Convert reflectivity factor to reflectivity

dbz_to_eta(dbz, wavelength, K = 0.93)

Arguments

dbz

reflectivity factor in dBZ

wavelength

radar wavelength in cm

K

norm of the complex refractive index of water

Value

reflectivity in cm^2/km^3

Examples

# calculate eta for a 7 dBZ reflectivity factor at C-band:
dbz_to_eta(7, 5)
#> [1] 2122.439

# calculate eta for a 7 dBZ reflectivity factor at S-band:
dbz_to_eta(7, 10)
#> [1] 132.6524

# calculate animal density for a 5 dBZ reflectivity
# factor at C-band and S-band, assuming a
# 11 cm^2 radar cross section per animal:
dbz_to_eta(7, 5) / 11 # C-band
#> [1] 192.949
dbz_to_eta(7, 10) / 11 # S-band
#> [1] 12.05931