The drainage basin is an open system within the global hydrological cycle (Edexcel A-Level Geography): Flashcards
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Practise the cards
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Drainage basin
Drainage basin
Area of land drained by river & its tributaries
Watershed
Watershed
High land dividing waters flowing to different rivers
Rain shadow
Rain shadow
Dry area on leeward side of mountain
Interception loss
Interception loss
Water retained by plants, later evaporated or transpired
Antecedent soil moisture
Antecedent soil moisture
Amount of water already in the soil
Throughflow
Throughflow
Lateral transfer of water downslope through soil via pipes & percolines
Saturated overland flow
Saturated overland flow
Upward movement of water table into evaporation zone
Evapotranspiration (EVT)
Evapotranspiration (EVT)
Combined effect of evaporation & transpiration
Albedo
Albedo
Proportion of incoming solar radiation reflected by surface
Deforestation impact on drainage basin
Deforestation impact on drainage basin
↓ EVT, ↑ surface run-off, ↑ flooding potential
