varwg.meteo.meteox2y.lw_tennessee¶

varwg.meteo.meteox2y.lw_tennessee(temp, clouds)[source]¶

incident long wave radiation

Parameters:

tempfloat or numpy.array of floats: air temperature [deg C]
cloudsfloat or numpy.array of floats: cloud cover with values between 0 and 1 [-]

Returns:

lwfloat or numpy.array of floats: incident longwave radiation [W/m**2]

See also

iziomon: other empirical formula, from southwestern germany

References

[1]

Tennessee Valley Authority 1972. Heat and mass transfer between a water surface and the atmosphere Water Resources Research Laboratory Report 14, Report No. 0-6803. (I didn’t find it. But it’s mentioned in:)

[2]

ELCOM Science manual