Water key words

Interception

• water coming into the system

• This is when precipitation lands on buildings, vegetation and concrete before it reaches the soil.

•  Water moving from one place to another

Surface storage

• The total volume of water held on the Earth’s surface in lakes, ponds and puddles.

• This is when precipitation lands on buildings, vegetation and concrete before it reaches the soil.

• The storage of water underground in permeable rock strata.

Channel flow

• The downward movement of water into the soil surface.

•  Water that reaches the channel largely through slow throughflow and from permeable rock below the water table.

• The movement of water within the river channel. This is also called a river’s discharge.

Percolation

• The gravity flow of water within soil.

• Water running down a plant stem or tree trunk.

• The transformation of water droplets into water vapour by heating.

Stemflow

• The downward movement of water into the soil surface.

• Water running down a plant stem or tree trunk.

• The loss of water from a drainage basin into the atmosphere from the leaves of plants + loss from evaporation.

Transpiration

• The amount of water that passes a given point, in a given amount of time.

• The gravity flow of water within soil.

• Evaporation from plant leaves.

Cryosphere

• Water held underground in the soil or in pores and crevices in rock.

• The frozen water part of the Earth system

• This is when precipitation lands on buildings, vegetation and concrete before it reaches the soil.