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Ruo Shui
Ejin River (), also Etsin Gol, Ruo Shui () or Ruo He in ancient times, is a major river system of northern China. It flows approximately from its headwaters on the northern Gansu side of the Qilian Mountains north-northeast into the endorheic Ejin Basin in the Gobi Desert. The river forms one of the largest inland deltas or alluvial fans in the world. Its drainage basin covers about in parts of the Chinese provinces of Gansu and Inner Mongolia, which flows within the Zhangye area of Gansu; when it flows across Jiuquan area, it was renamed as Ruo Shui; when it flows across Alxa League, it is called Ejin River. History About 2,000 years ago, the river was said to have a much more abundant flow than it does today and thus its perennial reaches stretched much farther out into the desert than it does today. Parts of the river flow through the Hexi Corridor, a valley which once formed a significant portion of the Silk Road. The upper section of the river, also known as the Heihe ( ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gansu
Gansu (, ; alternately romanized as Kansu) is a province in Northwest China. Its capital and largest city is Lanzhou, in the southeast part of the province. The seventh-largest administrative district by area at , Gansu lies between the Tibetan and Loess plateaus and borders Mongolia ( Govi-Altai Province), Inner Mongolia and Ningxia to the north, Xinjiang and Qinghai to the west, Sichuan to the south and Shaanxi to the east. The Yellow River passes through the southern part of the province. Part of Gansu's territory is located in the Gobi Desert. The Qilian mountains are located in the south of the Province. Gansu has a population of 26 million, ranking 22nd in China. Its population is mostly Han, along with Hui, Dongxiang and Tibetan minorities. The most common language is Mandarin. Gansu is among the poorest administrative divisions in China, ranking 31st, last place, in GDP per capita as of 2019. The State of Qin originated in what is now southeastern Gansu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mongol
The Mongols ( mn, Монголчууд, , , ; ; russian: Монголы) are an East Asian ethnic group native to Mongolia, Inner Mongolia in China and the Buryatia Republic of the Russian Federation. The Mongols are the principal member of the large family of Mongolic peoples. The Oirats in Western Mongolia as well as the Buryats and Kalmyks of Russia are classified either as distinct ethno-linguistic groups or subgroups of Mongols. The Mongols are bound together by a common heritage and ethnic identity. Their indigenous dialects are collectively known as the Mongolian language. The ancestors of the modern-day Mongols are referred to as Proto-Mongols. Definition Broadly defined, the term includes the Mongols proper (also known as the Khalkha Mongols), Buryats, Oirats, the Kalmyk people and the Southern Mongols. The latter comprises the Abaga Mongols, Abaganar, Aohans, Baarins, Chahars, Eastern Dorbets, Gorlos Mongols, Jalaids, Jaruud, Kharchins, Khishi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stream Gauge
A stream gauge, streamgage or stream gauging station is a location used by hydrologists or environmental scientists to monitor and test terrestrial bodies of water. Hydrometric measurements of water level surface elevation (" stage") and/or volumetric discharge (flow) are generally taken and observations of biota and water quality may also be made. The locations of gauging stations are often found on topographical maps. Some gauging stations are highly automated and may include telemetry capability transmitted to a central data logging facility. Measurement equipment Automated direct measurement of streamflow discharge is difficult at present. In place of the direct measurement of streamflow discharge, one or more surrogate measurements can be used to produce discharge values. In the majority of cases, a stage (the elevation of the water surface) measurement is used as the surrogate. Low gradient (or shallow-sloped) streams are highly influenced by variable downstream ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Precipitation
In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds. The main forms of precipitation include drizzle, rain, sleet, snow, ice pellets, graupel and hail. Precipitation occurs when a portion of the atmosphere becomes saturated with water vapor (reaching 100% relative humidity), so that the water condenses and "precipitates" or falls. Thus, fog and mist are not precipitation but colloids, because the water vapor does not condense sufficiently to precipitate. Two processes, possibly acting together, can lead to air becoming saturated: cooling the air or adding water vapor to the air. Precipitation forms as smaller droplets coalesce via collision with other rain drops or ice crystals within a cloud. Short, intense periods of rain in scattered locations are called showers. Moisture that is lifted or otherwise forced to rise over a layer of sub-freezing air at the surface may be condensed into ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Orography
Orography is the study of the topographic relief of mountains, and can more broadly include hills, and any part of a region's elevated terrain. Orography (also known as ''oreography'', ''orology'' or ''oreology'') falls within the broader discipline of geomorphology. The term orography comes from the Greek: , hill, , to write. Uses Mountain ranges and elevated land masses have a major impact on global climate. For instance, the elevated areas of East Africa substantially determine the strength of the Indian monsoon.Srinivasan, J., Nanjundiah, Ravi S. and Chakraborty, Arindam (2005Impact of Orography on the Simulation of Monsoon Climate in a General Circulation Model''Indian Institute of Science'' In scientific models, such as general circulation models, orography defines the lower boundary of the model over land. When a river's tributaries or settlements by the river are listed in 'orographic sequence', they are in order from the highest (nearest the source of the river) to th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Loam
