Long-term Satellite NDVI Data Sets: Evaluating Their Ability to Detect Ecosystem Functional Changes in South America.

Sensors (Basel) · 2008 · PMC3705511 · PMID 27873821

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a positive trendno p-value reported

The increased vegetation growth previously observed by tree-ring analysis was detected in the three NDVI data sets through a positive trend of the NDVI annual average, especially in the GIMMS series ( Table 4 ).

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