Extended Data Fig. 5: Distribution of NDVI and EVI anomaly response types.
From: Shifts in vegetation activity of terrestrial ecosystems attributable to climate trends
The frequency of cup (initial decrease, subsequent increase), hat (initial increase, subsequent decrease), and linear time trends in the anomalies in NDVI and EVI. The number of anomaly trends that showed an overall increase or decrease over the time series are indicated by different colours. Overall increases or decreases less than 2 % in EVI were classified as small. The response types were classified from bent-cable and polynomial regression models fitted to the anomaly data from each site. Panels show results using polynomical regression on the NDVI data (a), bent-cable regression on the EVI data (b) and polynomial regression on the EVI data. Figure 2 shows results for the bent-cable regression on the NDVI data.
