Start | Index | Overview • PREV | UP | NEXT

net.simplace.client.simulation.lap.fao56.radiation.NetRadiationFromSolarRadiation

Calculates net radiation from solar radiation, using (FAO 56) methods. Extraterrestrial radiation is also calculated.

For documentation of the formulas please check the orginal reference (FAO 56)

References: (FAO 56): Allen, Crop evapotranspiration - Guidelines for computing crop water requirements - FAO Irrigation and drainage paper 56, 1998

Component Variables

Content Type	Name	Description	Data Type	Unit	Min Value	Max Value	Default Value
constant	cAltitude	elevation above sea level	DOUBLE	m	-	-	0.0
constant	cAngstromRegressionConstant	Angstrom equation regression constant	DOUBLE	1	-	-	0.25
constant	cAngstromRegressionSlope	Angstrom equation regression slope	DOUBLE	1	-	-	0.5
constant	cLatitude	latitude	DOUBLE	°	-90.0	90.0	0.0
constant	cUseAngstromVariables	use measured Angstrom variables if true, else use default ones	BOOLEAN		-	-	false
input	iActualVapourPressure	actual vapour pressure	DOUBLE	kPa	-	-	0.0
input	iSolarRadiation	solar or shortwave radiation	DOUBLE	MJ/(m2 d)	-	-	0.0
input	iTMax	maximum daily temperature	DOUBLE	°C	-	-	0.0
input	iTMin	minimum daily temperature	DOUBLE	°C	-	-	0.0
out	ExtraterrestrialRadiation	extraterrestrial radiation	DOUBLE	MJ/(m2 d)	-	-	0.0
out	NetOutgoingLWRadiation	net outgoing longwaveRadiation	DOUBLE	MJ/(m2 d)	-	-	0.0
out	NetRadiation	net radiation	DOUBLE	MJ/(m2 d)	-	-	0.0
out	NetSolarRadiation	net solar or shortwave radiation	DOUBLE	MJ/(m2 d)	-	-	0.0

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

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

Process the algorithm and write the results back to VarMap

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) - NetRadiationFromSolarRadiation