The process by which liquid water is transformed into water vapour, which is a gas. A large amount of energy from the sun is required for this process.
Evaporation
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Total amount of moisture removed from a vegetated land surface.
Evapotranspiration
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Process by which water is lost through stomata.
Transpiration
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Slow, but steady rate of water movement through bands of sedimentary rock. Main input of water to a river in a dry season.
Groundwater Flow
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The passage of water into the soil. High speed at the beginning of a storm, then slows down depending on soil type (sandy soils let more water through)
Infiltration
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Process which stops raindrops directly reaching the soil surface. some water on vegetation evaporates and does not return to the drainage basin.
Interception
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Downward movement of water within the rock under the surface. Igneous rocks are impermeable.
Percolation
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Water in any form that falls from the atmosphere
Precipitation
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All the water that enters a river and eventually flows out of a drainage basin
Runoff
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Water that runs down stem and branches of plants during and after rain to reach the ground.
Stemflow
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water that drips off leaves during a rainstorm, occurs when more water falls onto the leaves than can remain there.
Throughfall
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The water that moves down slope through the subsoil, pulled by gravity.
Throughflow
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The laying down of solid material in the form of sediment on the bed of a river or sea floor
Deposition
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Break up of rocks by the rock particles being moved by wind, water or ice
Erosion
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the movement of particles from the place they were eroded to the place they are deposited
Transportation
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Caused by rejuvenation. Meander cut deeply into the floodplain causing steep cliff like banks
Incised meander
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Caused by rejuvenation. marked by rapids, a sudden break in a rivers long profile.
Knick point
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Increase in a rivers energy, cause by fall in base level or uplift of land
Rejuventation
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narrow flat piece of ground parallel to the river above the floodplain. cause by a fall in base level
River terrace
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natural event that threatens life and property. example:flooding
Hazard
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realisation of clue 20
Disaster
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Stratagies designed to prevent flooding and ensure an adequate supply of water
River Management
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Other cards in this set
Card 2
Front
Total amount of moisture removed from a vegetated land surface.
Back
Evapotranspiration
Card 3
Front
Process by which water is lost through stomata.
Back
Card 4
Front
Slow, but steady rate of water movement through bands of sedimentary rock. Main input of water to a river in a dry season.
Back
Card 5
Front
The passage of water into the soil. High speed at the beginning of a storm, then slows down depending on soil type (sandy soils let more water through)
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