715321.fig.004a
(a)
715321.fig.004b
(b)
715321.fig.004c
(c)
715321.fig.004d
(d)
Figure 4: Linear trend analysis Sahel 1982–2007 of (a) GIMMS NDVI anomalies, (b) CMAP rainfall anomalies, (c) NCEP GHCN/CAMS gridded air temperature, and (d) NCEP-DOE gridded surface downward solar radiation flux anomalies. Anomalies are with respect to the 1982–2007 average.