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WATER AVAILABILITY

WATER AVAILABILITY. Total availability of water in earth-1.37X18 8 M ha m. Fresh water – 2.8 %. Saline water – 97.2%. Groundwater- 0.6%. Surface water – 2.2%. Lakes & reservoirs – 0.01% Streams – 0.0001% Water vapour in atm. - 0.001% Soil moisture – 0.002%. Glaciers – 2.15 %.

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WATER AVAILABILITY

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  1. WATER AVAILABILITY

  2. Total availability of water in earth-1.37X188 M ha m Fresh water – 2.8% Saline water – 97.2% Groundwater- 0.6% Surface water – 2.2% Lakes & reservoirs – 0.01% Streams – 0.0001% Water vapour in atm. - 0.001% Soil moisture – 0.002% Glaciers – 2.15 % Remaining is at depth > 800m Economically extracted – 0.3 %

  3. WATER RESOURCES IN NORTH INDIA Rivers Dams Check basins Wells Lakes, etc,

  4. RIVERS • Beas, • Satluj, • Ravi, • Chenab • Jhelum. • The ganges • Yamuna

  5. Water Resources Management • The north region of India has surface water - 1487.4 km3 ground water resources - 31.22 km3 Ultimate irrigation potential in the region is 1488 thousand ha from major and 1755 thousand ha from minor irrigation projects

  6. Rainfall pattern and distribution. • Annual average rainfall is about 120 cm • North – west monsoon. • Winter (little amount) • 75 percent total rainfall is received in the four month period from June-September. • Himalayas gets heavy precipitation. • Rajasthan desert is lowest with 15 cm.

  7. River project estimation

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