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This article deals with the Indus River. For other uses of the word Indus, see Indus (disambiguation).

Indus
Sindh, Sindhu, Hindu, Abasin, Sengge Chu, Yìndù
Satellite image of the Indus River basin. Satellite image of the Indus River basin.
Countries |	China,India,Pakistan
Length |	3,200 km (0 mi) approx.
Watershed	1,165,000 km (0 mi) approx.
Discharge at	Arabian Sea
- average	6,600 m/s (0 ft/s) approx.
Source |	Confluence of the Sengge and Gar rivers
- location	Tibetan Plateau,Tibet,China
Mouth	Sapta Sindhu
- location	Sindh,Pakistan
- elevation	0 m (0 ft)

The Indus River (Urdu: سندھ Sindh; Sindhi: سنڌو Sindhu; Sanskrit and Hindi: सिन्धु Sindhu; Persian: Hinduحندو ; Pashto: Abasin ّآباسن"Father of Rivers"; Tibetan: Sengge Chu "Lion River"; Chinese: 印度 Yìndù; Greek: Ινδός Indos) is the longest and most important river in Pakistan and one of the most important rivers on the Indian subcontinent and has given the country India its name. Originating in the Tibetan plateau in the vicinity of Lake Mansarovar, the river runs a course through Ladakh district in Kashmir and Northern Areas, flowing through the North in a southerly direction along the entire length of country, to merge into the Arabian Sea near Pakistan's port city Karachi. The total length of the river is 3200 kilometres (2000 miles). The river has a total drainage area exceeding 1,165,000 square kilometres (450,000 square miles). The river's estimated annual flow stands at around 207 cubic kilometres. Beginning at the heights of the world with glaciers, the river feeds the ecosystem of temperate forests, plains and arid countryside. Together with the rivers Chenab, Ravi, Sutlej, Jhelum, Beas and the extinct Sarasvati River, the Indus forms the Sapta Sindhu ("Seven Rivers") delta in the Sindh province of Pakistan. It has 20 major tributaries.

The Indus provides the key water resources for the economy of Pakistan - especially the breadbasket of Punjab province, which accounts for most of the nation's agricultural production, and Sindh. It also supports many heavy industries and provides the main supply of potable water in Pakistan.

The ultimate source of the Indus is in Tibet; it begins at the confluence of the Sengge and Gar rivers that drain the Nganglong Kangri and Gangdise Shan mountain ranges. The Indus then flows northwest through Ladakh-Baltistan into Gilgit, just south of the Karakoram range. The Shyok, Shigar and Gilgit streams carry glacial waters into the main river. It gradually bends to the south, coming out of the hills between Peshawar and Rawalpindi. The Indus passes gigantic gorges 4500 - 5200 metres (15,000-17,000 feet) high near the Nanga Parbat massif. It swiftly flows across Hazara, and is dammed at the Tarbela Reservoir. The Kabul River joins it near Attock. The remainder of its route to the sea is in plains of the Punjab and Sind, and the river becomes slow-flowing and highly braided. It is joined by Panjnad River at Mithankot. Beyond this confluence, the river, at one time, was named as Satnad River (sat = seven, nadi = river) as the river was now carrying the waters of Kabul River, Indus River and the five Punjab rivers. Passing by Jamshoro, it ends in a large delta to the east of Thatta.

The Indus is one of the few rivers in the world that exhibit a tidal bore. The Indus system is largely fed by the snows and glaciers of the Karakoram, Hindu Kush and Himalayan ranges of Tibet, Kashmir and Northern Areas of Pakistan. The flow of the river is also determined by the seasons - it diminishes greatly in the winter, while flooding its banks in the monsoon months from July to September. There is also evidence of a steady shift in the course of the river since prehistoric times - it deviated westwards from flowing into the Rann of Kutch.

History

Main articles: Indus Valley Civilization, History of Sindh, and History of Punjab

Paleolithic sites have been discovered in Pothohar, with the stone tools of the Soan Culture. In ancient Gandhara, evidence of cave dwellers dated 15,000 years ago has been discovered at Mardan.

The major cities of the Indus Valley Civilization, such as Harappa and Mohenjo Daro, date back to around 3300 BC, and represent some of the largest human habitations of the ancient world. The Indus Valley Civilization was extended from Balochistan to Gujarat, with an upward reach to the darcon from east of River Jhelum to Rupar on the upper Sutlej. The coastal settlements extended from Sutkagan Dor at Iranian border to Lothal in Gujarat. There is an Indus site on the Oxus river at Shortughai in northern Afghanistan (Kenoyer 1998:96), and the Indus site Alamgirpur at the Hindon River is located only 28 km from Delhi (S.P. Gupta 1995:183). To date, over 1,052 cities and settlements have been found, mainly in the general region of the Ghaggar-Hakra River and its tributaries. Among the settlements were the major urban centers of Harappa and Mohenjo-daro, as well as Lothal, Dholavira, Ganeriwala, and Rakhigarhi. Only 90 to 96 of the over 800 known Indus Valley sites have been discovered on the Indus and its tributaries. The Sutlej, now a tributary of the Indus, in Harappan times flowed into the Ghaggar-Hakra River, in the watershed of which were more Harappan sites than along the Indus (S.P. Gupta 1995: 183).

