Convert reflectivity factor (dBZ) to reflectivity (eta)

Converts reflectivity factor (dBZ) to reflectivity (eta).

dbz_to_eta(dbz, wavelength, K = sqrt(0.93))

Arguments

dbz

Numeric. Reflectivity factor, in dBZ.

wavelength

Numeric. Radar wavelength, in cm.

K

Numeric. Norm of the complex refractive index of water.

Value

Reflectivity, in cm^2/km^3.

See also

• eta_to_dbz()

Examples

# Calculate eta for a 7 dBZ reflectivity factor at C-band:
dbz_to_eta(7, 5)
#> [1] 2282.193

# Calculate eta for a 7 dBZ reflectivity factor at S-band:
dbz_to_eta(7, 10)
#> [1] 142.637

# Calculate animal density for a 5 dBZ reflectivity factor, assuming a
# radar cross section of 11 cm^2 per individual
dbz_to_eta(7, 5) / 11 # C-band
#> [1] 207.4721
dbz_to_eta(7, 10) / 11 # S-band
#> [1] 12.967