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Jamuna River (Bangladesh)

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Title: Jamuna River (Bangladesh)  
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Subject: List of rivers of Bangladesh, Dhaleshwari River, Louhajang River, Bangladesh Railway, Pabna District
Collection: Rivers of Bangladesh
Publisher: World Heritage Encyclopedia

Jamuna River (Bangladesh)

A Map showing major rivers in Bangladesh including Jamuna.

The Jamuna River (Bengali: যমুনা Jomuna) is one of the three main rivers of Bangladesh. It is the main distributary channel of the Brahmaputra River as it flows from India to Bangladesh. The Jamuna flows south and joins the Padma River (Pôdda), near Goalundo Ghat, before meeting the Meghna River near Chandpur. It then flows into the Bay of Bengal as the Meghna River.

The Brahmaputra-Jamuna is a classic example of a braided river and is highly susceptible to channel migration and avulsion.[1]

The Jamuna is a braided stream characterised by a network of interlacing channels with numerous sandbars enclosed in between them. The sandbars, known in the Bengali as chars do not, however, occupy a permanent position. The river deposits them in one year very often to destroy and redeposit them in the next rainy season. The process of deposition erosion and redeposition has been going on continuously making it difficult to precisely demarcate the boundary between the district of Pabna on one side and the district of Mymensingh Tangail and Dhaka on the other. Breaking of a char or the emergence of a new one is also a cause of much violence and litigation.


In Bangladesh, the Brahmaputra is joined by the Teesta River (or Tista), one of its largest tributaries. The Teesta earlier ran due south from Jalpaiguri in three channels, namely, the Karatoya to the east, the Punarbhaba in the west and the Atrai in the centre. The three channels possibly gave the name to the river as Trisrota "possessed of three streams" which has been shortened and corrupted to Teesta. Of these three, the Punarbhaba joined the Mahananda. The Atrai passing through a vast marshy area known as Chalan Beel joined the Karatoya and the united stream joined the Padma (Ganges) near Jafarganj. In the destructive floods of 1787, the Teesta river forsook its old channel and rushing south-east it joined the Brahmaputra.[2]

James Rennell made a survey between 1764 and 1777 and his maps are one of the earliest authentic maps of Bengal in existence. In these maps Teesta is shown as flowing through North Bengal in several branches — Punarbhaba, Atrai, Karatoya, etc. All these streams combined lower down with the Mahananda, now the westernmost river in North Bengal, and taking the name of Hoorsagar finally discharged into the Ganges at Jafarganj, near modern Goalundo. The Hoorsagar river is still in existence, being the combined outfall of the Baral, a spill channel of the Ganges, the Atrai, the Jamuna or Jamuneswari (not the main Jamuna through which the Brahmaputra now flows), and the Karatoya, but instead of falling into the Ganges, it falls into the main Jamuna, a few miles above its confluence with the Padma at Goalundo.[3]

James Rennell's 1776 map shows the Brahmaputra's main flow through Jamalpur and Mymensingh and a much narrower Jamuna or Jamuneswari before an earthquake in 1762, and the Teesta R. flowing in 3 channels to the Ganges before a flood in 1787

Below the Teesta, the Brahmaputra splits into two distributary branches. The western branch, which contains the majority of the river's flow, continues due south as the Jamuna (Jomuna) to merge with the lower Ganges, called the Padma River (Pôdda). The eastern branch, formerly the larger but now much smaller, is called the lower or old Brahmaputra (Bromhoputro). It curves southeast to join the Meghna River near Dhaka. The Padma and Meghna converge near Chandpur and flow out into the Bay of Bengal. This final part of the river is called Meghna.

In the past the course of the lower Brahmaputra was different and passed through the Jamalpur and Mymensingh districts. In a 7.5[4] magnitude earthquake on April 2, 1762, the main channel of the Brahmaputra at Bhahadurabad point was switched southwards and opened as Jamuna due to the result of tectonic uplift of the Madhupur tract.[5][6][7]

The Jamuna is a very wide river. During the rains it is about 5–8 miles (8.0–12.9 km) from bank to bank. Even during the dry season when the waters subside, the breadth is hardly less than 2–3 miles (3.2–4.8 km).

The Jamuna was a barrier in establishing a direct road link between capital Dhaka and northern part of Bangladesh, better known as Rajshahi Division, until 1996. This was mitigated by the completion of the Jamuna Multi-purpose Bridge.[8] It is also a very important waterway. It is navigable all year round by large cargo and passenger steamers. Before the Partition of Bengal in 1947, passenger steamers used to ply up to Dibrugarh in the state of Assam in the Indian Union. At present two steamer ferry services link the district of Pabana with the districts of Mymensingh, Tangail and Dhaka. The Bangladesh Railway maintains a ferry service between Serajganj in Pabna and Jagannathganj in Mymensingh. The other ferry service between Nagarbari in Pabna and Aricha in Dhaka is run by the C & B Department.

See also


  1. ^ Catling, David (1992). Rice in deep water.  
  2. ^ Majumdar, Dr. R.C., History of Ancient Bengal, First published 1971, Reprint 2005, p. 4, Tulshi Prakashani, Kolkata, ISBN 81-89118-01-3.
  3. ^ Majumdar, S.C., Chief Engineer, Bengal, Rivers of the Bengal Delta, Government of Bengal, 1941, reproduced in Rivers of Bengal, Vol I, 2001, p. 45, published by Education department, Government of West Bengal.
  4. ^ Sifatul Quader Chowdhury. "Fault". In Sirajul Islam. Banglapedia: National Encyclopedia of Bangladesh.  
  5. ^ Suess, E.; Sollas, W.J.; Sollas, H.B.C. (1904). The face of the earth: (Das antlitz der erde). Clarendon press. 
  6. ^
  7. ^ DK Guha. "Tectonic Framework". In Sirajul Islam. Banglapedia: National Encyclopedia of Bangladesh.  
  8. ^ Akhter, Farida (2005). Japan ODA: Cause of river erosion, displacement and environmental destruction in Bangladesh? (PDF). The Reality of Aid: Asia-Pacific. pp. 63–75. Retrieved 21 June 2014. 

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