Counting Trees in Africa’s Drylands

An international team of scientists has used artificial intelligence and commercial satellites to identify an unexpectedly large number of trees spread across arid and semi-arid areas.

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NASA Earth Observatory images by Joshua Stevens, using data courtesy of Brandt, Martin, et al. (2020), and Landsat data from the U.S. Geological Survey and Global Forest Watch. Story by Emily Cassidy, NASA ESDS Science Writer, with Jessica Merzdorf and Mike Carlowicz.
© All Rights Reserved: Use of IKONOS, GeoEye, QuickBird and WorldView imagery must be coordinated with Maxar.

Published December 7, 2020
Data acquired 2005 - 2018

Sources:

DigitalGlobe

Landsat 7 > ETM+

Collection:

Applied Sciences