Bi-directional reflectance of corals

被引:30
|
作者
Joyce, KE [1 ]
Phinn, SR [1 ]
机构
[1] Univ Queensland, Dept Geog Sci & Planning, Biophys Remote Sensing Grp, St Lucia, Qld 4072, Australia
关键词
D O I
10.1080/01431160110079420
中图分类号
TP7 [遥感技术];
学科分类号
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要
An assessment of the bi-directional reflectance distribution function (BRDF) of corals with different morphologies was undertaken using hyperspectral reflectance measurements. The highest variance in reflectance obtained at different viewing angles was found for the open branching Acropora colony, possibly attributed to branch orientation and internal shadow distribution. Spectral separation within and between features at the nominated sensor-viewing angles was greatest in the near infrared portion of the spectrum. The analysis of coral reef bi-directional reflectance properties and degree of internal shadowing holds potential for future assessment and information extraction relating to coral structural characteristics.
引用
收藏
页码:389 / 394
页数:6
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