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Vegetation Index of Amazon Rainforest, Brazil

4.2S 66.7W

March 27th, 2013 Category: Climate Change, Vegetation Index

Brazil – March 26th, 2013

This image shows the Normalized Difference Vegetation Index (NDVI) of the Amazon Rainforest, mostly in the Brazilian state of Amazonas. Dark green areas indicate a high index, while yellow and brown areas indicate a low index. Scientists have reported that climate change is leading to substitution of rainforest with savanna-like and semiarid vegetation, a phenomenon known as the Amazon forests’ “dieback”, particularly around the edges of the forest. Monitoring the NDVI in images such as this one allows researchers to see how fast and how much rainforest is being replaced with drier vegetation.

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