30

30

Fig. 4a

Fig. 4b

Eps = 8.07

Eps = 14.2

25

25

20

20

15

15

10

10

IEM

IEM

IEM + FDTD

IEM + FDTD

IEM + MULTIPLE SCATTERING

IEM + MULTIPLE SCATTERING

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)

11

Fig. 4c

Multiple Scattering - Single Scattering

10

Eps = 8.07

Eps = 14.2

9

8

7

6

5

1.5

2

2.5

3

3.5

4

Paleosoil Rms-Height σP (cm)