1.
Chinese language
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Chinese is a group of related, but in many cases mutually unintelligible, language varieties, forming a branch of the Sino-Tibetan language family. Chinese is spoken by the Han majority and many ethnic groups in China. Nearly 1.2 billion people speak some form of Chinese as their first language, the varieties of Chinese are usually described by native speakers as dialects of a single Chinese language, but linguists note that they are as diverse as a language family. The internal diversity of Chinese has been likened to that of the Romance languages, There are between 7 and 13 main regional groups of Chinese, of which the most spoken by far is Mandarin, followed by Wu, Min, and Yue. Most of these groups are mutually unintelligible, although some, like Xiang and certain Southwest Mandarin dialects, may share common terms, all varieties of Chinese are tonal and analytic. Standard Chinese is a form of spoken Chinese based on the Beijing dialect of Mandarin. It is the language of China and Taiwan, as well as one of four official languages of Singapore. It is one of the six languages of the United Nations. The written form of the language, based on the logograms known as Chinese characters, is shared by literate speakers of otherwise unintelligible dialects. Of the other varieties of Chinese, Cantonese is the spoken language and official in Hong Kong and Macau. It is also influential in Guangdong province and much of Guangxi, dialects of Southern Min, part of the Min group, are widely spoken in southern Fujian, with notable variants also spoken in neighboring Taiwan and in Southeast Asia. Hakka also has a diaspora in Taiwan and southeast Asia. Shanghainese and other Wu varieties are prominent in the lower Yangtze region of eastern China, Chinese can be traced back to a hypothetical Sino-Tibetan proto-language. The first written records appeared over 3,000 years ago during the Shang dynasty, as the language evolved over this period, the various local varieties became mutually unintelligible. In reaction, central governments have sought to promulgate a unified standard. Difficulties have included the great diversity of the languages, the lack of inflection in many of them, in addition, many of the smaller languages are spoken in mountainous areas that are difficult to reach, and are often also sensitive border zones. Without a secure reconstruction of proto-Sino-Tibetan, the structure of the family remains unclear. A top-level branching into Chinese and Tibeto-Burman languages is often assumed, the earliest examples of Chinese are divinatory inscriptions on oracle bones from around 1250 BCE in the late Shang dynasty
2.
Pinyin
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Pinyin, or Hànyǔ Pīnyīn, is the official romanization system for Standard Chinese in mainland China, Malaysia, Singapore, and Taiwan. It is often used to teach Standard Chinese, which is written using Chinese characters. The system includes four diacritics denoting tones, Pinyin without tone marks is used to spell Chinese names and words in languages written with the Latin alphabet, and also in certain computer input methods to enter Chinese characters. The pinyin system was developed in the 1950s by many linguists, including Zhou Youguang and it was published by the Chinese government in 1958 and revised several times. The International Organization for Standardization adopted pinyin as a standard in 1982. The system was adopted as the standard in Taiwan in 2009. The word Hànyǔ means the language of the Han people. In 1605, the Jesuit missionary Matteo Ricci published Xizi Qiji in Beijing and this was the first book to use the Roman alphabet to write the Chinese language. Twenty years later, another Jesuit in China, Nicolas Trigault, neither book had much immediate impact on the way in which Chinese thought about their writing system, and the romanizations they described were intended more for Westerners than for the Chinese. One of the earliest Chinese thinkers to relate Western alphabets to Chinese was late Ming to early Qing Dynasty scholar-official, the first late Qing reformer to propose that China adopt a system of spelling was Song Shu. A student of the great scholars Yu Yue and Zhang Taiyan, Song had been to Japan and observed the effect of the kana syllabaries. This galvanized him into activity on a number of fronts, one of the most important being reform of the script, while Song did not himself actually create a system for spelling Sinitic languages, his discussion proved fertile and led to a proliferation of schemes for phonetic scripts. The Wade–Giles system was produced by Thomas Wade in 1859, and it was popular and used in English-language publications outside China until 1979. This Sin Wenz or New Writing was much more sophisticated than earlier alphabets. In 1940, several members attended a Border Region Sin Wenz Society convention. Mao Zedong and Zhu De, head of the army, both contributed their calligraphy for the masthead of the Sin Wenz Societys new journal. Outside the CCP, other prominent supporters included Sun Yat-sens son, Sun Fo, Cai Yuanpei, the countrys most prestigious educator, Tao Xingzhi, an educational reformer. Over thirty journals soon appeared written in Sin Wenz, plus large numbers of translations, biographies, some contemporary Chinese literature, and a spectrum of textbooks
3.
