WATER RESOURCES DEVELOPMENT AND UTILISATION IN EASTERN PART OF INDIA
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Transcript of WATER RESOURCES DEVELOPMENT AND UTILISATION IN EASTERN PART OF INDIA
G.ARUN KUMAR BTE – 06 - 005
Annual precipitation - 4000 km3
Annual flow per year for the Indian rivers -1953 km3. Annual replenishable groundwater resources -432 km3
Annual utilizable surface water 690 km3 per year Annual groundwater resources 396 km3 per year Cherrapunji - Highest Rainfall in the world
River basin Drainage area ( km2)
Average annual run-off (km3)
Average run-off per km2 (m3)
Brahmaputra 194.4 537.2 276300
Barak 78.1 59.8 765600
State Total replenish able ground water resources(km3)
Ultimate
Irrigation potential
Approximate annual rain water received (km3) Major
projects Minor irrigation
AP 1.43 100 10 156
Assam 24.71
1700 158
Manipur 3.15 100 5 42
State Total replenish able ground water resources(km3)
Major projects
Minor irrigation
Approximate annual rain-water received (km3)
Meghalaya
0.54 85 15 54
Mizoram --- 55 5 40
Nagaland 0.72 75 5 38
Tripura 0.66 100 5 22
Total region
31.21 1485 1755 510
CONTD….
STATES CANALS TANKS WELLS OTHER SOURCES
AP 1521 813 568 96
Assam 362 --- --- 210
Manipur --- --- --- 65
Meghalaya --- --- --- 37
NAGALND --- ---- ---- 12
Orissa 263 583 45 258
Tripura --- --- --- 22
West Bengal
960 303 17 26
STATES Ultimate potential m.ha
Utilization of potential till 1973-74 (m.ha-m)
% of Utilization of potential
Assam 2.190 0.091 4.15
Orissa 3.947 1.673 42.39
West Bengal 3.840 1.126 31.66
Bihar 6.80 2.044 30.06
Purpose 2001 2025
Agriculture 20.0 28.0
Domestic use 2.9 5.5
Energy 1.5 3.0
Industry 1.5 3.0
Others 1.5 3.5
Total 27.4 43.0
In eastern india’s unconfined alluvial aquifers, it is being
increasingly realized that groundwater depletion can be countered
only by importing surface water.
The purpose of the project is to identify reliable sources of water
of sufficient quantity and quality to supply.
http://www.ias.ac.in/currsci/sep102005/794.p
df
http://www.iwrs.in/iwr.htm
A.M.Michael “Irrigation theory & practice”
A. Narayanamoorthy “Trends in Irrigated Area
in India: 1950-51 to 2002-03”