873593.fig.003a
(a)
873593.fig.003b
(b)
873593.fig.003c
(c)
873593.fig.003d
(d)
873593.fig.003e
(e)
Figure 3: Spatial distribution of annual (a), spring (b), summer (c), autumn (d), and winter (e) climate trend coefficient of drought frequency in Shandong province.