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Case Study – II
Floods in Assam and Bihar
Assam
Th e Ganga-Brahmaputra–Meghna Basin a fl oodplain spanning 1,000 kilometres
is a major fl ood-prone area in India. Th is in length, known as the Brahmaputra
river basin carries almost 60 per cent of Valley.
CHINA
Yarlung Zangbo (Tsangpo) Lhasa
New Delhi
NEPAL
Subansiri Lohit
BHUTAN
Kathmandu
Jaipur Agra Yamuna Ganges Lucknow Ghaghara Gandak Kosi Teesta Brahamputra
Banas Chambal Kanpur Gomti Ganges
Betwa Allahabad Varanasi Patna Surma
Tamsa Farakka Jamuna BANGLADESH Barak
Dhaka
Son
Damodar Padma Mehgna
Bhopal Hooghly
Indore
Mouth of the Ganges MYANMAR
INDIA
Bay o f B engal
A map of the Ganga–Brahmaputra–Meghna basin
the country’s water supply. According to Th is mighty river fl ows down the entire
the National Flood Commission, about 40 Brahmaputra Valley for about 720 kilometres
million hectares of land in this area is prone
to fl ooding.
Th e Brahmaputra is considered as the lifeline
of Assam. Th is river is even older than the
Himalayas. Brahmaputra is one of the three
major rivers of the Indian subcontinent.
Flowing along steep gorges and rapids
in Arunachal Pradesh, the river entering
Assam becomes wider—at times 16 kilometres
wide—and together with its tributaries creates The Brahmaputra River
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