Most scholars believe that settlements of Gandhara grave culture of the early Indo-Aryans flourished in Gandhara from 1700 to 600 BCE, when Mohenjo Daro and Harappa had already been abandoned. The name Indus is a Latinization of Hindu, in turn the Iranian variant of Sindhu, the name of the Indus in the Rigveda. Sanskrit sindhu generically means "river, stream", probably from a root sidh "to keep off"; sindhu is attested 176 times in the Rigveda, 95 times in the plural, more often used in the generic meaning. Already in the Rigveda, notably in the later hymns, the meaning of the word is narrowed to refer to the Indus river in particular, for example in the list of rivers of the Nadistuti sukta. This resulted in the anomaly of a river with masculine gender: all other Rigvedic rivers are female, not just grammatically, being imagined as goddesses and compared to cows and mares yielding milk and butter.

The Indus has formed a natural boundary between the Indian hinterland and its frontier with Afghanistan and Iran. It has been crossed by the armies of Alexander the Great - Greek forces retreated along the southern course of the river at the end of the Indian campaign. The Indus plains have also been under the domination of the Persian empire and the Kushan empire. The Muslim armies of Muhammad bin Qasim, Mahmud of Ghazni and Babur also crossed the river to strike into the inner regions of Gujarat, Punjab and Rajputana.

The word "India" is a reference to the Indus River.

Geography

Tributaries

Astor River Beas River Chenab River Gar River Ghizar River Gilgit River Ganga River Gumal River

Hunza River Jhelum River Kabul River Kunar River Ravi River Shigar River Shingo River

Shyok River Suru River Sutlej River Swaan River Wakha River Zanskar Gorge Zhob River Balram River

Geology

The Indus River feeds the Indus submarine fan located in the Arabian Sea, which is the second largest sediment body on the Earth at around 5 million cubic kilometers of material eroded from the mountains. Studies of the sediment in the modern river indicate that the Karakoram Mountains in northern Pakistan are the single most important source of material, with the Himalayas providing the next largest contribution, mostly via the large rivers of the Punjab (i.e., the Ravi, Jhelum, Chenab and the Sutlej). Analysis of sediments from the Arabian Sea by marine geologists Peter Clift and Jerzy Blusztajn has demonstrated that prior to five million years ago the Indus was not connected to these Punjab Rivers which instead flowed east into the Ganges and were captured after that time. Earlier work, also by Peter Clift, showed that sand and silt from western Tibet was reaching the Arabian Sea by 45 million years ago, implying the existence of an ancient Indus River by that time. The delta of this proto-Indus river has subsequently been found in the Katawaz Basin, on the Afghan-Pakistan border. Most recently the Indus was paralleled by the ancient Saraswati River, which the Rigveda suggests flowed from the Himalaya between the Sutlej and the Yamuna Rivers, close to modern day Chandigarh. Reportedly the Saraswati river was totally dried by 1900 BCE as confirmed by archeological hydrological radio carbon datings .

Climate

The Indus delta is one of the driest in the Indian subcontinent, lying just to the west of the Thar Desert of Rajasthan - and rainfall is extraordinarily erratic owing to the passage of cyclones from the Arabian Sea. The Punjab plains, however, receive considerable rainfall from the summer monsoon: at Abbottabad the average annual rainfall is around 1,200 millimetres (47 in.) and at Murree around 1,700 millimetres (67 in.) with as much as 730 millimetres (28 in.) in July and August alone. The upper basin of the Indus receives 10 - 20 millimetres (4-8 in.) of rainfall (higher in the west) in the winter months owing to northwestern winds. Higher elevations in Kashmir and the Northern Areas receives a large amount of precipitation in the form of snow, but the lower valleys are extremely dry and quite warm in the summer. Annual temperatures fall below freezing in the northern mountainous regions in the winter, while exceeding 38 °C (100 °F) in the plains of Punjab and Sindh in the summer. Jacobabad, which is one of the hottest spots in the world, lies to the west of the river in Sindh.

