Freshwater Definitions
Teacher recommended
?- Created by: ADAM
- Created on: 25-04-13 20:55
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Clues
- Floodplains are valley floors that get covered in water when a river exceeds bankfull discharge. Marshes occur when the floodplain is saturated for a long time. (18)
- Land that is overused or misused can become degraded, where the quality of land has been reduced and it is less productive. (4, 11)
- Land that is suitable for farming. (12, 4)
- The combined processes of evaporation and transpiration. In practice it is very difficult to calculate the two amounts separately, so they are often grouped together. (18)
- The process of land turning into desert. This can happen because of natural factors like rising temperatures and drought, or human factors like overgrazing and deforestation. (15)
- The upwards movement of water. (9, 6)
- Water moving within rocks below the ground. (11, 4)
- When evapotranspiration has exceeded precipitation for a long period. During these arid periods deep groundwater will have to be used or artificial stores e.g. reservoir. (11, 7)
- When evapotranspiration is greater than precipitation. During this period groundwater will be used and the level of the water table will start to go down. (11, 5)
- When precipitation exceeds evapotranspiration and groundwater depleted in drier months can be refilled. (11, 8)
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