This component calculates the average wilting point, field capacity as well as the volumetric water content over the rooted layers of a soil profile. Critical water content is calculated as in the original Lintul2 Cassava model (see (L2C))
The Lintul5Cassava model needs the actual and critical water content of the rooted zone. When working with layered water models (e.g. SlimWater, Hillflow1D), this component takes the volumetric water content per layer and calculates the volumetric water content of all the layers that contain roots.
(L2C) Guillaume K.S. Ezui, Lintul2Cassava
Content Type | Name | Description | Data Type | Unit | Min Value | Max Value | Default Value |
---|---|---|---|---|---|---|---|
constant | cFieldCapacity | Field capacity per soil layer | DOUBLEARRAY | m3/m3 | - | - | - |
constant | cSoilLayerDepth | Lower boundary of each layer | DOUBLEARRAY | m | - | - | - |
constant | cTRANCO | Transpiration constant for critical water calculation | DOUBLE | mm | - | - | 8.0 |
constant | cTWCSD | Proportion of wilting point (WCWP), at which water content at severe drought (WCSD) is assumed to be reached | DOUBLE | 1 | - | - | 1.05 |
constant | cWiltingPoint | Wilting point per soil layer | DOUBLEARRAY | m3/m3 | - | - | - |
input | iPotentialTranspiration | Potential transpiration | DOUBLE | mm | - | - | 0.0 |
input | iSeedDepthLayerNumber | Layer number where roots start (counting from 0) | INT | 1 | - | - | 0 |
input | iSeminalRootDepthLayerNumber | Layer number where seminal roots end (counting from 0) | INT | 1 | - | - | 0 |
input | iVolumetricWaterContentPerLayer | Volumetric water content per layer | DOUBLEARRAY | m3/m3 | - | - | - |
out | FieldCapacity | Average field capacity over layers with roots | DOUBLE | m3/m3 | - | - | 0.0 |
out | VolumetricWaterContent | Actual volumetric water content in layers with roots | DOUBLE | m3/m3 | - | - | 0.0 |
out | VolumetricWaterContentCritical | Critical volumetric water content in layers with roots | DOUBLE | m3/m3 | - | - | 0.0 |
out | WiltingPoint | Average wilting point over layers with roots | DOUBLE | m3/m3 | - | - | 0.0 |