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