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Matkas
Earthen pots
Main causes of water scarcity
Exploitation and excessive use of water. Unequal access to water among different social groups
In India hydroelectric power
Contributes to about 22 percent of the electricity produced
Another reason for water scarcity
Bad quality of water
Pollution of water due to
Domestic and industrial wastes, chemicals and pesticides
What are dams
A barrier across flowing water that obstructs or directs the flow , often creating a reservoir or lake
Uses of dams
Recreation, generating electricity, supplying water for domestic and industrial purposes and flood control
Dams aka
Multipurpose projects
The Bhakranangal
In the sutluj Beas basin project water Is being used for irrigation and hydel power
Hirakud project
In mahanadi basin integrates conservation of water and flood control
Spillway or weir
Is a section through which the water flows through continuously
Types of dams
Embankment dams, timber dams and masonry dams
Jawaharlal Nehru said dams are
The temples of modern India because it would help develop agriculture and this help the growth of the village economy
Social movements caused by dams
Tehri dam Andolan and Narmada Bachao Andolan
NGO
Non governmental organisation
Narmada Bachao Andolan
Save Narmada movement
Narmada Bachao Andolan has
Mobilized tribal people, farmers and human rights activists against the construction of the sardar sarovar dam bein built across the river Narmada
N.B.A focuses on
The environmental issues related to the trees that would be submerged under he reservoir
Big dams have been unsuccessful in
Controlling floods due to sedimentation,
In hilly and mountainous regions
People built Diversion channels for agriculture
Rooftop rainwater harvesting
Commonly practiced to store drinking water, especially in rajasthan
In the flood plains of Bengal
People developed inundation channels to irrigate their fields
In arid and semi arid regions
Agricultural fields were converted to rained storage structures that allowed water to stand and moisten the soil
Places where almost all the houses have underground tanks for storing drinking water
Semi arid and arid regions of Rajasthan, particularly bikaner, phalodi and barmer
How tankas work
Rain fall on these sloping rooftops would travel down a pipe and was stored in underground tankas
Rain water aka
Palar pani
Rainwater is the
Purest form of natural water
Rooms adjoining the tanka
Were constructed in many houses to keep cool during summers
Rainwater harvesting in many households
Gendathur which is a backward village in Mysore.
In water availability India ranks
133
Launching of multi purpose projects
Came about after independence
Classify dams on the basis of height
Low dams, medium dams and high dams
Disadvantage of multipurpose projects
Causes large scale displacement of local communities
Recent Demand of Narmada Bachao Andolan
Poor citizens, especially the displaced people should get full rehabilitation facilities provided by the govt
Two places suffering from water scarcity in India
Gujarat and rajasthan
