Urban Aerodynamic Roughness Length Mapping Using Multitemporal SAR Data

Table 3

Backscattering coefficients of various land use types extracted from ALOS PALSAR data.

Land use type	Minimum/dB	Maximum/dB	Mean/dB
Residential area	−15.04	6.99	−6.23
Central business district	−13.99	6.99	−0.53
High-rise building area	−15.26	6.99	0.07
Green land	−16.92	−3.07	−11.09
Road	−15.97	3.61	−11.16
Water	−17.41	−9.09	−12.95