~ ~ ~ PURPOSE ~ ~ ~ this subroutine computes tile drainage using basic tile equations
compute tile flow using the original tile equations
(wt_above_btm - tile_above_btm) / wt_above_btm * (sw - fc)
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| real, | intent(in) | :: | tile_above_btm |