Bidirectional Reflectance Spectroscopy 2. Experiments and Observations Export

@article{hapkeJGR1981b, abstract = {Certain aspects of the theoretical bidirectional reflectance expression derived by Hapke [this issue] were studied experimentally. The theoretical expression satisfactorily describes the measured angular scattering and spectral properties of a cobalt glass powder whose absorptance and reflectance vary greatly with wavelength. The theoretical expression for the spectral single-scattering efficiency for irregular particles derived in paper I is shown to describe the measured efficiency of the cobalt glass particles. The predicted approximately linear dependence of the bidirectional espat-function W on the effective particle absorption optical thickness αD e is shown experimentally to be valid for αD e at least as high as 3. The theoretical reflectance function also describes measured distributions of intensity across the surfaces of planets, except near the sunlit limb, where the macroscopic roughness influences the brightness.}, author = {Hapke, Bruce and Wells, Eddie}, citeulike-article-id = {2308277}, citeulike-linkout-0 = {http://www.agu.org/pubs/crossref/1981/JB086iB04p03055.shtml}, journal = {Journal of Geophysical Research}, keywords = {brdf}, number = {B4}, pages = {3055--3060}, posted-at = {2008-01-30 19:14:55}, priority = {5}, title = {Bidirectional Reflectance Spectroscopy 2. Experiments and Observations}, url = {http://www.agu.org/pubs/crossref/1981/JB086iB04p03055.shtml}, volume = {86}, year = {1981} }

TY - JOUR ID - hapkeJGR1981b L3 - citeulike-article-id:2308277 N2 - Certain aspects of the theoretical bidirectional reflectance expression derived by Hapke [this issue] were studied experimentally. The theoretical expression satisfactorily describes the measured angular scattering and spectral properties of a cobalt glass powder whose absorptance and reflectance vary greatly with wavelength. The theoretical expression for the spectral single-scattering efficiency for irregular particles derived in paper I is shown to describe the measured efficiency of the cobalt glass particles. The predicted approximately linear dependence of the bidirectional espat-function W on the effective particle absorption optical thickness αD e is shown experimentally to be valid for αD e at least as high as 3. The theoretical reflectance function also describes measured distributions of intensity across the surfaces of planets, except near the sunlit limb, where the macroscopic roughness influences the brightness. IS - B4 JF - Journal of Geophysical Research EP - 3060 TI - Bidirectional Reflectance Spectroscopy 2. Experiments and Observations VL - 86 SP - 3055 KW - brdf AU - Hapke, Bruce AU - Wells, Eddie PY - 1981/// UR - http://www.agu.org/pubs/crossref/1981/JB086iB04p03055.shtml ER -