3. Rainfall
Average Annual Rainfall - 1170 mm
Maximum Average Annual Rainfall - 11000 mm
#Cherrapunji
Minimum Average Annual Rainfall - 100 mm
#Western Rajasthan
5. Demands of Various Sectors
0
200
400
600
800
1000
1200
1400
1997 2010 2025 2050
Demand(Billioncubicmetre)
Evaporation Losses
Environment
(Ecology)
Inland Navigation
Power
Industries
Domestic
Irrigation
6. India, with more than a billion people, needs a lot of water to grow food for its population
Agriculture
Source: http://www.unep.org/dewa/assessments/ecosystems/water/vitalwater/15.htm
7. Why India is a Water deficient
country ?
•Total land area --- 2.5%
•Population --- 16.7%
•Animal population --- 15%
•Renewable fresh water --- 4%
Note :-Percentage world-wide
8. Step to be taken to over come
water deficient: -
• Afforestation
• Reduction of over-gazing
• Population Control
• Community participation
• Use of non- conventional sources of energy
11. Sources of Irrigation
2.89 (5%)
2.53 (5%)
11.55 (21%)
15.98 (29%)
21.72 (40%)
Canals Tanks Tube Wells
Other Wells Other Sources
12. Every item
that we use needs
water for production
CAUSES FOR WATER STRESS
Water evaporation
from reservoirs of large
hydro power projects
Domestic
Extensive farming.
High usage of water
Industry
Increase in Population
Water stress!!!!
Power
Agriculture
People require
food to eat
Increased demand
for goods
bathing, flushing, washing,
cooking, drinking…