Assessment of Disaster Loss Index and Characteristics of Gale Disaster in Typical Arid and Semiarid Lands

Figure 5

Spatial-temporal distribution of level I to IV gale disasters (a, d, g, j) spatial distribution of the annual average number of occurrences of level I–IV gale disasters, respectively; (b, e, h, k) interannual variation of occurrence times of level I to IV gale disasters, respectively; (c, f, i, l) interannual changes in the annual disaster loss index of level I to IV gale disasters, respectively.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)