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FLOODS GANGES-, FACTS-
IT IS 2510 KM LONG
FLOWS THROUGH…
FLOODS GANGES-
HUMAN CAUSES
LOW-LYING LAND - INE THE GANGES DELTA IN BANGLADESH WHICH IS AT OR JUST ABOVE SEA LEVEL, MEANING THAT IT FLOODS MORE EASILY
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TOO MANY TRIBUTARIES -GANGA HAS MANY TRIBUTARIES (YAMUNA, RAMGANGA, KOSI)WHICH INCREASE THE VOLUME OF WATER BEING CARRIED BY THE GANGA,SPECIALLY DURING MONSOONS
NATURAL CAUSES
DEFORESTATION PARTICULARY IN UPLAND -THIS LEADS TO LESS INTERCEPTION AND INFILTRATION, INCREASING OVERLAND FLOW
HUMAN-INDUCED CLIMATE CHANGE
-INCREASED MELTING OF HIMALAYAN SNOW AND ICE ,WHICH INCREASE DISHARGE
~IT MAY ALSO HAVE AFFECTED CLIMATE PATTERS LEADING TO INCREASED FREQUENCY AND SEVERITY OF TROPICAL CYCLONES
URBANISATION
-AS THE POPULATION INCREASES AND THERE IS MORE RURAL-URBAN MIGRATION LEADS TO INCREASED OVERLAND FLOW DUE TO IMPERMEABLE SURFACES
AGRICULTURE
-INCREASES OVERLAND FLOW AND SOIL EROSION, WHICH REDUCES THE CAPACITY OF THE RIVERS
CONTOLLING FLOODS
FLOOD PLAIN ZONING -THE CENTRAL WATER COMISSION -CWC- HAS BEEN CONTINOUSLY IMPRESSING UPON THE STATES THE NEED TO TAKE FOLLLOW UP ACTION TO IMPLEMENT THE FLOOD PLAIN ZONIG APPROACH. A MODEL DRAFT BILL FOR FLOOD PLAIN ZONING LEGISLATION WAS ALSO CIRCULATED BY THE UNION GOVERNMENT IN 1975 TO ALL THE STATES
FLOOD PROOFING - FLOOD PROOFING MEASURES ADOPTED IN INDIA IN THE PAST CONSISTED IN RAISING A FEW VILLAGES ABOVE PRE DTERMINED FLOOD LEVELS AND CONNECTING THEM TO NEARBY ROADS OR HIGH LANDS. DURING X PLAN THE GOVERNMENT OF BIHAR HAD ALSO CONSTRUCTED WITH CENTRAL ASSISTANCE THE RAISED PLATFORMS FOR SAFETY OF THE PEOPLE IN FLOOD PRONE AREAS OF NORTH BIHAR
CWC NATIONAL FLOOD FORECASTING NETWORK -WIRELESS COMMUNICATION SYSTEM INSTALLED IN ALMOST 550 STATIONS IN THE BACKBONE OF THE COMMUNICATION SYSTEM REQUIRED FOR FLOOD FORECASTING LOCATIONS THE LEVEL FORECASTS HELP THE USER AGENCIES TO DECIDE MITIGATING MEASURES LIKE EVACUATION OF PEOPLE AND SHIFTING PEOPLE AND THEIR MOVABLE PROPERTY TO SAFER LOCATIONS
FMP - THE FLOOD MANAGEMENT PROGRAME WAS IMPLEMENTED DURING XI PLAN WITH AN OUTLAY OF 8000 CRORE UNDER THE PROGRAMME CENTRAL ASSISTANCE WAS PROVIDED TO STATE GOVERNMENT FOR TAKING UP WORKS RELATED TO RIVER MANAGEMENT FLOOD CONTROL ANTI EROSION DRAINAGE DEVELOPMENT FLOOD PROOFING RESTORATION OF DAMAGED FLOOD MANAGEMENT WORKS AND ANTI SEA EROSION
IMPACTS OF FLOODING
LOSS OF LIFE, DAMAGE INFRASTUCTURE AND DISTRUPTIOM OF AGRICULTURAL ACTIVITIES
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FACTS-
- IT IS 2510 KM LONG
- FLOWS THROUGH INDIA AND BANGLADESH WHERE IT BECOME THE RIVER PADMA AND JOINS BRAHMAPUTRA RIVER
-DRAINAGE BASIN COVER 1.2MILLION KILOMETER SQUARE. -THE POPULATION IN THE AREA DRAINED BY GANGES IS 650 MILLION PEOPLE