Water contained in the upper part of the soil mantle. This moisture evaporates from the soil and is the used and transpired by vegetation.

Ground water in the zone of aeration

The water held in the spaces between soil particles. Dry soil: See Xeric

Water that is stored in the soil.

Water stored in or at the land surface and available for evaporation.

The water contained in the pore space of the unsaturated zone.

The water contained in the pore space of the unsaturated zone.

Water contained in the upper part of the soil mantle. This moisture evaporates from the soil and is the used and transpired by vegetation.

Degree of water content in the land surface, measurable from satellites.

Water contained in the upper part of the soil mantle. This moisture evaporates from the soil and is the used and transpired by vegetation.

the water contained in the pore space of the unsaturated zone.

Water in the soil either held by capillary attraction or in the process of movement toward the water table.

Water contained in the upper part of the soil mantle. This moisture evaporates from the soil and is the used and transpired by vegetation.

The water contained in the pore spaces in the unsaturated zone.

The percentage of water in the soil (ICID, 1996). Water in the soil available to plants. It is normally taken as the water amount in the soil between wilting point and field capacity (WMO, 1990).