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''Readers should be careful that some contents and figures in this article may refer to

*''the entirety of historical China, or

*''territories administered by the People's Republic of China, excluding territories administered by the Republic of China (Taiwan), or

*only mainland China excluding the special administrative regions of Hong Kong and Macau.

---

The geography of China stretches some 5,026 kilometers across the East Asian landmass bordering the East China Sea, Korea Bay, Yellow Sea, and South China Sea, between North Korea and Vietnam in a changing configuration of broad plains, expansive deserts, and lofty mountain ranges, including vast areas of inhospitable terrain. The eastern half of the country, its seacoast fringed with offshore islands, is a region of fertile lowlands, foothills and mountains, deserts, steppes, and subtropical areas. The western half of China is a region of sunken basins, rolling plateaus, and towering massifs, including a portion of the highest tableland on earth.

The vastness of the country and the barrenness of the western hinterland have important implications for defense strategy. In spite of many good harbors along the approximately 18,000-kilometer coastline, the nation has traditionally oriented itself not toward the sea but inland, developing as an imperial power whose center lay in the middle and lower reaches of the Yellow River on the northern plains. China also has the Tibetan Plateau to the south. The Tibetan Plateau is a very large plateau with high altitudes. To the north of the Tibet Plateau lies the Gobi and Taklamakan deserts, which stretch from the extreme northwest eastward through Mongolia.

China is the world's fourth-largest country in total area (after Russia, Canada, and the United States).^[1] Figures for the size of China differ slightly depending on where one draws a number of ill-defined boundaries. The official figure by the People's Republic of China is 9.6 million square kilometers, making the country slightly smaller than the United States. The Republic of China based in Taiwan puts this figure at 11 million square kilometers, but this includes Mongolia, an independent sovereign state. China's contour is reasonably comparable to that of the United States and lies largely at the same latitudes. The total area is estimated to be 9,596,960 km², with land accounting for 9,326,410 km² and water for 270,550 km² Coordinates:

Border countries

• Land boundaries: total: 22,143.34 km
• Afghanistan 76 km
• Bhutan 470 km
• India 3,380 km
• Kazakhstan 1,533 km
• North Korea 1,416 km
• Kyrgyzstan 858 km
• Laos 423 km
• Mongolia 4,673 km
• Myanmar 2,185 km
• Nepal 1,236 km
• Pakistan 523 km
• Russia (northeast) 3,605 km, (northwest) 40 km
• Tajikistan 414 km
• Vietnam 1,281 km
• Coastline: 14,500 km

Maritime claims:

• Contiguous zone: 24 nautical miles (44 km)
• Continental shelf: 200 nautical miles (370 km) or to the edge of the continental margin
• Territorial sea: 12 nautical miles (22 km)

Geography

From the Tibetan Plateau and other less-elevated highlands rise rugged east-west trending mountains, and plateaus interrupted by deep depressions fanning out to the north and east. The Tibetan Plateau is a vast, elevated plateau covering most of the Tibet Autonomous Region and Qinghai Province in the People's Republic of China and Ladakh in Kashmir. With an average elevation of over 4,500 meters, the highest and biggest plateau in the world and an area of 2.5 million square kilometers.^[2] A continental scarp marks the eastern margin of this territory, a scarp that extends from the Greater Khingan Range in northeastern China, through the Taihang Mountains (a range of mountains overlooking the North China Plain) to the eastern edge of the Yunnan-Guizhou Plateau in the south. All of the low-lying areas of China, which support dense population and intensive cultivation, are to the east of this scarp line.

The east-west ranges include some of Asia's greatest mountains. In addition to the Himalayas and the Kunlun Mountains, there are the Kailash (Gangdise) and the Tian Shan ranges. The latter stands between two great basins, the massive Tarim Basin to the south and the Dzungarian Basin to the north. Rich deposits of coal, oil, and metallic ores lie in the Tian Shan area. The largest inland basin in China, the Tarim Basin measures 1,500 kilometres from east to west and 600 kilometres from north to south at its widest parts. The Himalayas form a natural boundary on the southwest as the Altai Mountains do on the northwest. Lesser ranges branch out, some at sharp angles from the major ranges. The mountains give rise to all the principal rivers. The spine of the Kunlun Mountains separates into several branches as it runs eastward from the Pamir Mountains. The northernmost branches, the Altyn-Tagh and the Qilian Range, form the rim of the Tibetan Plateau in west-central China and overlook the Qaidam Basin, a sandy and swampy region containing many salt lakes. A southern branch of the Kunlun Mountains divides the watersheds of the Yellow River (Huang He) and the Yangtze River (Chang Jiang). The Gansu Corridor, west of the great bend in the Yellow River, was traditionally an important communications link with Central Asia.

