Visible Channel

Reflectance of Different Surfaces (Page 4 of 18)

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This table shows the reflectance of various surfaces. The GOES visible channel is sensitive to those differences.

Reflectance (in percent) of various surfaces in the spectral range of solar reflection.
Surface Type Reflectance in Percent
Wet Soil 10-30
Dry Sand 35-45
Dry Soil 25-45
Grass 15-25
Forest 10-20
Snow (Clean, Dry) 75-95
Snow (Wet, Dirty) 25-75
Water Surface (Sun Angle greater than 25 degrees) less than 10
Water Surface (Low Sun Angle) 10-70

 

This image shows the GOES-8 visible channel for wet and dry soil. This image shows the GOES-8 visible channel for forest, grass, and dry sand.
This image shows the GOES-8 visible channel for clean dry snow. This image shows the GOES-8 visible channel for wet dirty snow.
This image shows the GEOS-8 visible channel for water surfaces with a sun angle greater than 25 degrees. This image shows the GOES-8 visible channel for water surfaces with a low sun angle (less than 25 degrees).

 

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