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Unregistered 19th March 2016 10:10 AM

What Is The Water Cycle
 
Hello Sir myself siddharth what is water cycle, what is the process of this cycle, provide information on this?

Shaleen 19th March 2016 10:10 AM

Re: What Is The Water Cycle
 
The water cycle, also known as the hydrological cycle or the H2O cycle, describes the continuous movement of water on, above and below the surface of the Earth.

Processes
Precipitation
Canopy interception
Snowmelt
Runoff
Infiltration
Subsurface flow
Evaporation
Sublimation
Deposition
Advection
Condensation
Transpiration
Percolation
Plate tectonics

Residence times
Antarctica 20,000 years
Oceans 3,200 years
Glaciers 20 to 100 years
Seasonal snow cover 2 to 6 months
Soil moisture 1 to 2 months
Groundwater: shallow 100 to 200 years
Groundwater: deep 10,000 years
Lakes (see lake retention time) 50 to 100 years
Rivers 2 to 6 months
Atmosphere 9 days

Human Activities That Alter The Water Cycle Include
Agriculture
Industry
Alteration of the chemical composition of the atmosphere
Construction of dams
Deforestation and afforestation
Removal of groundwater from wells
Water abstraction from rivers
Urbanization


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