Living Textbook
Dashboard
Show
Concepts
Instances
Contributors
External resources
Learning outcomes
List
1127 - Explain how the NDSI relates to snow properties
×
You've loaded this page without map support, so map tools will not work. Open this page
with map
instead.
Explain how the NDSI relates to snow properties
Concepts
[IP3-1-2-2] Normalized Difference Snow index (NDSI)
This spectral index is calculate using the following formula NDSI = (green-SWIR)/(green+SWIR). It is the most popular index used to identify snow cover due to the fact that snow reflects visible wavelength stronger than middle-infrared wavelengths.