The result of this analysis is often presented in a map. So we can predict, for example, when, where, and how often floods may occur. GIS helps us to understand the past, monitor the present ...

Online 3-D mapping tools combine with GIS to deliver better location information.

“Science isn’t useful unless it’s communicated,” she says. “GIS turns statistics and numbers into pictures and maps.” With GIS, we can visualize information in ways that reveal new ...