Yellow River
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The Yellow River or Huang He is the second-longest river in Asia, following the Yangtze River, and the sixth-longest river system in the world at the estimated length of 5,464 km. Originating in the Bayan Har Mountains in Qinghai province of western China, it flows through nine provinces, the Yellow River basin has an east–west extent of about 1,900 kilometers and a north–south extent of about 1,100 km. Its total basin area is about 742,443 square kilometers and its basin was the birthplace of ancient Chinese civilization, and it was the most prosperous region in early Chinese history. Early Chinese literature including the Yu Gong or Tribute of Yu dating to the Warring States period refers to the Yellow River as simply 河, the first appearance of the name 黃河 is in the Book of Han written during the Eastern Han dynasty about the Western Han dynasty. The adjective yellow describes the color of the muddy water in the lower course of the river. One of its older Mongolian names was the Black River, because the river runs clear before it enters the Loess Plateau, in Mongolia itself, it is simply called the Šar Mörön. In Qinghai, the rivers Tibetan name is River of the Peacock above sea level they are the two largest plateau freshwater lakes nationwide, flowing east at the eastern edge of the Amne Machin Mountains, the Yellow River enters Maqu County in Gansu. Here, the river skirts through the peat bog known as the Zoigê Wetlands. Flowing now along the edge of Amne Machin, the river reenters Qinghai. The valley section stretches from Longyang Gorge in Qinghai to Qingtong Gorge in Gansu, steep cliffs line both sides of the river. The water bed is narrow and the drop is large, so the flow in this section is extremely turbulent. There are 20 gorges in this section, the most famous of these being the Longyang, Jishi, Liujia, Bapan, the flow conditions in this section makes it the best location for hydroelectric plants. The Yellow River exits Qinghai for the second and final time in these gorges, downstream from the Yanguo Gorge, the provincial capital of Lanzhou is built upon the Yellow Rivers banks. The Yellow River flows northeasterly out of Gansu and into Ningxia before the Qingtong Gorge, after emerging from the Qingtong Gorge, the river comes into a section of vast alluvial plains, the Yinchuan Plain and Hetao Plain. In this section, the regions along the river are mostly deserts and grasslands, the Hetao Plain has a length of 900 km and width of 30 to 50 km. It is historically the most important irrigation plain along the Yellow River, the Ordos Loop formed by an enormous twist of the Yellow River, beginning at Zhongning County in Ningxia and ending with a drastic eastward turn at its confluence with the Wei at Tongguan in Shaanxi. However, the division for the middle reaches of the river run from Hekou in Togtoh County, Inner Mongolia, to Zhengzhou. The middle reaches are 1,206 km long, with an area of 344,000 square kilometers,45. 7% of the total, with a total elevation drop of 890 m
4.
Alluvial plain
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An alluvial plain is a largely flat landform created by the deposition of sediment over a long period of time by one or more rivers coming from highland regions, from which alluvial soil forms. As the highlands due to weathering and water flow, the sediment from the hills is transported to the lower plain. Various creeks will carry the water further to a river, lake, bay, as the sediments are deposited during flood conditions in the floodplain of a creek, the elevation of the floodplain will be raised. As this reduces the channel capacity, the creek will, over time, seek new, lower paths. These processes, over time, will form the plain. The NCSS glossary instead suggests flood plain
5.
Taihang Mountains
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The Taihang Mountains are a Chinese mountain range running down the eastern edge of the Loess Plateau in Shanxi, Henan and Hebei provinces. The range extends over 400 kilometres from north to south and has an elevation of 1,500 to 2,000 metres. The principal peak is Xiao Wutaishan, cangyan Shan in Hebei forms the eastern tip of the Taihang range. The name of Shanxi Province, meaning west of the mountains, derives from its location west of the Taihang Mountains, the Red Flag Canal is located on the south edge of the Taihang Mountains. The Shitai Passenger Railway crosses under the Taihang Mountains via the Taihang Tunnel, a Walk in the Taihang Mountains
6.
Dabie Mountains
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The Dabie Mountains are a major mountain range located in central China. Running northwest-to-southeast, they form the watershed between the Huai and Yangtze rivers. The range also marks the boundary between Hubei Province and its neighbors of Henan and Anhui, the western part of Dabie Mountains has a low elevation of only 1, 000–1,300 feet, though there are a few peaks rising to 3,000 feet. The eastern part is higher, averaging more than 3,300 feet, the highest peak is Mount Tianzhu at 5,820 feet, with several others topping 5,000 feet including the 1,729.13 metres high Tiantangzhai. The range is forested and yields valuable bamboo as well as oak, particularly cork oak. The region is poor, and subsistence agriculture is the heart of its economy with rice. The main transportation route across the range is from Macheng in Hubei to Huangchuan in Hunan. The main rail and road crossings go north from Wuhan, through the lower elevations, in 2009, the high-speed Hewu Passenger Railway opened, connecting Hefei with Wuhan along a short direct route. It uses a number of tunnels when crossing the Dabie range, geologically, the range is a complex, stressed structure, making it and the surrounding area subject to earthquakes. It caused tremors in Qichun County in Hubei province and beyond and this scenic park centered on Tiantangzhai is a key tourist attraction in the highest part of the Dabie mountain range. Total area of the park is 300 square kilometers, dabeishan International Forest Park website, in Chinese. Huanggang Government website page on Dabie Mountains
7.
