World water Balance | World water distribution in hydrology

World water balance OR World water distribution

Total quantity of water in the world:- 1386 million km³

From the total quantity of water about 96.5% are present in oceans, 1% in form of saline water( salt water lakes ) and Only about 2.5% water is fresh.

2.5% Fresh water = 35 million km³ 


Fresh water Distribution :

fresh water is present in three form :-


1. Polar Ice:- about 68.6% of fresh water (two by third of total fresh water)


2. Ground Water:- about 30.1% of fresh water 


3. Lakes and Rivers:- about 0.3% of fresh water


From 35 million km³ fresh water about 10.6 million km³ water in form of liquid and fresh and about 24.4 million km³ water is frozen.


🠇About 0.001% of total water and about 0.1% of water of fresh water is present in atmosphere.


NOTE:- About ¾th of the earth surface ( about 71% ) is covered with water.

FAQ :

1. How Much Water is There on Earth?
Ans: 1368 million Kilometres cube (or 1368×10⁶ km³)

2. How much of the water can be found in oceans?
Ans: about 96.5% of water are found on oceans.

3. In which form is water present in the atmosphere?
Ans: Water is present in the form of water vapours in the atmosphere.

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