Topic: Lei Yin

Risk of Amazon Rainforest Dieback is Higher Than IPCC Projects

Oct. 21, 2013

[caption id="attachment_42791" align="alignright" width="300" caption="During the 2005 and 2010 droughts, satellites detected decreased vegetation greennessor a lower Normalized Vegetation Index (NDVI)over the southern Amazon rainforest (orange and red regions). NDVI is derived from MODIS instruments on NASA's Terra and Aqua satellites. Image courtesy of Ranga Myneni, Jian Bi and NASA."]
NDVI Change in Amazon During Droughts

AUSTIN, Texas    A new study suggests the southern portion of the Amazon rainforest is at a much higher risk of dieback due to stronger seasonal drying than projections made by the climate models used in the latest report by the Intergovernmental Panel on Climate Change (IPCC).

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