Loam (in geology and soil science) is soil composed mostly of sand ( particle size > ), silt (particle size > ), and a smaller amount of clay (particle size < ). By weight, its mineral composition is about 40–40–20% concentration of sand–silt–clay, respectively. These proportions can vary to a degree, however, and result in different types of loam soils: sandy loam, silty loam, clay loam, sandy clay loam, silty clay loam, and loam. In the , textural classification triangle, the only soil that is not predominantly sand, silt, or clay is called "loam". Loam soils generally contain more nutrients, moisture, and |
Sea Level
Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardised geodetic datumthat is used, for example, as a chart datum in cartography and marine navigation, or, in aviation, as the standard sea level at which atmospheric pressure is measured to calibrate altitude and, consequently, aircraft flight levels. A common and relatively straightforward mean sea-level standard is instead the midpoint between a mean low and mean high tide at a particular location. Sea levels can be affected by many factors and are known to have varied greatly over geological time scales. Current sea level rise is mainly caused by human-induced climate change. When temperatures rise, mountain glaciers and the polar ice caps melt, increasing the amount of water in water bodies. Because most of human settlement and in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jiuquan Satellite Launch Center
Jiuquan Satellite Launch Center (JSLC; also known as Shuangchengzi Missile Test Center; Launch Complex B2; formally Northwest Comprehensive Missile Testing Facility (); Base 20; 63600 Unit) is a Chinese space vehicle launch facility ( spaceport) located in the Gobi Desert, Inner Mongolia. It is part of the Dongfeng Aerospace City (Base 10). Although the facility is geographically located within Ejin Banner of Inner Mongolia's Alxa League, it is named after the nearest city, Jiuquan in Gansu Province. The launch center straddles both sides of the Ruo Shui river. History It was founded in 1958, the first of China's four spaceports. As with all Chinese launch facilities, it is remote and generally closed to foreigners. The Satellite Launch Center is a part of Dongfeng Space City (), also known as ''Base 10'' () or ''Dongfeng base'' (). The Dongfeng site also includes People's Liberation Army Air Force (PLAAF) test flight facilities, a space museum and a so-called ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John DeFrancis
John DeFrancis (August 31, 1911January 2, 2009) was an American linguist, sinologist, author of Chinese language textbooks, lexicographer of Chinese dictionaries, and Professor Emeritus of Chinese Studies at the University of Hawaii at Mānoa. Biography John DeFrancis was born in Bridgeport, Connecticut in a family of modest Italian immigrant origins. His father, a laborer (who changed his name from DeFrancesco), died when DeFrancis was a young child. His mother was illiterate. After graduating from Yale University in 1933 with a BA in economics, DeFrancis sailed to China with the intent of studying Chinese and working in business. In 1935, he accompanied H. Desmond Martin, a Canadian military historian,cf. Desmond, Henry Martin, ''The rise of Chingis Khan and his conquest of North China'', introduction by Owen Lattimore, edited by Eleanor Lattimore (Johns Hopkins Press, 1950) on a several-thousand-mile trip retracing the route of Genghis Khan through Mongolia and northwe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pyotr Kuzmich Kozlov
Pyotr Kuzmich Kozlov (russian: Пётр Кузьми́ч Козло́в; 3 October 1863 in Dukhovshchina – 26 September 1935 in Peterhof) was a Russian and Soviet traveller and explorer who continued the studies of Nikolai Przhevalsky in Mongolia and Tibet. Although prepared by his parents for a military career, Kozlov chose to join Nikolai Przhevalsky's expedition. After his mentor's death, Kozlov continued traveling in Asia with Przhevalsky's successors, Pevtsov and Roborovsky. In 1895 he took general command of the expedition from ailing Roborovsky. From 1899 to 1901 he explored and later described in a book the upper reaches of the Yellow River, Yangtze, and Mekong rivers, for which he received the Constantine Medal in 1902. During the first decade of the 20th century, when the Great Game reached its peak, Kozlov rivaled Sven Hedin and Aurel Stein as the foremost researcher of Xinjiang. Although he was on good terms with Hedin and other foreign explorers, the Britis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ming Dynasty
The Ming dynasty (), officially the Great Ming, was an imperial dynasty of China, ruling from 1368 to 1644 following the collapse of the Mongol-led Yuan dynasty. The Ming dynasty was the last orthodox dynasty of China ruled by the Han people, the majority ethnic group in China. Although the primary capital of Beijing fell in 1644 to a rebellion led by Li Zicheng (who established the short-lived Shun dynasty), numerous rump regimes ruled by remnants of the Ming imperial family—collectively called the Southern Ming—survived until 1662. The Ming dynasty's founder, the Hongwu Emperor (r. 1368–1398), attempted to create a society of self-sufficient rural communities ordered in a rigid, immobile system that would guarantee and support a permanent class of soldiers for his dynasty: the empire's standing army exceeded one million troops and the navy's dockyards in Nanjing were the largest in the world. He also took great care breaking the power of the court eunuchs and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Khara-Khoto
Khara-Khoto (; mn, Khar Khot; "black city") is an abandoned city in the Ejin Banner of Alxa League in western Inner Mongolia, China, near the Juyan Lake Basin. Built in 1032, the city thrived under the rule of the Western Xia dynasty. It has been identified as the city of Etzina, which appears in ''The Travels of Marco Polo'', and Ejin Banner is named after this city. Name Khara-Khoto is known by many names, including Hēichéng ''"black city"'', Tangut: /*zjɨ̱r²-nja̱¹/ ''"black water"'' (transcribed into Chinese as 亦集乃 ''Yijinai''), Modern Mongolian Khar khot (Middle Mongol language: Khara Khoto, ''"black city"'') and to Chinese as Heishui City ( Hēishuǐchéng, ''"black water city"''). History The city was founded in 1032 and became a thriving center of Western Xia trade in the 11th century. There are remains of -high ramparts and -thick outer walls. The outer walls ran for some east-west by north-south. The walled fortress was first taken by Genghis Khan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
