Forward Sensitivity Approach to Dynamic Data Assimilation

Figure 3

An illustration of the progression of first-order iterative corrections using six observations at 𝑡 = 2, 7, 12, 17, 22, and 27.

(a) Iterative correction

(b) Projection onto 𝑥(0)-𝑘 plane

(c) Projection onto 𝑘-𝑥_𝑠 plane

(d) Projection on to 𝑥(0)-𝑥_𝑠 plane