Hyperspectral canopy reflectance modeling and EO-1 hyperion

被引:0
|
作者
Ballard, JR [1 ]
Smith, JA [1 ]
机构
[1] USA, Engineer Res & Dev Ctr, Environm Lab, Vicksburg, MS 39180 USA
关键词
forest canopy reflectance; vegetation radiation balance; hyperspectral reflectance; hyperion imaging;
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
This paper describes our hyperspectral reflectance modeling of a forest canopy based on measured input parameters and comparison with Earth Observing - 1 (EO-1) Advanced Land Imager (ALI) and Hyperion data. The model uses a high resolution, three-dimensional (3D) ray-tracing approach to estimate the intercepted and scattered solar radiation at multiple narrow wavelength bands. We present the comparisons of the effects of woody biomass, leaf litter, and clumping on reflectance signatures. The experimental data used for the model were collected in a hardwood forest canopy in Rochester, New York. Model calculations also are compared to a more simplified, low-resolution 3D model and a simple, multi-layer differential equation model.
引用
收藏
页码:515 / 520
页数:6
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