Drainage Basin Keywords Flashcards
Runoff
All the water that enters the river and eventually flows out of the drainage basin.
Transpiration
Process by which water is lost from a plant through its stomata in its leaves.
Stemflow
Water runs down stems and branches during & after rain, to reach the ground.
Throughflow
Water moves down-slope through sub-soil, pulled by gravity.
Percolation
The downward movement of water within the rock, under the soil surface.
Groundwater Flow
The slowest transfer of water within the drainage basin.
Throughfall
Water that drips off leaves during a rainstorm.
Evaporation
The process by which liquid water is transferred into water vapour (a gas).
Interception
Process by which raindrops are prevented from directly reaching the soil surface, due to leaves, branches etc.
Infiltration
The passage of water into the soil.
Evapotranspiration
The total amount of moisture removed by evaporation and transpiration from a vegetated land surface.
Precipitation
Water in any form that falls from the atmosphere to the surface of the earth.