Tibet roof of the world

Tibet Sexy Lingerie Autonomous Region average altitude of 4000 meters, is the main part of the Qinghai-Tibet Plateau, the "roof of the world," said. Complex terrain, can be roughly divided into three different natural areas: the northern part of the northern Tibetan Plateau, located between the Kunlun Mountains, Tanggula and Kailash, nyainqentanglha Hill, accounting for two-thirds of the autonomous region area; Gangdese mountain between the Himalayas and the Yarlung Zangbo River and its tributaries flowing through the place, the Valley of southern Tibet; eastern Tibet is a mountain and canyon area is turning into a north-south by east-west mountains and deep valleys, is well-known the part of the Hengduan Mountains. Landforms basically be divided into six types of high mountains, alpine, Zhongshan, low mountains, hills and plains, periglacial geomorphology, karst landforms, aeolian landforms, volcanic landforms.
Over 20 in the Tibet Autonomous Region, watershed area of ​​more than 10 thousand square kilometers of rivers and river drainage area greater than 2000 square kilometers more than 100. The famous rivers Jinsha River, Nujiang, Lancang and Yarlung Zangbo River. Tibet or international rivers, the distribution of one of the largest Chinese provinces, autonomous regions, Asia's famous Ganges, Indus, Brahmaputra, Mekong, Salween, Irrawaddy River and other rivers on the source here. Tibetan rivers in the rain, snowmelt and groundwater composition, flow, sediment, water quality is good. The Yarlung Zangbo River in Tibet's rivers, Zhongba County originated in the Himalayas, the northern foot of the Pierre Yangzom glaciers, Luo Yu region into India, known as the Brahmaputra. The Brahmaputra length of 2057 km, a drainage area of ​​more than 240,000 square kilometers, the basin average altitude of 4,500 meters, the highest elevation of the river in the world.
On the vast Tibetan plateau, dotted with small lakes over 1500, including the area over 1000 square kilometers Namco, Selincuo a the Zhaxi Nan wooden wrong? More than 100 square kilometers of lakes have 47. Namco is also the world's highest lakes. The lake area of ​​24,183 square kilometers, accounting for about one-third of the total lake area in China. The Tibetan Plateau is not only China's largest lakes-intensive areas; on the lake is the world's highest range maximum, the largest number of Plateau Lakes. The lakes, lagoons, freshwater lakes, the lake over 5000 meters above sea level 17, their area of ​​50 square kilometers.
Complex and varied topography of the Tibetan plateau, forming a unique plateau climate. In addition to showing the overall trend of Northwest cold and dry, southeast of warm and humid, there are a variety of regional climate and distinct vertical climatic zones. Ten different days, one day Four Seasons "and other proverbs that reflect these characteristics. Compared with most parts of China, the thin Tibetan air, abundant sunshine, low temperatures and less precipitation. Tibetan plateau here every cubic meter of air containing oxygen only about 150 ─ 170 grams, the equivalent of 62% to 65.4% of the plains. In most parts of the warmest monthly average temperature below 15 ℃, in January and July average temperature 15 ~ 20 ° C lower than the same latitude, the eastern plains.