ]
Watanabe, Manabu [2 ]
Kobayashi, Tatsuaki [1 ]
Yamaguchi, Yoshio [3 ]
Iisaka, Joji [4 ]
机构：
[1] Chiba Univ, Grad Sch Hort, 648 Matsudo, Matsudo, Chiba 2718510, Japan
[2] Tohoku Univ, Ctr Northeast Asian Studies, Aoba Ku, Sendai, Miyagi 9808576, Japan
[3] Niigata Univ, Grad Sch Sci & Technol, Nishi Ku, Niigata 9502181, Japan
[4] Univ Victoria, Dept Geog, Victoria V8W 3R4, BC, Canada
来源：
2011 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2011年
关键词：
biomass; carbon stock; lidar; radar; forest management; RADAR BACKSCATTER; BIOMASS;
D O I：
10.1109/IGARSS.2011.6049673
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
ALOS PALSAR uses L band which is related with volume scattering. The volume scattering is the reflection comes from the surface and the inside of canopy. Forest management activities can be monitored using PALSAR L-band for Reducing Emissions from Deforestation and Forest Degradation (REDD). But it is still unknown how the biomass changed by the thinning (forest management) influences the backscattering coefficients. In this study, the change of stem volume (biomass) was computed and mapped using multi-temporal airborne lidar data in wide area. The stem volume using field measured tree parameters were interpolated and mapped by the airborne lidar data and the mapped biomass was used as the ground truth for radar image to see the polarization change caused by the thinning. The polarization axis of HV/HH backscattering coefficients is shifted in 9.8 degrees. This axis change is a useful indicator for the end member analysis using HV/HH polarization.
引用
收藏
页码：2318 / 2321
页数：4
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