Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
The Niger River in Africa forms an inland delta, providing a variety of habitat for birds and other migratory species, not to mention a fertile resource for the local people. In this image, three of the VIIRS channels -- SVI3, SVI2, SVI1 -- were combined to create this false color image. This channel combination is useful for determining land surface type, along with areas of wildfires and flooding.