Wildlife

Accounts of the Indus valley from the times of Alexander's campaign indicate a healthy forest cover in the region, which has now considerably receded. The Mughal Emperor Babar writes of encountering rhinoceroses along its bank in his memoirs (the BaberNameh). Extensive deforestation and human interference in the ecology of the Shivalik Hills has led to a marked deterioration in vegetation and growing conditions. The Indus valley regions are arid with poor vegetation. Agriculture is sustained largely due to irrigation works.

The Blind Indus River Dolphin (Platanista gangetica minor) is a sub-species of Dolphins found only in the Indus River. It formerly also occurred in the tributaries of the Indus river. Palla fish (Hilsa ilisha) of the river is a delicacy for people living along the river. The population of fishes in the river is moderate, with Sukkur, Thatta and Kotri being the major fishing centres - all in the lower Sindh course. But damming and irrigation has made fish farming an important economic activity. Located southeast of Karachi, the large delta has been recognised by conservationists as one of the world's most important ecological regions. Here the river turns into many marshes, streams and creeks and meets the sea at shallow levels. Here marine fishes are found in abundance, including pomfret and prawns.

Economy

The Indus is the most important supplier of water resources to the Punjab and Sindh plains - it forms the backbone of agriculture and food production in Pakistan. The river is especially critical as rainfall is meagre in the lower Indus valley. Irrigation canals were first built by the people of the Indus valley civilization, and later by the engineers of the Kushan Empire and the Mughal Empire. Modern irrigation was introduced by the British East India Company in 1850 - the construction of modern canals accompanied with the restoration of old canals. The British supervised the construction of one of the most complex irrigation networks in the world. The Guddu Barrage is 1,350 metres (4,450 ft) long - irrigating Sukkur, Jacobabad, Larkana and Kalat. The Sukkur Barrage serves over 20,000 square kilometres (5,000,000 acres).

After the partition, a water control treaty signed between India and Pakistan in 1960 guaranteed that Pakistan would receive water from the Indus River independent of upstream control by India.^[1] The project, Indus Basin Project, consisted primarily of the construction of two main dams, the Mangla Dam built on the Jhelum River and the Tarbela Dam constructed on the Indus River, together with their subsidiary dams.^[2] The Pakistan Water and Power Development Authority undertook the construction of the Chashma-Jhelum link canal - linking the waters of the Indus and Jhelum rivers - extending water supplies to the regions of Bahawalpur and Multan. Pakistan constructed the Tarbela Dam near Rawalpindi - standing 2743 metres (9,000 ft.) long and 143 metres (470 ft.) high, with a 80 kilometre (50 miles) long reservoir. The Kotri Barrage near Hyderabad is 915 metres (3,000 ft) long and provides additional supplies for Karachi. The Taunsa Barrage near Dera Ghazi Khan produces 100,000 kilowatts of electricity. The extensive linking of tributaries with the Indus has helped spread water resources to the valley of Peshawar, the Northwest Frontier Province. The extensive irrigation and dam projects provide the basis for Pakistan's large production of crops such as cotton, sugarcane and wheat. The dams also generate electricity for heavy industries and urban centres.

People

The inhabitants of the regions through whom the Indus river passes and forms a major natural feature and resource are diverse in ethnicity, religion, national and linguistic backgrounds. On the northern course of the river in Kashmir live the Buddhist people of Ladakh, of Tibetan stock, with Kashmiris who practice both Islam and Hinduism. As it descends into Northern Areas of Pakistan, the Indus river forms a distinctive boundary of ethnicity and cultures - upon the western banks the population is largely Pashtun, Balochi, and of other Iranic stock, with close cultural, economic and ethnic ties to Iran and Afghanistan. The eastern banks are largely populated by peoples of Indo-Aryan stock, such as the Punjabis, the Sindhis and the Seraikis. In northern Punjab and the NWFP, ethnic Pashtun tribes live alongside Punjabi peoples. In the southern portion of the Punjab province, the Serakai peoples speak a distinctive tongue and practise distinctive traditions. In the province of Sindh, peoples of Sindhi, Gujarati, Punjabi and Urdu-speaking Mohajir backgrounds form the local populations. Upon the western banks of the river live the Balochi and Pashtun peoples of Balochistan.

Modern issues

Due to its location and vast water resources, the Indus is a strategically vital resource for Pakistan's economy and society. After the partition of India in 1947, the use of the waters of the Indus and its five eastern tributaries became a major dispute between India and Pakistan. The irrigation canals of the Sutlej valley and the Bari Doab were split - with the canals lying primarily in Pakistan and the headwork dams in India - disrupting supply in some parts of Pakistan. The concern over India building large dams over various Punjab rivers that could undercut the supply flowing to Pakistan, as well as the possibility that India could divert rivers in the time of war, caused political consternation in Pakistan. Holding diplomatic talks brokered by the World Bank, India and Pakistan signed the Indus Waters Treaty in 1960. The treaty gave India control of the three easternmost rivers of the Punjab, Sutlej, Beas and the Ravi, while Pakistan gained control of the three western rivers, Jhelum, Chenab and the Indus. India retained the right to use of the western rivers for non irrigation projects. (See discussion regarding a recent dispute about a hydroelectric project on the Chenab (not Indus) known as the Baghlighar project).

