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6.1.3.2.8.1. supy.util.cal_z0zd#
- supy.util.cal_z0zd(ser_qh, ser_ustar, ser_ta_c, ser_rh_pct, ser_pres_hpa, ser_ws, z_meas, h_sfc, debug=False)[source]#
Calculates surface roughness and zero plane displacement height. Refer to https://suews-parameters-docs.readthedocs.io/en/latest/steps/roughness-SuPy.html for example
6.1.3.2.8.1. Parameters#
- ser_qh: pd.DataFrame
sensible heat flux [W/m^2]
- ser_ustar: pd.Series
friction velocity [m/s]
- ser_ta_c: pd.Series
air temperature [°C]
- ser_rh_pct: pd.Series
relative humidity [%]
- ser_pres_hpa: pd.Series
air pressure [hPa]
- z_meas: number
measurement height in m
- h_sfc: number
vegetation height in m
- debugbool, optional
Option to output final calibrated
ModelResult
, by default False
6.1.3.2.8.1. Returns#
- z0
surface roughness length for momentum
- zd
zero displacement height