Drainage Basin And Flooding Flashcards
What is interception?
When water droplets collect on trees and plants
What is precipitation?
Rain, hail, sleet or snow
What is infiltration?
When surface water soaks into the soil
What does permeable mean?
Lets water through
What does impermeable mean?
Does not let water through
What is surface runoff?
Water flowing on top of the ground
What is ground water flow?
Water stored in porous rocks deep below the ground
What is throughflow?
Water flowing downhill through the soil
What is a landscape?
An extensive area of land regarded as being visually and physically distinct
What is erosion?
The wearing away and removal of the land by rivers, glaciers and the wind. Erosion removes debris and provides an input into the river or coastal system
What is relief?
The height and shape of the land
What are the main causes of flooding?
Rainfall and snowmelt
What natural factors increase the risk of flooding?
Relief, type of rock and intensity of rainfall
What human factors increase the risk of flooding?
Urbanisation, deforestation and agriculture
