Geography North 24 Parganas district

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1 geography

1.1 location
1.2 land
1.3 groundwater arsenic contamination
1.4 climate





geography

the district lies within ganges-brahmaputra delta. river ganges flows along western border of district. there many other rivers, include ichhamati, jamuna, , bidyadhari.


location

latitude: 23°15 north - 22°11 north

longitude: 89°5 east - 88°20 east


land

the type of soil varies alluvial clay loam.


groundwater arsenic contamination

north 24 parganas 1 of 9 severely arsenic affected district in west bengal. on basis of updated survey conducted school of environmental studies (soes), jadavpur university, out of total 22 administrative blocks in 22, 21 , 16 blocks arsenic above 10 μg/l (who recommended value of arsenic in drinking water), 50 μg/l (indian standard value of arsenic in drinking water) , 300 μg/l (the concentration predicting overt arsenical skin lesions) noted respectively.


the maximum arsenic contamination level found in district 2830μg/l in baduria block.


climate

the climate tropical, rest of gangetic west bengal. characterised monsoon, lasts june mid september. weather remains dry during winter (mid november mid february) , humid during summer.



annual rainfall 1,579mm (average)
temperature 41 °c in may (max) , 10 °c in january (min)
relative humidity between 50% in march & 90% in july






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