QGIS algorithm - i.evapo.pt

QGIS Algorithm provided by GRASS i.evapo.pt (grass:i.evapo.pt). Computes evapotranspiration calculation Priestley and Taylor formulation, 1972.

grass_i_evapo_pt(
  net_radiation = qgisprocess:::qgis_default_value(),
  soil_heatflux = qgisprocess:::qgis_default_value(),
  air_temperature = qgisprocess:::qgis_default_value(),
  atmospheric_pressure = qgisprocess:::qgis_default_value(),
  priestley_taylor_coeff = qgisprocess:::qgis_default_value(),
  .z = qgisprocess:::qgis_default_value(),
  output = qgisprocess:::qgis_default_value(),
  GRASS_REGION_PARAMETER = qgisprocess:::qgis_default_value(),
  GRASS_REGION_CELLSIZE_PARAMETER = qgisprocess:::qgis_default_value(),
  GRASS_RASTER_FORMAT_OPT = qgisprocess:::qgis_default_value(),
  GRASS_RASTER_FORMAT_META = qgisprocess:::qgis_default_value(),
  ...,
  .complete_output = .complete_output_option(),
  .quiet = .quiet_option(),
  .messages = .message_option()
)

Arguments

net_radiation

raster - Name of input net radiation raster map (W/m2). Path to a raster layer.

soil_heatflux

raster - Name of input soil heat flux raster map (W/m2). Path to a raster layer.

air_temperature

raster - Name of input air temperature raster map (K). Path to a raster layer.

atmospheric_pressure

raster - Name of input atmospheric pressure raster map (millibars). Path to a raster layer.

priestley_taylor_coeff

number - Priestley-Taylor coefficient. A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

.z

boolean - Set negative ETa to zero. 1 for true/yes. 0 for false/no. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression. Original algorithm parameter name: -z.

output

rasterDestination - Evapotranspiration. Path for new raster layer.

GRASS_REGION_PARAMETER

extent - GRASS GIS region extent. A comma delimited string of x min, x max, y min, y max. E.g. '4,10,101,105'. Path to a layer. The extent of the layer is used..

GRASS_REGION_CELLSIZE_PARAMETER

number - GRASS GIS region cellsize (leave 0 for default). A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

GRASS_RASTER_FORMAT_OPT

string - Output Rasters format options (createopt). String value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

GRASS_RASTER_FORMAT_META

string - Output Rasters format metadata options (metaopt). String value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

...

further parameters passed to qgisprocess::qgis_run_algorithm()

.complete_output

logical specifying if complete out of qgisprocess::qgis_run_algorithm() should be used (TRUE) or first output (most likely the main) should read (FALSE). Default value is TRUE.

.quiet

logical specifying if parameter .quiet for qgisprocess::qgis_run_algorithm() Default value is TRUE.

.messages

logical specifying if messages from qgisprocess::qgis_run_algorithm() should be printed (TRUE) or not (FALSE). Default value is FALSE.

Details

Outputs description

• output - outputRaster - Evapotranspiration