i.evapo.pt Computes evapotranspiration calculation Priestley and Taylor formulation, 1972. Imagery (i.*) ParameterRaster|net_radiation|Name of input net radiation raster map [W/m2]|False ParameterRaster|soil_heatflux|Name of input soil heat flux raster map [W/m2]|False ParameterRaster|air_temperature|Name of input air temperature raster map [K]|False ParameterRaster|atmospheric_pressure|Name of input atmospheric pressure raster map [millibars]|False ParameterNumber|priestley_taylor_coeff|Priestley-Taylor coefficient|0.0|None|1.26|False *ParameterBoolean|-z|Set negative ETa to zero|False OutputRaster|output|Evapotranspiration