Water flows through rocks towards the river. The rock type can affect the rate of flow.
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Groundwater storage
Water is stored in permeable rocks below the surface of the ground.
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Precipitation
Water and ice that fall from clouds into the drainage basin. It can take many forms and vary greatly over time and space.
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Channel Storage
Water is stored in a river. It is the amount of water stored in a river at a particular instant.
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Infiltration
The process by which water enters the soil. The rate can be affected by factors such as soil type, soil saturation and duration of rainfall.
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River runoff
The total discharge of water from the drainage basin via its' main river.
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Channel flow
Water flows in a river. This is the most efficient means of removing water from a drainage basin
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Interception
Precipitation is trapped or stored temporarily on vegetation.
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Soil water
Water is stored in the soil.
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Throughflow
Water moves horizontally through the soil towards rivers. Normally happens when the soil is completely saturated with water.
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Evaporation
Water changes from a liquid to a gas and is returned to the atmosphere. Evaporation is facilitated by energy from the sun.
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Overland flow
The movement of water over the surface of the ground to rivers.
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Transpiration
Water evaporates from inside vegetation and is returned to the atmosphere. Plants can control the rate of transpiration by opening and closing their stomata.
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Groundwater flow
Water flows through rocks towards the river. This is affected by rock type e.g. if the rock is permeable or not.
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Percolation
Water drains down through rocks towards the water table. The water table is the upper level of groundwater.
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Vegetation storage
Water is stored within plants and trees.
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Throughfall and Stemflow
Precipitation drips through vegetation to the ground. Precipitation runs down the stems of plants or trunks of trees to the ground.
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Surface storage
The part of precipitation retained at the ground surface.
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Other cards in this set
Card 2
Front
Groundwater storage
Back
Water is stored in permeable rocks below the surface of the ground.
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