Converts reflectivity (eta) to reflectivity factor (dBZ).
eta_to_dbz(eta, wavelength, K = 0.93)
Numeric. Reflectivity, in cm^2/km^3.
Numeric. Radar wavelength, in cm.
Numeric. Norm of the complex refractive index of water.
Reflectivity factor, in dBZ.
# Calculate dBZ for a 10000 cm^2/km^3 eta reflectivity at C-band
eta_to_dbz(10000, 5)
#> [1] 13.73165
# Calculate dBZ for a 10000 cm^2/km^3 eta reflectivity at S-band
eta_to_dbz(10000, 10)
#> [1] 25.77285
# Calculate dBZ for an animal density of 1000 individuals/km^3 and a radar
# cross section of 11 cm^2 per individual
eta_to_dbz(1000 * 11, 5) # C-band
#> [1] 14.14557
eta_to_dbz(1000 * 11, 10) # S-band
#> [1] 26.18677