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Definition of the parameters in the group if these are "instantaneous" parameters, "accumulative" parameters or "mean" parameters.
dimension
Optional. The dimension of the parameter used to indicate what quantity the values for this parameter represent. For example: time, mass, velocity, acceleration, discharge etc.
For certain features the dimension is checked to ensure the calculation performed by FEWS will make sense. For example, the calculate budget option in the spatial display.
The following dimensions are recognized by FEWS:
| Code Block | ||||
|---|---|---|---|---|
| ||||
<dimension name="length" length="1"/>
<dimension name="mass" mass="1"/>
<dimension name="time" time="1"/>
<dimension name="temperature" temperature="1"/>
<dimension name="electricCurrent" electricCurrent="1"/>
<dimension name="amountOfSubstance" amountOfSubstance="1"/>
<dimension name="luminousIntensity" luminousIntensity="1"/>
<dimension name="velocity" length="1" time="-1"/>
<dimension name="frequency" time="-1"/>
<dimension name="acceleration" length="1" time="-2"/>
<dimension name="discharge" length="3" time="-1"/>
<dimension name="momentum" mass="1" length="1" time="-1"/>
<dimension name="force" mass="1" length="1" time="-2"/>
<dimension name="pressure" mass="1" length="-1" time="-2"/>
<dimension name="mass flux" mass="1" length="-2" time="-1"/>
<dimension name="volumetric flux" length="1" time="-1"/>
<dimension name="energy flux" mass="1" time="-3"/>
<dimension name="surface tension" mass="1" time="-2"/>
<dimension name="energy" mass="1" length="2" time="-2"/>
<dimension name="power" mass="1" length="2" time="-3"/>
<dimension name="mass density" mass="1" length="-3"/>
<dimension name="viscosity" mass="1" length="-1" time="-1"/>
<dimension name="area" length="2"/>
<dimension name="volume" length="3"/>
<dimension name="entropy" mass="1" length="2" time="-2" temperature="-1"/>
<dimension name="electric charge" electricCurrent="1" time="1"/>
<dimension name="electric field" mass="1" length="1" time="-3" electricCurrent="-1"/>
<dimension name="magnetic field" mass="1" time="-2" electricCurrent="-1"/>
<dimension name="dimensionless"/> |
unit
Unit of the parameters defined in the group. The unit may be selected from a list of units supported by DELFT-FEWS. These are generally SI units. For an enumeration of supported units see Appendix B.
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