DRN package

The DRN package specifies the use of drains in a simulation. To enable the drain package use

res = mf::setDrain(elevation, conductance, LAYER);

where

elevation [\(L\)]
is the name of a spatial, scalar PCRaster map containing drain elevation values;
conductance [\(L^2T^-1\)]
is the name of a spatial, scalar PCRaster map containing drain conductance values and
LAYER [\(-\)]
is the layer number the map values will be assigned to.

Water seepage into a drain is calculated if the conductance value in a cell is larger than zero.

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