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| River Ganges | |
|---|---|
| Name | Ganges |
| Other name | Ganga |
| Source | Gangotri Glacier |
| Mouth | Bay of Bengal |
| Length km | 2525 |
| Basin countries | India; Bangladesh; Nepal; China; Bhutan |
| Basin area km2 | 1,000,000 |
| Discharge avg m3s | 12,000 |
River Ganges. The Ganges is a major transboundary river originating in the Himalayas and flowing through India and Bangladesh to the Bay of Bengal, forming one of the world’s largest alluvial plains. It links pilgrimage centers such as Gangotri, Haridwar, Varanasi, and Kolkata with deltaic landscapes including the Sundarbans and the Ganges Delta, and it has shaped political, economic, and cultural networks across South Asia involving states like Uttar Pradesh, Bihar, West Bengal, and nations such as Bangladesh and Nepal.
The river rises from the Gangotri Glacier in Uttarakhand near Gaumukh and flows past Haridwar, Kanpur, Prayagraj, Varanasi, and Patna before entering West Bengal and joining the Hooghly River distributary system near Kolkata en route to the Bay of Bengal. Major tributaries include the Yamuna River (meeting at Prayagraj), the Ghaghara River (originating in Tibet via Nepal), the Gandak River, the Kosi River, the Son River, and the Mahananda River; other important feeders are the Ramganga River, Tamsa River, and Punpun River. The river’s course traverses the Indo-Gangetic Plain and interacts with fluvial features such as the deltaic plain of the Ganges Delta and channels influenced by seasonal monsoon dynamics driven by the South Asian monsoon.
Ganges discharge is highly seasonal, dominated by monsoon precipitation from the Bay of Bengal circulation and meltwater from Gangotri Glacier and other Himalayan accumulation zones, with peak flows typically during the Indian monsoon and low flows in the dry season influenced by abstractions for irrigation in Punjab, Haryana, and Uttar Pradesh. Water-resource infrastructure includes large-scale projects such as the Tehri Dam (on a tributary), the Farakka Barrage near Farakka in West Bengal, inter-basin transfer proposals linked to the National Water Development Agency, irrigation networks tied to the Indira Gandhi Canal and regional canal systems, and transboundary agreements like the Ganges Water Treaty between India and Bangladesh. Hydrological monitoring is conducted by institutions such as the Central Water Commission, the India Meteorological Department, and cross-border scientific collaborations involving universities like IIT Roorkee and organizations linked to the World Bank and Asian Development Bank.
The Ganges supports diverse ecosystems ranging from alpine headwaters with Himalayan flora and fauna to riparian wetlands, floodplain grasslands, and estuarine mangroves of the Sundarbans, which are home to species protected through conventions like the Convention on Biological Diversity and the Ramsar Convention. Notable fauna include the Ganges river dolphin (a flagship species), the mugger crocodile, the gharial, migratory waterbirds linked to the East Asian–Australasian Flyway, and fish assemblages exploited by fisheries in regions such as Bihar and West Bengal. Threatened habitats face pressures from channelization, damming exemplified by projects studied by CIFOR and IUCN, invasive species assessments by researchers at institutions like Zoological Survey of India, and conservation initiatives involving NGOs such as WWF-India and government programs under the Ministry of Environment, Forest and Climate Change.
The river has profound religious significance in traditions associated with Hinduism, sacred geography centered on pilgrimage circuits to sites like Gangotri, Haridwar, Prayagraj (site of the Kumbh Mela), and Varanasi, and ritual practices reported in scriptures such as the Mahabharata and Puranas. It features in the biographies of religious figures including Adi Shankara, devotional movements like the Bhakti movement, and reformist interactions with personalities such as Raja Ram Mohan Roy and institutions like Sabarimala-linked traditions. Cultural expressions tied to the river appear in literature by authors like Rabindranath Tagore, Bankim Chandra Chattopadhyay, and Munshi Premchand, in music traditions from Bengal and Uttar Pradesh, and in urban rituals performed along ghats constructed by princely states such as Benares State and municipal bodies like the Kolkata Municipal Corporation.
The river faces pollution from untreated sewage from cities like Kanpur, Varanasi, Patna, and Kolkata, industrial effluents from sectors in Uttar Pradesh and West Bengal, pesticide runoff from agricultural basins in Punjab and Bihar, and religious offerings concentrated at ghats; these stressors have prompted legal and policy responses including court cases in the Supreme Court of India, national campaigns such as the Namami Gange programme, and international technical assistance from agencies like the World Bank and the Asian Development Bank. Conservation and management strategies involve wastewater treatment plants commissioned under state governments such as Uttarakhand and Uttar Pradesh, river basin management planning by the Central Pollution Control Board, community-driven initiatives by organizations such as Greenpeace India and River Sadhana, and research collaborations with universities like Jadavpur University and institutes including National Institute of Hydrology to address contaminants, sedimentation, and ecological restoration of species like the Ganges river dolphin.
Historically the river valley supported ancient polities such as the Maurya Empire, the Gupta Empire, and medieval sultanates including the Delhi Sultanate, and it facilitated trade routes connecting ports like Sagar Island and inland centers such as Pataliputra and Sarnath. The Ganges plain underpinned agrarian economies producing rice, jute, sugarcane, and other commodities linked to colonial-era institutions like the British East India Company and infrastructure projects such as the East Indian Railway Company and colonial irrigation schemes. Contemporary economic roles include inland navigation promoted through the National Waterways program, fisheries supporting livelihoods in West Bengal and Bangladesh, hydroelectric and irrigation benefits from projects assessed by the Central Electricity Authority, and urban-industrial uses concentrated around metropolitan nodes such as Kolkata and Varanasi.
Category:Rivers of India Category:Rivers of Bangladesh