A New Variational Assimilation Method Based on Gradient Information from Satellite Data

Figure 6

Improvement of TC track (unit: Km) (a) AIRS_GRD-CTRL; (b) AIRS_GRD-AIRS; (c) AIRS_SYB –AIRS; (d) AIRS_SYB_GRD-AIRS_GRD.

(a)

(b)

(c)

(d)