Tuesday 8 April 2014

THE  INDUS RIVER :

·  The Indus River is a major river in Asia which flows through   
    Pakistan. It also has courses through western Tibet and
    Northern India. 
·   Length3,200 km
·  Discharge6,600 m³/s
·       Cities:  KarachiPeshawarRawalpindiGilgitThatta,

The Indus (known as Sindhu in ancient times) is the principal river of Pakistan. It flows from the Himalayas approximately southwest to the Arabian Sea. India is named after it. The Indus Valley Civilization was one of the oldest urban civilizations in the world.
The ultimate source of the Indus is actually in Tibet; it begins at the confluence of the Sengge River and Gar River that drain the Nganglong Kangri and Gangdise Shan ranges. The Indus then flows northwest through Kashmir just south of the Karakoram range, then gradually bends to the south, coming out of the hills between Peshawar and Rawalpindi. It is dammed in this area also, forming the Tarbela Reservoir. The remainder of its route to the sea is in plains of the Punjab and Sind, and the river becomes slow-flowing highly braided. Passing by Hyderabad, it ends in a large delta to the southeast of Karachi that has now been recognised by conservationists as one of the world's most important ecological regions.
The Indus River Dolphin, modern genetic studies show, lives both in the Indus River and in the Ganges. The two populations were formerly considered distinct species. It formerly occurred in the tributaries of the Indus also and may have extended into the northwestern extremities of the Indian Province of Punjab.
The Indus is one of the few rivers in the world that exhibit a tidal bore. A tidal bore (or just bore) is a tidal phenomenon in which the leading edge of the incoming tide forms a wave (or waves) of water that travel up a river against the direction of the current. As such, it is a true tidal wave.The Indus River plain is a vast expanse of fertile land, covering about 200,000 square miles (518,000 square km), with a gentle slope from the Himalayan piedmont in the north to the Arabian Sea in the south. The average gradient of the slope is no more than 1 foot per mile (1 metre per 5 km). Except for the micro relief, the plain is featureless. It is divisible into two sections, the upper and lower Indus plains, on account of their differing physiographic features.
 The upper Indus plain is drained by the Indus together with itstributaries,the JhelumChenabRaviBeas, and Sutlej rivers, forming a developed system of interfluves, known locally as doabs, in Punjab province (Persian panj āb, “five waters,” in reference to the five rivers). In the lower plain the Indus River has a Nilotic character; i.e., it forms a single large river with no significant tributaries. The plain narrows to form a corridor near Mithankot, where the Sulaiman Range comes close to the plain and the Indus merges with its last major tributary, the Panjnad River (which is itself merely the confluence of the five Punjab rivers). Flooding is a perennial problem, especially along the Indus, as a consequence of heavy rains (usually in July and August).



Indus, the Lion River
The Indus Valley Civilization
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From 25000 to 1700 BC, the Indus River irrigated the lands of a very articulatedcivilization that once thrived in a/ around the present day remains of Mohenjo Daro and Harapa.

The Indus Basin Water Treaty
At the time of partition, all water heads of rivers flowing in Pakistan went to India, thus seriously affecting the just distribution of water between the two countries. After hectic negotiations, the Indus Basin Water Treaty was signed between Pakistan and India in September 1969, in which the Bank had been an intermediary.
According to the Treaty, water of Rivers Indus, Jhelum and Chenab was guaranteed to Pakistan, while India was allowed to retain water of Rivers Ravi and Beas (Sutlej in Pakistan). In addition to construction of Mangla Dam to compensate for the shortage of water, seven link canals were also constructed for inter river shift of water. These are Rasool-Qadirabad, Qadirabad-Balloki, Ballok-Sulemanki, Chashma-Jhelum, Trimun-Sidhnai, Sidhnai-Mailsi and Taunsa-Panjnadh Links Canals.
However, lately India is violating the treaty by constructing the Baghliar Dam on River Chenab. Despite a number of meetings by secretaries of both the countries in 2004, the deadlock persists.



Indus Delta


If there was no Indus river, there would not have no people living in this part of the world. Originating from the glacial
Tibetan mountains, the Indus gushes into Pakistan with all its might and fright from the northern areas. Near Attock,
the River Kabul also joins this ferocious river and one can vividly see the blue Kabul River merging with the muddy Indus while standing on the bridge over Indus at Attock. Both join hands together and irrigate the entire length of Pakistan, approximately 2,900 km (1,800 mi), till it steadily calms down and fades away in the Arabia Sea. 
Besides Indus, four other rivers also enter Pakistan from the neighboring India, namely the Jhelum, Chenab, Ravi and Sutlej and all empty into the Indus to add to its might and power. The place where all these four rivers meet the Indus is known as "Panj Nadh (meaning in local language Five Rivers) south of the famous ancient city of Multan.
Having almost lost its impetus near the Arabia Sea, it fans out and forms the Indus Delta. Here the forests of mangroves and many a species of birds and fish flourish on the sweet waters of the Indus. The total area of the deltas that includes swamps and mangroves is approximately 225,000 hectares (556,000 acres). The port city of Karachi and marches of Ran of Kutch shoulder this delta during its final stages of journey. 

Cities that Indus Passes By: The Indus skirts and passes by the famous Attock, Bannu, Faisalabad, Multan, Khairpur, Sukkur, Larkana, Nawabshah, Mirpurkhas, Hyderabad  and finally embracing the Arabian Sea near the port city of Karachi (above).
The Indus Delta
The Indus Delta is the fifth largest delta in the world, characterized by high river discharge, moderate tides, and evidently the highest wave energy of any river in the world. The fan-shaped delta consists of creeks, estuaries, mud, sand, salt flats, mangrove habitat, marshes, sea bays, and straits and rocky shores. Its 129,000 ha. of mangrove, mostly Avicenna marina, comprises 97% of the total mangrove area in the country and is said to be the 7th largest mangrove forest in the world. The area is rich in archaeological and religious heritage.
The Indus River "Blind" Dolphin

The Indus River harbors the rare species of nearly blind dolphin. The dolphin lacks eye lenses and the eye openings are no bigger than a pinhole. As a result, these rely almost entirely on echolocation to forage for food and navigate in the murky river waters.
The Indus Dolphin has a long beak, a small, low hump, wide flippers and an adult can weigh 70- 90 kg. They are slow swimmers, but can move in rapid spurts. They breathe through their slit - like blowholes with a loud sound that is similar to a sneeze, and can be heard from quite a distance." It sometimes carries its young on its back, above the surface of the water. These are found in a localized 100 mile stretch between the Sukkur and Guddu Barrages in Indus River. The dolphin, also known as Indus Susu, is one of the five species of cetaceans that are threatened with extinction, presently no more than 500 animals remaining. The Indus dolphin has been a victim of both deliberate and accidental exploitation. ThePakistan Adventure Foundation, a project funded by the UN Development Programme, is trying to create awareness about the endangered blind dolphin through rafting expeditions and visiting riverside fishing communities.









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