Research Article
A Spatiotemporal Analysis of Climatic Drivers for Observed Changes in Sahelian Vegetation Productivity (1982–2007)
Figure 8
Annual correlations 1982–2007. (a) Annual NDVI/CMAP rainfall correlation. (b) Monthly GIMMS NDVI/CMAP rainfall correlation (June–October) no time lag. (c) Monthly GIMMS NDVI/CMAP rainfall correlation (June–October) one-month NDVI time lag. (d) Monthly GIMMS NDVI/CMAP rainfall correlation (June–October) two-month NDVI time lag. (e) Annual NDVI/air temperature correlation. (f) Annual NDVI/surface downward solar radiation flux correlation.