GPS for Tsunami Warnings

Posted on Posted in Navigation, Physical Geography

Wired News has an interesting article about the use of GPS as an aid in tsunami warnings. Researchers have suggested at least 2 ways in which GPS might give warning information: 1) GPS receivers can measure ground movement in real time, and they could also be used to measure tsunami-associated pressure waves in the Earth’s […]

Mapping a city’s tree canopy

Posted on Posted in General, GIS_Software

This article from the Charlotte Observer discusses Hickory, North Carolina’s plan to map its tree canopy using aerial photography and and unnamed mapping software product, as development has begun to have an impact on the city’s tree cover. Via GISCafe