Yellow Sea
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The Yellow Sea is the name given to the northern part of the East China Sea, which is a marginal sea of the Pacific Ocean. It is located between mainland China and the Korean Peninsula and its name comes from the sand particles from Gobi Desert sand storms that turn the surface of the water golden yellow. The innermost bay of the Yellow Sea is called the Bohai Sea, into it flow both the Yellow River and Hai He. Deposits of sand and silt from those rivers contribute to the sea colour, the northern extension of the Yellow Sea is called the Korea Bay. The Yellow Sea is one of four seas named after common colour terms — the others being the Black Sea, the Red Sea, the International Hydrographic Organization defines the limits of the Yellow Sea as follows, On the South. The parallel of 33°17 North from Saisyu To to the mainland. The Yellow Sea, excluding the Bohai, extends by about 960 km from north to south and about 700 km from east to west, it has an area of about 380,000 km2 and the volume of about 17,000 km3. Its depth is only 44 m on average, with a maximum of 152 m, the sea is a flooded section of continental shelf that formed after the last ice age as sea levels rose 120 m to their current levels. The sea bottom is slowly rising toward China and more rapidly at the Korean Peninsula, the depth gradually increases from north to south. The sea bottom and shores are dominated by sand and silt brought by the rivers through the Bohai Sea and those deposits, together with sand storms are responsible for the yellow water color and the sea name. The area has cold, dry winters with strong northerly monsoons blowing from late November to March, average January temperatures are −10 °C in the north and 3 °C in the south. Summers are wet and warm with frequent typhoons between June and October, air temperatures range between 10 and 28 °C. The average annual precipitation increases from about 500 mm in the north to 1,000 mm in the south, fog is frequent along the coasts, especially in the upwelling cold-water areas. The sea has a warm cyclone current and it is a part of the Kuroshio Current, which diverges near the western part of Japan and flows northward into the Yellow Sea at the speed of below 0.8 km/h. Southward currents prevail near the sea coast, especially in the monsoon period. The water temperature is close to freezing in the part in winter, so drift ice patches and continuous ice fields form. The water temperature and salinity are homogeneous across the depth, the southern waters are warmer at 6–8 °C. In spring and summer, the layer is warmed up by the sun and diluted by the fresh water from rivers, while the deeper water remains cold
8.
Sanmenxia Dam
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The Sanmenxia Dam is a concrete gravity dam on the middle-reaches of the Yellow River near Sanmenxia Gorge on the border between Shanxi province and Henan Province, China. The dam is multi-purpose and was constructed for flood and ice control along with irrigation, construction began in 1957 and was completed in 1960. It is the first major water project on the Yellow River and was viewed as a major achievement of the new Peoples Republic of China. Subsequently, its image was printed on the bank notes. However, due to sediment accumulation in the reservoir, the dam later had to be re-engineered and renovated, the effects from sediment, which include flooding upstream, have placed the dam at the center of controversy and criticism-related arrests by the Chinese government. In response to centuries of flooding on the Yellow River, engineers proposed the Sanmenxia Dam in early 1935. In 1954, the Yellow River Planning Board was established and oversaw a survey of the river with help from Soviet engineers, the Soviet engineers recommended a dam at the Sanmenxia site. Original plans for the dam called for a reservoir level 360 m above sea level. This would have required the relocation of 870,000 people, the design was revised to a maximum level of 340 m ASL which required the relocation of 400,000 people and flooded much less area. In 1955 the Comprehensive River Basin Planning Report officially proposed the project, the report was submitted to the National Peoples Congress and swiftly approved that same year while preliminary construction began soon after. Under Soviet Union supervision, construction began on 13 April 1957. Construction on the left-bank cofferdam began in June 1957 and excavation was completed a year later along with the pouring of the left-bank foundation, in October 1958, construction on the right-bank cofferdam was initiated and the river was closed by November 1958. In June 1960, the reservoir was at full pool and the dam crest reached its design elevation of 353 m ASL in April 1961, the dams generators were commissioned between 1973 and 1975. The dam was the first major project on the Yellow River. Upon completion, it was hailed as a success for the new republic. Soon after completion, sediment-accumulation threatened the benefits of the dam, the Yellow River carries more sediment than any other in the world. During the 18 months after the river was closed,1.8 billion metric tons of sediment had accumulated in the reservoir, only 7% of the sediment-load was released downstream and the reservoir lost 17% of its capacity below a 335 m ASL elevation. Navigation and farmland were threatened upstream along with the relocation of a one million people
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