Shadowing in Sensor Images: NASA study points to 'infrared-herring' in apparent Amazon green-up
Friday, February 7, 2014 - 16:00
in Astronomy & Space
A new NASA study shows that the appearance of canopy greening is not caused by a biophysical change in Amazon forests, but instead by a combination of shadowing within the canopy and the way that satellite sensors observe the Amazon during the dry season.