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Indus River

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The Indus River is a massive transboundary river in Asia.

The Indus river in the Kashmir region
The Indus river in the Kashmir region

It serves as a vital lifeline for South and Central Asia. The river is one of the 50 largest rivers in the world. This ranking is based on its average annual flow. It carries a huge amount of water through many different landscapes. The river supports diverse ecosystems ranging from temperate forests to arid countryside. It also provides essential water for heavy industries and large-scale agriculture.

The river begins high in the mountains of the Tibet Autonomous Region in China. In this area, it is known as the Sengge Zangbo. There is some debate regarding its exact starting point. The traditional source is a perennial spring called the Sênggê Kanbab. This spring is located near the sacred Mount Kailash. Some researchers suggest the source is a small lake northeast of the mountain. Others believe the river begins at the confluence of the Sênggê Zangbo and Gar Tsangpo rivers.

Indus river near Leh
Indus river near Leh

The Indus is fed by snow and glaciers from three major mountain ranges. These are the Himalayas, the Karakoram, and the Hindu Kush. Geologically, the headwaters flow along the Indus-Yarlung suture zone. This zone marks where the Indian plate collided with the Eurasian plate. This massive collision happened approximately 50 million years ago during the Early Eocene. The rising mountains continually diverted the courses of Eurasian rivers. These rivers now define the western and eastern limits of the mountain range.

The river follows a complex path through several different territories. It flows northwest through the disputed Kashmir region. It passes through Indian-administered Ladakh and Pakistani-administered Gilgit-Baltistan.

The river makes a sharp left bend after the Nanga Parbat massif. It then flows south-by-southwest through Pakistan. Along its journey, many tributaries join the main stem. The Shyok, Gilgil, and Kabul rivers are principal right-bank tributaries. On the left bank, the Zanskar River flows into the Indus in Ladakh. In the plains, the Panjnad River joins the Indus. The Panjnad is formed by five rivers: the Chenab, Jhelum, Ravi, Beas, and Sutlej.

Measuring the length of the Indus can be difficult. Different sources provide different figures for its total distance. The 1909 Imperial Gazetteer of India recorded it as just over 1,800 miles. Modern sources often use a shorter figure of 2,500 kilometers. However, many modern publications use a longer measurement of 3,180 kilometers. A Chinese research group suggested an even longer figure in 2011. They used satellite imagery and ground expeditions to find an alternative source.

Sukkur Skyline along the shores of the River Indus
Sukkur Skyline along the shores of the River Indus

The Indus has a deep history with human civilization. During the 3rd millennium BC, the Indus Valley Civilisation emerged. This was a major urban civilization of the Bronze Age. It included large cities like Harappa and Mohenjo-daro.

IVC-major-sites-2
IVC-major-sites-2

Scientists have discovered over 1,052 different settlements from this era. Many important inscribed objects and seals were found along the river. In the 2nd millennium BC, the river was mentioned in religious texts. The Rigveda refers to the river as the Sindhu. The name "India" itself is actually derived from the name of this river.

The river's behavior changes significantly with the seasons. The flow diminishes greatly during the winter months. However, the river often floods its banks during the monsoon season. This occurs between July and September.

Indus flooding 2010 en
Indus flooding 2010 en

The river also exhibits a rare phenomenon called a tidal bore. This happens when ocean tides push into the river mouth. The lower course ends in a large delta in Pakistan's Sindh province.

Fishermen on the Indus
Fishermen on the Indus

This delta is located south of the city of Thatta. The river remains a central part of the region's economy and culture.

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🖼️ Images & Media (8)
File:The Indus river in the Kashmir region.jpg
The Indus river in the Kashmir region.jpg
File:IVC-major-sites-2.jpg
IVC-major-sites-2.jpg
Indus Nanga Parbat Himalayas from Khyber...
File:Indus river near Leh.jpg
Indus river near Leh.jpg
File:Fishermen on the Indus.jpeg
Fishermen on the Indus.jpeg
File:Sukkur Skyline along the shores of the River Indus.jpg
Sukkur Skyline along the shores of the...
File:Mohana Community of indus river.jpg
Mohana Community of indus river.jpg
File:Indus flooding 2010 en.svg
Indus flooding 2010 en.svg
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