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Beschreibung

Satellite maps of vegetation show the density of plant growth over the entire globe. The most common measurement is called the Normalized Difference Vegetation Index (NDVI). Very low values of NDVI (0.1 and below) correspond to barren areas of rock, sand, or snow. Moderate values represent shrub and grassland (0.2 to 0.3), while high values indicate temperate and tropical rainforests (0.6 to 0.8).

Quelle

http://earthobservatory.nasa.gov/Library/MeasuringVegetation/Images/global_ndvi_19990921.jpg

Urheber

NASA

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aktuell21:21, 1. Jul. 2007Vorschaubild der Version vom 21:21, 1. Jul. 2007350 × 212 (21 KB)DerJenson (Diskussion | Beiträge){{Information |Beschreibung=Satellite maps of vegetation show the density of plant growth over the entire globe. The most common measurement is called the Normalized Difference Vegetation Index (NDVI). Very low values of NDVI (0.1 and below) correspond to
21:07, 1. Jul. 2007Vorschaubild der Version vom 21:07, 1. Jul. 2007350 × 212 (21 KB)DerJenson (Diskussion | Beiträge){{Information |Beschreibung=Satellite maps of vegetation show the density of plant growth over the entire globe. The most common measurement is called the Normalized Difference Vegetation Index (NDVI). Very low values of NDVI (0.1 and below) correspond to

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