Reflectivity of common exterior surfaces
Based on Hunn and Calafell and Threlkeld
Category | Surface | Reflectivity |
Natural surfaces (no vegetation) |
Snow (fresh) |
0.75 |
Soils (clay, loam, etc.) |
0.14 |
|
Water (relatively large incidence angles) |
0.70 |
|
Artificial surfaces |
Bituminous and gravel roof |
0.13 |
Blacktop, old |
0.10 |
|
Building surfaces, dark (red brick, dark paints, etc.) |
0.27 |
|
Building surfaces, light (light brick, light paints, etc.) |
0.60 |
|
Concrete, new |
0.35 |
|
Concrete, old |
0.25 |
|
Crushed rock surface |
0.20 |
|
Earth roads |
0.04 |
|
Vegetation |
Coniferous forest (winter) |
0.07 |
Leaves, dead |
0.30 |
|
Forests in autumn, ripe field crops, plants |
0.26 |
|
Grass, dry |
0.20 |
|
Grass, green |
0.26 |