Outputs Flashcards
1
Q
What are the types of outputs?
A
- evaporation
- evapotranspiration
- river discharge
2
Q
What are factors affecting evaporation?
A
- T°C
- humidity
- wind speed
- amount of water available
- veg. cover + colour of surface
3
Q
Why is EVT the most sig. aspect of water loss?
A
- accounts for loss of nearly 100% of annual pptn in arid areas + 75% in humid areas
4
Q
Where does purely evaporative losses occur?
A
- over ice + snow fields
- bare rock slopes
- desert areas
- water surfaces
- bare soil
5
Q
How may water enter a river?
A
- direct channel pptn
- surface runoff
- groundwater flow
- throughflow
6
Q
What is evaporation?
A
- change of state from a liquid to a gas
7
Q
What is evapotranspiration?
A
- combined processes of evaporation + transpiration of water from Earth’s surface into atmo.
8
Q
What is river discharge?
A
- volume of water passing a given point on a river bank over a time period
