gp 7 waterresources

8/7/2019 gp 7 WaterResources

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WATER

RESOURCES


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What is price you are willing to pay forthese?


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WaterWater A Unique ResourceA Unique Resource

Prerequisite for all forms of life.Prerequisite for all forms of life. No Substitute for water.No Substitute for water. Reusable but irreplaceable.Reusable but irreplaceable. Most critical limiting factor in aspects likeMost critical limiting factor in aspects like

economic growth, food security,economic growth, food security,healthcare, etc.healthcare, etc.


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Water in Our WorldWater in Our World


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A small mathematical equationA small mathematical equation

Total fresh water available = 40,000 cu. KmTotal fresh water available = 40,000 cu. Km Total population = 6 billion.Total population = 6 billion.

So, amount of fresh water available per personSo, amount of fresh water available per personper year = 6600 cu. m.per year = 6600 cu. m. Annual Per capita requirement = 1700 cu.mAnnual Per capita requirement = 1700 cu.m

(WHO estimate)(WHO estimate)

So, is water actually scarce as we alwaysSo, is water actually scarce as we alwayscomplain?complain?


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Scarcity of water in CitiesScarcity of water in Cities

Lack of water retention.Lack of water retention. Leaking taps and rotting pipelines.Leaking taps and rotting pipelines. Bad sewage system.Bad sewage system. Lack of proper town planning.Lack of proper town planning.

These reasons very well applicable toThese reasons very well applicable tomegacities of the world.megacities of the world.


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Water Usage PatternWater Usage Pattern

SectorSector Global UseGlobal Use%%

% use in% use inindustrialisindustrialiseded

countriescountries

% use in% use indevelopeddevelopedcountriescountries

% use in% use inIndiaIndia

AgricultureAgriculture 7070 3030 8282 8080

IndustryIndustry 2222 5959 1010 1515

DomesticDomestic 88 1111 88 55


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Usage of accessible waterUsage of accessible water


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Water WarsWater Wars Why and where areWhy and where are

these conflicts?these conflicts? Inequitable distribution and use of waterInequitable distribution and use of water

resources.resources.

Arise when water is used as instrumentsArise when water is used as instrumentsof war, either as a tool or a target.of war, either as a tool or a target.

Conflicts between industries and localConflicts between industries and local

communities.communities. Inter as well as intraInter as well as intra-- country conflicts.country conflicts.


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SolutionsSolutions

Transport of water by huge bags by sea.Transport of water by huge bags by sea. Towing of icebergs.Towing of icebergs. Discovery of new, deep aquifiers full ofDiscovery of new, deep aquifiers full of

water.water.

Make desalination affordable using aMake desalination affordable using acheap energy source.cheap energy source.


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Is there a way out?Is there a way out?

Reduce demandReduce demand Catch rain whenever and wherever it falls.Catch rain whenever and wherever it falls. Adoption of decentralised systems ofAdoption of decentralised systems of

water supply and sanitation.water supply and sanitation.

Adopt fairer policies.Adopt fairer policies.


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Interlinking of RiversInterlinking of Rivers

A Panacea???A Panacea??? Estimated investmentEstimated investment Rs 5600 to Rs 10000Rs 5600 to Rs 10000

billion.billion.

High interest burden for such a high investment.High interest burden for such a high investment. Political consensusPolitical consensus will it ever be achieved?will it ever be achieved? River sources drying up and choked with silt.River sources drying up and choked with silt.

Water to be pumped uphill.Water to be pumped uphill. Large scale submergence of habitats, forests,Large scale submergence of habitats, forests,biodiversity, etc.biodiversity, etc.


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Success stories on WaterSuccess stories on Water

Conservation and ManagementConservation and Management Auroville, PondicherryAuroville, Pondicherry RevivingReviving

traditional water bodies.traditional water bodies.

Tarun Bharat SanghTarun Bharat Sangh Building of CheckBuilding of Checkdams.dams.

Ralegaon Siddhi, MaharashtraRalegaon Siddhi, Maharashtra Construction of bunds and percolationConstruction of bunds and percolationtanks.tanks.

And many more.And many more.


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Bishop Cotton Girls High SchoolBishop Cotton Girls High School -- BangaloreBangalorePilot Project Planned: Bishop

Cottons Girls High School,

Bangalore

Roof Area

(square

metre) :

800

Rainfall

(millimetres): 970

Rainwater

Available :

0.78 million

litres

Rainwater

harvestable

:

0.62 million

litres

Investment

Costs (Rs) :25,000

Savings from

water

harvested(Rs)

37,200 per year


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References & WebsitesReferences & Websites

Environmental StudiesEnvironmental Studies From Crisis toFrom Crisis toCure by R Rajagopalan.Cure by R Rajagopalan.

Ministry of Water ResourcesMinistry of Water Resources www.wrmin.nic.inwww.wrmin.nic.in

www.earthtrends.wri.orgwww.earthtrends.wri.org

www.data.cseindia.orgwww.data.cseindia.org www.rainwaterharvesting.orgwww.rainwaterharvesting.org


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Thank you!!!Abhiroop Chatterjee 2

Abhishek Ranjan 4

Dhirendra Pratap Singh - 13

Gautam Rajagopalan - 16

gp 7 waterresources

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