Tilottama Ghosh

1. Introduction Long-term satellite monitoring of human activities has become an increasingly valuable way to record human activities and estimate variables that are difficult to measure in situ, such as population, economic activity, power, and fuel consumption.

by Tilottama Ghosh, Christopher Elvidge The image is a red, green blue color composite with: Red = JPSS NPP VIIRS DNB January 2022 monthly cloud-free composite Green = JPSS NPP VIIRS DNB visible band Blue = JPSS NPP VIIRS M15 thermal band – inverted so cold clouds and terrain are bright blue The areas of power outage are shown in red, normal power supply in yellow, and the clouds and high elevation (cold) terrain are shown in blue. Light obscured by clouds are magenta.