Estimating Snow Depth and Snow Water Equivalence Using Repeat-Pass Interferometric SAR in the Northern Piedmont Region of the Tianshan Mountains

Figure 4

(a) Geometry of radar wave in snow and (b) scattering mechanism in snowpack (surface scattering in air-snow and snow-ground interface; volume scattering at snow grains within snowpack); () surface scattering at air-snow interface; () surface scattering at the ground-snow interface; () volume scattering at snow grains within the snowpack [17].

(a)

(b)