The process by which liquid water is transformed into water vapour, which is a gas.
Evaporation
1 of 15
When ice sheets, glaciers, and snow fields release water by the direct change of state from a solid to a gas, without passing through the liquid stage.
Sublimination
2 of 15
The process by which water is lost from a plant through the stomata in its leaves.
Transpiration
3 of 15
The total amount of moisture removed by evaporation and transpiration from a vegetated land surface.
Evapotranspiration
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The process by which droplets of water or ice are formed when water vapour is cooled to dew point.
Condensation
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The melting of the ice, mainly during summer months, and usually at the snout of a glacier.
Ablation
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Water in any form which falls from the atmosphere to the surface of the earth, including rainfall, snow, sleet, and hail.
Precipitation
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The process by which raindrops are prevented from falling directly on to the soil surface by the presence of a layer of vegetation.
Interception
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When the outcome of rainfall intensity on a slope is greater than the rate at which water can infiltrate into the soil, a thin layer of water forms on the surface and it begins to move down slope under gravity.
Surface Runoff
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The passage of water into the soil. Water is drawn into the soil by gravity and capillary action.
Infiltration
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The transfer of water from the soil storage zone to the channel at a much slower rate than the overland flow.
Throughflow
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The downward vertical movement of water within a soil.
Percolation
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Water that collects underground in the pore spaces in the soil and rock.
Groundwater
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When all pore spaces are filled, the rock or soil is said to be saturated. The water is then transferred slowly through and rock and into the bed of the river.
Groundwater Flow
14 of 15
All the water which enters a river and flows out of the drainage basin.
Runoff
15 of 15
Other cards in this set
Card 2
Front
When ice sheets, glaciers, and snow fields release water by the direct change of state from a solid to a gas, without passing through the liquid stage.
Back
Sublimination
Card 3
Front
The process by which water is lost from a plant through the stomata in its leaves.
Back
Card 4
Front
The total amount of moisture removed by evaporation and transpiration from a vegetated land surface.
Back
Card 5
Front
The process by which droplets of water or ice are formed when water vapour is cooled to dew point.
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