Leaf Area Index Estimation of Forest Using Sentinel-1 C-band SAR Data

被引：0
|
作者：
Stankevich, Sergey A. [1 ]
Kozlova, Anna A. [1 ]
Piestova, Iryna O. [1 ]
Lubskyi, Mykola S. [1 ]
机构：
[1] Earth Sci Ctr Aerosp Res Earth, Dept Geoinformat Technol Remote Sensing, Kiev, Ukraine
来源：
2017 5TH IEEE MICROWAVES, RADAR AND REMOTE SENSING SYMPOSIUM (MRRS) | 2017年
关键词：
leaf area index; forestry; synthetic aperture radar; C-band; dual-polarization; relative difference polarization index; LAI; RETRIEVAL;
D O I：
暂无
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：
A method for estimation of leaf area index (LAI) using Sentinel-1 synthetic aperture radar (SAR) C-band dual-polarization image was developed for temperate deciduous and mixed forests. Instead of usual backscattering ratio the regressional relationship was restored between LAI and the relative difference polarization index (RDPI) adjusted by the mutual orientation of radar viewing direction and normal line of land surface local element. The mean absolute error of the LAI estimates was 0.11 for all forest types within study site. The specific mean LAI estimation error was 0.057 for hornbeam (Carpinus betulus), 0.058 for beech (Fagus sylvatica) and 0.066 for pine (Pinus sylvaticus) dominated stands.
引用
收藏
页码：253 / 256
页数：4
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