IGIS Tech Notes describe workflows and techniques for using geospatial science and technologies in research and extension. They are works in progress, and we welcome feedback and comments below.

Trying to understand how a map relates to what’s on the ground can be tricky. It requires the brain to do a lot of stuff that ...

If city lights block the stars over your backyard, this map can help you hunt down the darkest skies for epic stargazing.

Mission Viejo received the map from the California Department of Forestry and Fire Protection, or Cal Fire, on March 24 and posted it on its website so residents could review the risk designations.