Evapotranspiration Trend and Its Relationship with Precipitation over the Loess Plateau during the Last Three Decades

Figure 7

Trends of annual (a) precipitation, (b) air humidity, (c) sunshine duration, (d) air temperature, (e) wind speed, and (f) NDVI over the Loess Plateau.

(a)

(b)

(c)

(d)

(e)

(f)