Albedo

Absolute black surface

0.0

Forest

0.05-0.2

Water

0.06

Grassland and cropland

0.1-0.25

Dark colored soil surface

0.1-0.2

Dry sandy soil

0.25-0.45

Dry clay soil

0.15-0.35

Sand

0.2-0.4

Mean albedo of the Earth

0.36

Granite

0.3-0.35

Glacial Ice

0.3-0.4

Light colored soil surfaces

0.4-0.5

Dry salt cover

0.5

Tops of clouds

0.6-0.9

Fresh, deep snow

0.9

Absolute white surface

1.0