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Tian Shan

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The Tian Shan is a massive system of mountain ranges located in Central Asia.

Tian Shan
Tian Shan

It is also known by the names Tengri Tagh or Tengir-Too. This range stretches approximately 2,900 kilometers starting from Tashkent, Uzbekistan. It sits north and west of the Taklamakan Desert. It is also located directly north of the Tarim Basin. The mountains straddle several borders. These include Kazakhstan, Kyrgyzstan, Uzbekistan, and the Xinjiang Region of China.

Seidenstrasse GMT Ausschnitt Zentralasien
Seidenstrasse GMT Ausschnitt Zentralasien

To the south, the range connects with the Pamir Mountains. To the north and east, it meets the Altai Mountains of Mongolia.

The mountains formed through a process called orogeny. This is the process of mountain building. The Tian Shan is part of the Himalayan orogenic belt. This belt was created during the Cenozoic era. It resulted from the collision of the Indian and Eurasian tectonic plates. This massive geological movement pushed the land upward to create the high peaks seen today. The mountains vary greatly in elevation. The highest point is the Turpan Depression, which sits below sea level. The highest peak is Jengish Chokusu, also called Victory Peak. This peak is shared by Kyrgyzstan and China. It is the highest point in Kyrgyzstan.

The Tian Shan is made of many different named ranges. In the east, the range includes the Bogda Shan. The Borohoro Mountains sit south of Ürümqi. These mountains separate Dzungaria from the Ili River basin. In the center, the mountains split into an "eye" shape.

Karakol Valley
Karakol Valley

This eye contains the large Issyk Kul Lake. The south side of the lake is the Terskey Alatau. The north side is the Kyungey Ala-Too. In Kazakhstan, the Trans-Ili Alatau runs south of Almaty. Other important ranges include the Talas Alatau and the Kyrgyz Ala-Too. The range also features the Aksu Canyon in its northwestern section.

History and exploration have shaped our understanding of the Tian Shan. Russian explorer Peter Semenov was among the first Europeans to document the area. He conducted extensive studies in the 1850s. He eventually changed his family name to refer to the mountains. The mountains have also held deep spiritual meaning. In the religion of Tengrism, the mountains are sacred. The second highest peak is Khan Tengri. This name can be translated as "Lord of the Spirits."

Yssykkoel-lake
Yssykkoel-lake

The mountains are also recognized globally. The eastern portion in China was named a World Heritage Site in 2013. The western portion was listed in 2016.

The climate in the Tian Shan is classified as an alpine climate. This means the weather is shaped by high altitudes. Permafrost, which is ground that stays frozen, is common here. Continuous permafrost forms above 3,500 to 3,700 meters. Discontinuous permafrost can be found as low as 2,000 meters in some spots. However, it usually stays between 2,700 and 3,300 meters. The glaciers in the range are currently changing rapidly. Since 1961, they have lost 5.4 billion tons of ice. This represents a loss of 27% of their mass. This rate is nearly four times the global average of 7%. Experts project that half of the remaining ice could disappear by 2050.

Nature in the Tian Shan is incredibly diverse. The mountains are home to forests of Schrenk's spruce.

Kuerdening valley china
Kuerdening valley china

Lower slopes contain wild walnuts and apples. Many important crops have roots here. Tulips originated in these mountains before traveling to Turkey via the Silk Road. The ancestors of the "sweet" apple also lived here. They likely looked like small, bitter fruits. Other ancestors of crops include apricots, pears, pomegranates, figs, cherries, and mulberries. Animals such as bears, deer, and wild boar live in the region. These animals help spread seeds to expand the ecosystem.

The Tian Shan is connected to many larger global systems. The mountains serve as a vital water source. The Syr Darya, Ili River, and Tarim River all originate here. The range also played a role in human history through the Silk Road. Even the bubonic plague, or Black Death, may have originated in this region. This strain of Y. pestis spread along the Silk Road in the mid-1300s. This event killed half of Europe's population. Thus, the mountains are linked to biology, climate, and human history.

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🖼️ Images & Media (6)
File:Seidenstrasse GMT Ausschnitt Zentralasien.jpg
Seidenstrasse GMT Ausschnitt Zentralasien.jpg
File:Kyrgyzstan Topography.png
Kyrgyzstan Topography.png
File:Tian Shan.jpg
Tian Shan.jpg
File:Karakol Valley.jpg
Karakol Valley.jpg
File:Yssykkoel-lake.jpg
Yssykkoel-lake.jpg
File:Kuerdening valley china.jpg
Kuerdening valley china.jpg
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