Catchments - Climate
18 important questions on Catchments - Climate
What is the difference between stratiform and convective precipitation?
Convective = high temperatures, short-term, intensive showers on a local scale.
What factors cause spatial variability in precipitation?
2) precipitation is higher downwind of areas where much water evaporates
3) precipitation is higer on the windward side of mountains
Which type of precipitation has a high spatial variability?
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What factors cause temporal variation in precipitation?
2) climate change (changes average sum and type)
Which type of precipitation often occurs in winter?
How does precipitation occur in a mountainous area?
Describe the variation in precipitation:
How does the albedo respond to a snow man?
Crops 0.2-0.3
Deciduous forest: 0.2-0.25
Coniferous forest: 0.1-0.15
water bodies: 0.06
What is interception evaporation?
What causes spatial variability in ET?
2) Land use (vegetation more evap.)
3) Soil moist
What are the types of evapotranspiration?
soil evaporation
open water evaporation
transpiration
What causes temporal variability in ET?
How can the actual evapotranspiration be obtained of a wet area be obtained?
What is the reference evaportranspiration? (ETref)
What is the potential evapotranspiration (ETpot)?
What is the formula for the ETpot?
f = crop factor
What is the actual evapotranspiration? (ETact)
Where is ETref equal to ETact?
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