Convert reflectivity factor to reflectivity
dbz_to_eta(dbz, wavelength, K = 0.93)
dbz | reflectivity factor in dBZ |
---|---|
wavelength | radar wavelength in cm |
K | norm of the complex refractive index of water |
reflectivity in cm^2/km^3
# 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] 192.949dbz_to_eta(7, 10) / 11 # S-band#> [1] 12.05931