First-of-its-Kind Map Depicts Global Forest Heights

Credit: NASA Earth Observatory/Image by Jesse Allen and Robert Simmon/Based on data from Michael Lefsky.
Using NASA satellite data, scientists have produced a first-of-its kind map that details the height of the world’s forests. Although there are other local- and regional-scale forest canopy maps, the new map is the first that spans the entire globe based on one uniform method.

The work -- based on data collected by NASA's ICESat, Terra, and Aqua satellites -- should help scientists build an inventory of how much carbon the world’s forests store and how fast that carbon cycles through ecosystems and back into the atmosphere. Michael Lefsky of the Colorado State University described his results in the journal Geophysical Research Letters.
Read more: http://www.nasa.gov/topics/earth/features/forest-height-map.html

Scientist creates first map of global forest heights from NASA data
July 20, 2010
Scientists have produced a first-of-its kind map of the height of the world's forests by combining data from three NASA satellites. The map will help scientists build an inventory of how much carbon the world's forests store and how fast that carbon cycles through ecosystems and back into the atmosphere.
Read more: http://www.today.colostate.edu/story.aspx?id=4151

Dalle immagini della Nasa la prima mappa mondiale delle foreste, 16:03
Un team di ricercatori della Colorado State University è riuscito ad ottenere la prima mappa globale delle foreste del nostro pianeta. Sarà fondamentale per studiare l’impatto del carbonio sul nostro ecosistema e prevedere gli effetti dei cambiamenti climatici
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