The Use of Radar Imagery in Riverine Flood Inundation Studies - Fluvial Remote Sensing for Science and Management - page 125

Specular reflection
Corner reflection

Diffuse surface scattering Bragg scattering

Diffuse volume scattering

q i

Water and land surfaces under different conditions

(a)

TerraSAR-X

θ

M

O

R

h 2

h 1

A N B Y C D

(b)

Figure 6.6 (a) Scattering mechanisms of water and land surfaces under different conditions as well as specular and diffuse
components of surface scattered radiation as a function of incidence angle and surface roughness (Martinis, 2010). (b) (AB) Layover
and (CD) shadow regions in a (AD) flooded street between adjacent buildings of height h1 and h2 (

θ = incidence angle) (Mason

et al., 2010).