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t_fc

Time to drain soil to field capacity

lag

​Drain tile lag time

drain

Drainage coefficient

tiledrain.str

This file contains the tile drainage parameters.

Tile drains remove excess water from an area to optimize plant growth.

Field
Description
Type
Unit
Default
Range

Name of the tiledrain record

​string

n/a

n/a

n/a

​Depth of drain tube from the soil surface

​real

​mm

​1000.0

​0.0-6000.0

Time to drain soil to field capacity

real

​hours

​48.00

​0.0-100.0

​Drain tile lag time

​real

​hours

​24.00

​0.0-100.0

​Effective radius of drains

real

​mm

30.0

3.0-40.0

​Distance between two drain tubes or tiles

real

m

5.0

​5.0-100.0

Drainage coefficient

real

mm/day

10.0

10.0-51.0

Pump capacity

real

mm/hr

1.0

0.0-10.0

Multiplication factor to determine lateral saturated hydraulic conductivity

real

none

1.0

0.01-4.00

name
dp
t_fc
lag
rad
dist
drain
pump
lat_ksat

rad

Effective radius of drains

dist

Distance between two drain tubes or tiles

lat_ksat

Multiplication factor to determine lateral saturated hydraulic conductivity

The lateral saturated hydraulic conductivity is determined based on the vertical saturated hydraulic conductivity ().

soil_k

dp

​Depth of drain tube from the soil surface

pump

Pump capacity

name (tiledrain.str)

Name of the tile drain record

The name of the tile drain record is a primary key referenced by in . All names in the tiledrain.str file must be unique.

tile
landuse.lum