Hindu pilgrimage to holy sites alongside the river has been a source of conflict between the nations. Pakistan does generally allow Indian citizens to visit the country for religious purposes, However, owing to the volatile nature of bilateral relations, most pilgrimage and religious ceremonies are performed by Hindus in Kashmir.

There are concerns that extensive deforestation, industrial pollution and global warming are affecting the vegetation and wildlife of the Indus delta, while affecting agricultural production as well. There are also concerns that the Indus river may be shifting its course westwards - although the progression spans centuries. On numerous occasions, sediment clogging owing to poor maintenance of canals has affected agricultural production and vegetation. In addition, extreme heat has caused water to evaporate, leaving salt deposits that render lands useless for cultivation.

References

• World Atlas, Millennium Edition, pg 265.
• Jean Fairley, "The Lion River", Karachi, 1978

External links

• Blankonthemap The Northern Kashmir WebSite
• Bibliography on Water Resources and International Law See Indus River. Peace Palace Libray
• Northern Areas Development Gateway
• The Mountain Areas Conservancy Project
• Indus River watershed map (World Resources Institute)
• Indus Treaty
• Baglihar Dam issue
• Indus
• Indus Wildlife

     The Five Rivers of The Punjab     

Punjabi Names	Jhelum	Chenab	Ravi	Sutlej	Beas
Ancient Greek Names	Hydaspes	Acesines	Hydraotes	Satadru	Hyphasis
Sanskrit Names	Vitasta	Ashkini	Parushani	Shatadru	Arjiki

•  • [ e] The Rigveda
Mandalas	1 2 3 4 5 6 7 8 9 10
Deities	(Devas) Agni, Indra, Soma, Ushas (Asuras) Mitra, Varuna, Vrtra Visvedevas, Maruts, Ashvins
Rivers	Sapta Sindhu; Nadistuti; Sarasvati, Sindhu, Sarayu, Rasā
Rishis	Saptarishi; Gritsamada, Vishvamitra, Vamadeva, Atri, Angiras, Bharadvaja, Vasishta

•  • [ e] Punjab Geography
Chenab Ravi Jhelum Beas Satluj Sindh Hakra Sandal Bar Neeli Bar Ganji Bar Kirana Bar Kirana Mountain Range Suleman Mountain Range Shiwalik Mountain Range Thal Cholistan Murree Kallar Kahar Pothohar Plateau Salt Range Margalla Hills Majha Doaba Malwa Khewra Salt Mines Kachhi Chhachh Trimmu Headworks Soon Sakesar

•  • [ e] Waters of South Asia
Inland	Indus Ganges Yamuna Chenab Jhelum Brahmaputra Godavari Narmada Tapti Ravi Beas Sutlej Dudh Kosi Padma Sarasvati Krishna Kaveri Meghna Mahanadi Son Ghaghara Betwa Chambal Kosi Sapt Koshi Tamur Mo Chhu Sankosh Drangme Chhu Ganges Basin Ganges Delta Indus Delta Dal Lake Pookode Lake Skeleton Lake Chilka Lake Lake Powai Borith Lake Saiful Muluk Gosaikunda Nizam Sagar Red Hills Lake Malampuzha Kerala Backwaters
Off the Coast	Indian Ocean Arabian Sea Laccadive Sea Bay of Bengal Gulf of Kutch Gulf of Khambhat Palk Strait Gulf of Mannar
Main	Rivers of India

•  • [ e] Geography of South Asia
Himalayas	Himalaya Western Ghats Eastern Ghats Aravalli Range The Nilgiris Vindhya Range Satpura Range Garo Hills Shivalik Hills Khasi Hills Annamalai Hills Cardamom Hills Sulaiman Mountains Karakoram Hindu Kush Chittagong Hill Tracts Deccan Plateau Thar Desert Makran Chota Nagpur Naga Hills Mysore Plateau Ladakh Plateau
Coastal	Indo-Gangetic plain Indus River Delta Ganga basin Ganges Delta Atolls of Maldives Coromandel Coast Konkan Lakshadweep Andaman and Nicobar Islands Sundarbans Rann of Kutch Protected areas of Tamil Nadu
Main	India Pakistan Nepal Bhutan Sri Lanka Bangladesh The Maldives