Surface Bidirectional Reflectance Distribution Function observed at global scale by POLDER/ADEOS

被引：75

作者：

Hautecoeur, O ^{[1
]}

Leroy, MM ^{[1
]}

机构：

[1] CESBIO, UMR CNES, CNRS, UPS, F-31401 Toulouse 4, France

来源：

GEOPHYSICAL RESEARCH LETTERS | 1998年 / 25卷 / 22期

关键词：

D O I：

10.1029/1998GL900111

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The spaceborne POLDER instrument presents the unique capability of sampling the surface Bidirectional Reflectance Distribution Function (BRDF) up to about 60 degrees viewing angle for the full aximuth range of every point on Earth at 6 km resolution, when atmospheric conditions are favorable. This paper presents examples of BRDF signatures acquired at this resolution on several terrestrial biomes (desert, steppe, grassland, boreal forest, savanna, wetland). Well identified directional signatures for all azimuths are obtained and shown to be different for each biome. Specific directional effects in the hot spot and specular directions are well observed in the data.

引用

页码：4197 / 4200

页数：4

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