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net.simplace.usermodules.heidi.modules.CropEvapoTranspirationDualCoeff

Component Variables

Content Type	Name	Description	Data Type	Unit	Min Value	Max Value	Default Value
constant	cCharacteristicMeanRelHumidity	region's characteristic mean daily min relative humidity for mid/late growth season	DOUBLE	%	0.0	100.0	45.0
constant	cCharacteristicWindSpeed	region's characteristic wind speed at 2m during the mid growing season m s-1	DOUBLE	meter_per_second	0.0	-	2.0
constant	cCropHeight	average crop height during mid/late season	DOUBLE	meter	0.0	5.0	0.0
constant	cKcMin	min Kc for dry bare soil with no ground cover	DOUBLE	1	0.0	2.0	0.15
constant	cKcbIni	nominal Kcb value during initial growth stage	DOUBLE	1	0.0	2.0	0.0
constant	cKcbMid	nominal peak Kcb value obtained during mid season growth stage	DOUBLE	1	0.0	2.0	0.0
constant	cWettedSoilFraction	fraction of soil surface wetted by rain or irrigation	DOUBLE	1	0.0	1.0	1.0
input	iDVS	daily value of development stage	DOUBLE	1	0.0	2.5	0.0
input	iDoHarvest	harvesting	BOOLEAN	1	-	-	false
input	iDoSow	sowing	BOOLEAN	1	-	-	false
input	iET0	reference crop evapotranspiration	DOUBLE	millimeter	0.0	20.0	0.0
input	iLAI	daily estimated leaf area index	DOUBLE	1	0.0	20.0	0.0
out	ETCUpper	upper crop ET under standard conditions (no water, nutrient, weed, pest or disease limitations to growth)	DOUBLE	mm d-1	0.0	20.0	-
out	Kcb	basal crop coefficient	DOUBLE	1	0.0	2.0	-
out	KeUpper	upper limit of soil evaporation coefficient	DOUBLE	1	0.0	2.0	-
out	PotentialSoilEvapCropUpper	Potential rate of evaporation from the soil	DOUBLE	mm d-1	0.0	20.0	-
out	PotentialTranCrop	Potential rate of transpiration from the soil	DOUBLE	mm d-1	0.0	20.0	-

public class CropEvapoTranspirationDualCoeff extends
net.simplace.simulation.model.FWSimComponent {
// Public Constructors
public CropEvapoTranspirationDualCoeff();

// Public Instance Methods

public HashMap createVariables(); // Defines
net.simplace.simulation.model.FWSimComponent

Create the FWSimVariables as interface for this SimComponent

// Protected Instance Methods

protected void init(); // Defines
net.simplace.simulation.model.FWSimComponent

Initializes the fields by getting input and output FWSimVariables from VarMap

protected void initValues();

Process the algorithm and write the results back to VarMap

protected void resetOnHarvest();

protected void process(); // Defines
net.simplace.simulation.model.FWSimComponent

protected void PotTran();

Calculates K_cb and potential transpiration of crop

protected void PotSoilEvap();

Calculates K_e and potential soil evaporation

protected FWSimComponent clone(FWSimVarMap aVarMap);
// Defines net.simplace.simulation.model.FWSimComponent

creates a clone from this SimComponent for use in other threads

}

Hierarchy: java.lang.Object - net.simplace.simulation.model.FWSimComponent (net.simplace.simulation.util.FWSimFieldContainer) - CropEvapoTranspirationDualCoeff