Water resources – Notes
Water is essential for domestic use, cultivation and also for industries.
Around 97% of the total water available on the earth lies in the seas and oceans.
Only 2.5% exits as fresh water.
Nearly 70% of the fresh water is locked in ice and glaciers.
Just under 30% of its exits as groundwater
Only 0.3% exits in rivers, lakes and ponds.
A tiny fraction occurs on a form fit for human and industrial consumption.
India receives around 4% of the total rainfall in the world.