International Journal of Geophysics / 2011 / Article / Fig 5

Research Article

A Spatiotemporal Analysis of Climatic Drivers for Observed Changes in Sahelian Vegetation Productivity (1982–2007)

Figure 5

(a) Observed seasonal NDVI curves, Sahel 1982–2007 (black line: first 7 years, dashed black line: last 7 years). (b) NDVI amplitude 1 index series, Sahel 1982–2007. (c) NDVI phase 1 index series, Sahel 1982–2007. (d) Observed seasonal rainfall curves. (e) Rainfall amplitude 1 index series. (f) Rainfall phase 1 index series. (g) Observed seasonal air temperature curves. (h) Air temperature amplitude 1 index series. (i) Air temperature phase 1 index series. (j) Observed seasonal surface downward solar radiation flux. (k) Surface downward solar radiation flux amplitude 1 index series. (l) Surface downward solar radiation flux phase 1 index series.
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