GGR206H1 Lecture Notes - Transpiration, Evaporation, Soil

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School
Department
Course
Things to remember
Hydrological Cycle
Water
Onshore transports
40,000 km3
Evaporation and transpiration
71,000 km3
Runoff
40,000 km3
Precipitation (land)
110,000 km3
Precipitation (ocean)
385,000 km3
Evaporation
425,000 km3
Average Residence time
Total
2,800 years
Ocean
3,000 years 30,000 years
Ice and Snow
1 16,000 years
Groundwater (1km)
From days to thousands of years
Lakes and reservoirs
1-100 years
Saline lakes
10 -1,000 years
Soil moisture
2 weeks to 1 year
Biological moisture in plants and
animals
1 week
Atmosphere
8-10 days
Swamps and marshes
From months to years
River and streams
10-30 days
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