Why remote sensing? Sure there’s something odd about satellites looking down on us everyday, a bit unsettling from a socio-political perspective. But from an ecological perspective, its a game changer, in a very good way.
Since the 1970s, NASA has been recording the earths surface at a resolution of about 1km. Thats large enough to see landscape change, but too blurry to see humans moving around.
And what can we see with these images? How about glaciers melting in the Northern Hemisphere, and glaciers expanding in the Southern Hemisphere. Or the landscape change in the region you grew up in as a kid. Continue reading “Open Source GIS software and Remote Sensing for Ecologists”