873593.fig.004a
(a)
873593.fig.004b
(b)
873593.fig.004c
(c)
873593.fig.004d
(d)
873593.fig.004e
(e)
873593.fig.004f
(f)
873593.fig.004g
(g)
873593.fig.004h
(h)
873593.fig.004i
(i)
873593.fig.004j
(j)
873593.fig.004k
(k)
873593.fig.004l
(l)
873593.fig.004m
(m)
873593.fig.004n
(n)
873593.fig.004o
(o)
Figure 4: Spatial patterns of annual ((a)~(c)), spring ((d)~(f)), summer ((g)~(i)), autumn ((j)~(l)), and winter ((m)~(o)) different drought grades in Shandong province.