30

30

Fig. 3a

Fig. 3b

25

25

20

20

15

15

10

10

Eps = 8.07, IEM

Eps = 8.07, IEM + FDTD

Eps = 14.2, IEM

Eps = 14.2, IEM + FDTD

5

5

0

0

1.5

2

2.5

3

3.5

4

1.5

2

2.5

3

3.5

4

Paleosoil Rms-Height σP (cm)

Paleosoil Rms-Height σP (cm)