City Lights at
Meteorological Satellite Program (DMSP) sensors can detect low levels of
visible-near infrared radiance (VNIR) at night. This includes lights
from cities, towns, industrial sites, and sources of ephemeral radiation
such as fires. This image
of the Lake Superior Region shows the extent of human development within
the Lake Superior Basin (red boundary) and surrounding landscape.
This image shows the city lights
for the Lake Superior Basin. Click here
for the compressed Grid file.