Title :
Evaluation of BRDF archetypes from MODIS multi-angular observations
Author :
Hu Zhang ; Ziti Jiao ; Yadong Dong ; Xiaowen Li
Author_Institution :
State Key Lab. of Remote Sensing Sci., Beijing Normal Univ., Beijing, China
Abstract :
Bidirectional Reflectance distribution Function (BRDF) archetype database[1] briefly summarize reflectance anisotropy into six BRDF archetypes. To evaluate the representation of BRDF archetypes from reflectance anisotropy, the shapes of BRDF archetypes are compared with according MODIS product; then the albedos and the Root Mean Square Errors (RMSE) retrieved from BRDF archetypes are compared with MODIS retrievals, Comparisons show that the shapes of BRDF archetypes agree well with the according MODIS BRDF, and the albedos and RMSEs of BRDF archetype retrieval are close to MODIS product. These archetypes can represent the characteristics of reflectance anisotropy in the retrieval of albedo.
Keywords :
albedo; atmospheric optics; atmospheric radiation; mean square error methods; BRDF archetypes; MODIS BRDF; MODIS multiangular observations; MODIS product; MODIS retrievals; RMSE; albedo retrieval; archetype database; bidirectional reflectance distribution function; reflectance anisotropy; reflectance anisotropy characteristics; root mean square errors; solar radiation; surface albedo; Anisotropic magnetoresistance; Kernel; Land surface; MODIS; Reflectivity; Scattering; Shape; Albedo; BRDF archetype; MODIS;
Conference_Titel :
Geoscience and Remote Sensing Symposium (IGARSS), 2014 IEEE International
Conference_Location :
Quebec City, QC
DOI :
10.1109/IGARSS.2014.6947552