Hyperspectral canopy reflectance modeling and EO-1 Hyperion

Jerrell R. Ballard Jr.; James Alan Smith

doi:10.1117/12.478786

2 August 2002 Hyperspectral canopy reflectance modeling and EO-1 Hyperion

Jerrell R. Ballard Jr., James Alan Smith

Proceedings Volume 4725, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery VIII; (2002) https://doi.org/10.1117/12.478786
Event: AeroSense 2002, 2002, Orlando, FL, United States

Abstract

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.

Citation Download Citation

Jerrell R. Ballard Jr. and James Alan Smith "Hyperspectral canopy reflectance modeling and EO-1 Hyperion", Proc. SPIE 4725, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery VIII, (2 August 2002); https://doi.org/10.1117/12.478786

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