area of land drained by a river and its tributaries
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Watershed
the boundary around a drainage basin marked by a high ridge of land
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Base level
of a river is the lowest point to which it can flow
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Precipitation
Input - water in any form (rain, snow etc) that falls from the atmosphere to the surface of the earth
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Interception storage
Storage - occurs when plants prevent some precipitation from directly reaching the ground
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Throughfall
Transfer - the water that drips off leaves during a rainstorm
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Stemfow
Transfer - the water that runs down the stem + branches of plants + trees
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Surface storage
Storage - during a rainstorm, small smounts of water will be held in depressions + puddles on the surface of the ground
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Surface runoff
Transfer - is the water from rain, snowmelt or other sources that flows over the land surface
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Infiltration
transfer - is the process by which the water on top of the ground enters into the soil
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Soil mositure storage
storage - spaces between the soil particles that fill with water
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Throughflow
transfer - where the water moves downwards through layers of soil
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Channel storage
storage - water stored within the river channel
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Channel flow
transfer - downhill movement of water in rivers
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River discharge
output - all the water that enters a river and eventually flows out of a drainage basin
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Percolation
transfer - the downward movement of water within the rockunder the soil surface
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Groundwater storage
storage - water that collects underground in the pore spaces in soil + rock. when it fills all of the pore spaces available the soil or rock is said to be saturated
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Groundwater flow (base flow)
transfer - once the ground is saturated water can travel beneath the water table
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Evapotranspiration
output - the tota amount of moisture removed by evaporation and transpiration
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Other cards in this set
Card 2
Front
the boundary around a drainage basin marked by a high ridge of land
Back
Watershed
Card 3
Front
of a river is the lowest point to which it can flow
Back
Card 4
Front
Input - water in any form (rain, snow etc) that falls from the atmosphere to the surface of the earth
Back
Card 5
Front
Storage - occurs when plants prevent some precipitation from directly reaching the ground
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