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Lake Namtso North of the Nyainqêntanglha Mountains, Tibet

30.7N 90.5E

November 24th, 2009 Category: Lakes

Tibet, China - November 15th, 2009

Tibet, China - November 15th, 2009

North of the Himalayas, the lakes of Tibet’s fittingly named “Lakes Region” appear in various shapes and sizes. The two largest lakes visible here on the Tibetan Plateau are Siling Co (left) and Namtso (center).

Lake Namtso or Lake Nam, meaning heavenly lake, is a mountain lake just north of the Nyenchen Tanglha, or Nyainqêntanglha, a mountain range which lies approximately 300 kilometers northwest of Lhasa in central Tibet. The mountain range has more than thirty peaks over 6,000 metres high, and four are more than 7,000 metres high.

A peculiarity of Lake Namtso is that it is the highest salt lake in the world, lying at an elevation of 4,718 m. It is also the largest salt lake in the Tibet Autonomous Region of China, although it is not the largest salt lake on the Qinghai-Tibetan Plateau.

Siling Co and the Tibetan Lakes Region – June 14th, 2009

31.8N 89.0E

June 14th, 2009 Category: Image of the day, Lakes

Tibet - June 8th, 2009

Tibet - June 8th, 2009

Siling Co Lake

Siling Co Lake

Physically, Tibet may be divided into two parts, the “lake region” and the “river region”.

The former, which is about 1100 km (700 mi) wide and covers an area about equal to that of France, is visible here in western and north-western Tibet, is visible here, north of the Himalayas.

These mountains create a rain shadow, causing the region to receive little rain. This and the fact that the region is located a great distance from the ocean and has no river outlet, make the terrain an arid and wind-swept desert.

Lakes of various shapes and sizes speckle the dry brown landscape, including the salty Lake Siling Co. Both salt and freshwater lakes can be found; mineral deposits including soda, potash, borax and salt are common, as the lakes generally have no outlet through which to drain.

Salt and Freshwater Lakes in Tibet’s Lake Region – February 3rd, 2009

February 3rd, 2009 Category: Image of the day, Lakes

Lakes in Tibet - January 22nd, 2009

Lakes in Tibet - January 22nd, 2009

This sharp full resolution image of a part of Tibet’s lake region, which extends from near the source of the Indus River, to the sources of the Salween, the Mekong and the Yangtze Rivers. It is some 1100 km (700 mi) broad, and covers an area about equal to that of France.

The lake region is an arid and wind-swept desert. It receives limited amounts of rainfall as its lies in the rain shadow of the Himalayas. Also, due to its great distance from the ocean it is extremely dry and possesses no river outlet.

The mountain ranges within this region are spread out, rounded, disconnected, separated by flat valleys relatively of little depth.

Due to the presence of discontinuous permafrost over the Chang Tang, the soil is boggy and covered with tussocks of grass, thus resembling the Siberian tundra.

The country is dotted over with large and small lakes, generally salt or alkaline, and intersected by streams, which can be seen clearly running amidst the mountains, upon opening the full image.

Salt and fresh-water lakes are intermingled, as can be observed from the mix of whitish grey salt lakes and greenish blue lakes. The largest saltwater lake visible is Siling Co, in the upper right.

The lakes are generally without outlet, or have only a small effluent. The deposits consist of soda, potash, borax and common salt.

The lake region is also noted for a vast number of hot springs. However, the cold in this part of Tibet is so intense that these springs are sometimes represented by columns of ice, the nearly boiling water having frozen in the act of ejection.

source Wikipedia

Lakes in Tibet – November 10th, 2008

November 10th, 2008 Category: Image of the day, Lakes

Lakes in Tibet, North of the Himalayas - November 7th, 2008

Lakes in Tibet, North of the Himalayas - November 7th, 2008

Close-up of lakes

Close-up of lakes

In the upper half of this image we can see many lakes in Tibet, just North of the border with Nepal.

The lake on the right surrounded by snow is Lake Namtso (Nam Co), the highest salt lake in the world. It lies at an elevation of 4,718 m, and has a surface area of 1,870 square kilometres.

To the West, the next large body of water is Siling Co, with Lake Gering to the South. Moving westward, other lakes include Lake Ngangze, Tangra Yamco, Zhari Namco, and Xuru Co.

Tibet is a plateau region in Central Asia with an average elevation of 4,900 metres (16,000 ft). It is the highest region on Earth and is commonly referred to as the “Roof of the World.”

The Tibetan climate is severely dry nine months of the year, with an average annual snowfall of only 18 inches due to the rain shadow effect (whereby mountain ranges prevent moisture from the ocean from reaching the plateaus). Western passes receive small amounts of fresh snow each year but remain traversable all year round.

Photograph of Lake Namtso

Photograph of Lake Namtso

Low temperatures are prevalent throughout the western regions. The Indian monsoon exerts some influence on eastern Tibet. Northern Tibet is subject to high temperatures in the summer and intense cold in the winter.

In the middle right portion of the image, in the Himalayas on the Nepalese-Tibetan border, we can see Mount Everest. It is the highest mountain on Earth, with a summit of 8,848m (29,029ft) above sea level.

In the lower, greener section of the image we can see India and the Ganges River. The grey patch on the lower left is due to smoke from fires burning in India at that time.

source Wikipedia

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