Agriculture and Agri-Food Canada
www.agr.gc.ca
Home > CanSIS > National Soil DataBase
(NSDB) > Soil
Landscapes of Canada > Version 2.2 >
Dominant /
Subdominant File
AVWAT
Available water capacity in upper 120 cm
Definition
That portion of water in a soil that can be readily absorbed by
plant roots; most workers consider it to be the water held in the
soil between field capacity and a pressure of up to about 15 bars.
- AVWATDOM
- Available water capacity in upper 120 cm (dominant soil
landscape)
- AVWATSUB
- Available water capacity in upper 120 cm (subdominant soil
landscape)
Classification
| CODE |
CLASS |
Description |
| 1 |
50 mm |
| 2 |
100 mm |
| 3 |
150 mm |
| 4 |
200 mm |
| 5 |
250 mm |
| 6 |
not applicable |
(Solonetzic or saline soils) |
| 7 |
not applicable |
(High water table) |
| 8 |
not applicable |
(Perennially frozen subsoils) |
| # |
not applicable |
(Water, ice, rock) |
| - |
not identified |
|
Source
This information was originally found in SLC verson 1.0. It was
translated to version 2.2 using a polygon intersection approach
(NSDB-ID=CAR016).
effective version 2.2 Source: adapted from Shields et al., 1991
Contact: Head,
CanSIS