Title: Higher Geography:
1Higher Geography
Drainage basins
2evaporation and transpiration
precipitation
Interception (stored in plants)
overland flow
Surface storage
infiltration
channel storage
throughflow
soil water storage
percolation
streamflow
groundwater flow
groundwater storage
Or channel runoff
3Watershed - the boundary separating one drainage
basin from another.
Tyne drainage basin
or catchment area
4Constructing a watershed
5The watershed defines the boundary of the
catchment area.
Drainage Basin 1
6Drainage basins interlock
7Water table
8Firth of Tay
The Tay-Earn basin River Tay and River Earn
catchments, Perthshire, Scotland
9Firth of Tay
The Tay-Earn basin River Tay and River Earn
catchments, Perthshire, Scotland
10River Tay video
What a drainage basin is like.
Things to think about!
The changing landscape from source to mouth.
Why what a river does is important to us.
The impact of flood events on human activity.