Water Logging

Water Logging

Condition of land in which the sub-soil water table is located at on near the sub-surface

Norms and Ministry of Water Resources Govt. of India:

1. Water logged areas- Water tables within 2m from land surface.
2. Potential area from water logging- Water table between 2-3m from land surface.
3. Safe areas- Water table below 3 m from land surface.

Norms of Classifying Water Logged Areas:

1. Pre- Monsoon (April /May) depth of water table.
2. Post-Monsoon (Oct/Nov) depth of water table.
3. Average WT depth over a season or year.
4. Sum of exceedances of water days above a specified water table. Out of these first and second approachable are more realistic.

Critical Areas for Water Logging:

WT 2-3 m (Pre-monsoon)
WT 1-2m (Post-monsoon)

Potential Area for Wheat Logging:

WT within 3-5 m from the soil surface during pre-monsoon are a considered potential.