North of the 3,300-kilometre-long Great Wall, between Gansu Province on the west and the Greater Khingan Range on the east, lies the Mongolian Plateau, at an average elevation of 1,000 metres above sea level. The Yin Mountains, a system of mountains with average elevations of 1,400 metres, extends east-west through the center of this vast desert steppe. To the south is the largest loess plateau in the world, covering 600,000 square kilometers in Shaanxi Province, parts of Gansu and Shanxi provinces, and some of Ningxia-Hui Autonomous Region. Loess is a yellowish soil blown in from the Inner Mongolian deserts. The loose, loamy material travels easily in the wind, and through the centuries it has veneered the plateau and choked the Yellow River with silt. Because the river level drops precipitously toward the North China Plain where it sluggishly crosses the delta, it carries a heavy load of sediment in the form of sand and mud from the upper reaches, much of which is deposited on the flat plain. The flow is controlled mainly by constantly repaired man-made embankments while floods and course changes have recurred over the centuries. As a result the river flows on a raised ridge fifty metres or more above the plain, Traditionally, rulers were judged by their concern for or indifference to preservation of the embankments.

Flowing from its source in the Tibetan highlands, the Yellow River courses toward the sea through the North China Plain, the historic centre of Chinese expansion and influence. Ethnic Chinese people have farmed the rich alluvial soils of the plain since ancient times, constructing the Grand Canal of China for north-south transport. The plain itself is actually a continuation of the Manchurian Plain to the northeast but is separated from it by the Bohai Gulf, an extension of the Yellow Sea. Like other densely populated areas of China, the plain is subject not only to floods but to earthquakes. For example, the mining and industrial centre of Tangshan, about 165 kilometres east of Beijing, was levelled by an earthquake in July 1976 that reportedly also killed 242,000 people and injured 164,000.

The Qinling mountain range, a continuation of the Kunlun Mountains, divides the North China Plain from the Yangtze River Delta and is the major physiographic boundary between the two great parts of China Proper. It is in a sense a cultural boundary as well, influencing the distribution of custom and language. South of the Qinling divide are the densely populated and highly developed areas of the lower and middle plains of the Yangtze and, on its upper reaches, the Sichuan Basin, an area encircled by a high barrier of mountain ranges. The country's longest and most important waterway, the Yangtze River is navigable over much of its length and is now the site of the Three Gorges Dam. Rising on the Tibetan Plateau, the Yangtze River traverses 6,300 kilometers through the heart of the country, draining an area of 1.8 million square kilometers before emptying into the East China Sea. The Sichuan Basin, favoured by a mild, humid climate and a long growing season, produces a rich variety of crops; it is also a leading silk-producing area and an important industrial region with substantial mineral resources.

Second only to the Qinling as an internal boundary is the Nanling, the southernmost of the east-west mountain ranges. The Nanling overlooks the part of China where a tropical climate permits two crops of rice to be grown each year. Southeast of the mountains lies a coastal, hilly region of small deltas and narrow valley plains; the drainage area of the Pearl River (Zhu Jiang) and its associated network of rivers occupies much of the region to the south. West of the Nanling, the Yunnan-Guizhou Plateau rises in two steps, averaging 1,200 and 1,800 metres in elevation, respectively, toward the precipitous mountain regions of the eastern Tibetan Plateau.

The Hai River, like the Pearl and other major waterways, flows from west to east. Its upper course consists of five rivers that converge near Tianjin, then flow seventy kilometers before emptying into the Bohai Gulf. Another major river, the Huai, rises in Henan Province and flows through several lakes before joining the Yangtze near Yangzhou. Inland drainage involving a number of upland basins in the north and northeast accounts for about 40 percent of the country's total drainage area. Many rivers and streams flow into lakes or diminish in the desert. Some are useful for irrigation.

China's extensive territorial waters are principally marginal seas of the western Pacific Ocean; these waters wash the shores of a long and much-indented coastline and approximately 5,000 islands. The Yellow, East China, and South China seas, too, are marginal seas of the Pacific Ocean. More than half the coastline (predominantly in the south) is rocky; most of the remainder is sandy. Hangzhou Bay roughly divides the two kinds of shoreline.

Areas of China have experienced earthquakes. On 23 August, 1976, a major earthquake in Tangshan killed hundreds of thousands of people. However, most regions of China do not experience earthquakes, as major population centres are a long distance from fault lines. Tangshan is one of the few places in China that is located within an earthquake zone. There are few volcanoes in China.

Climate

The climate of China is extremely diverse; subtropical in the south to subarctic in the north. Monsoon winds, caused by differences in the heat-absorbing capacity of the continent and the ocean, dominate the climate. Alternating seasonal air-mass movements and accompanying winds are moist in summer and dry in winter. The advance and retreat of the monsoons account in large degree for the timing of the rainy season and the amount of rainfall throughout the country. Tremendous differences in latitude, longitude, and altitude give rise to sharp variations in precipitation and temperature within China. Although most of the country lies in the temperate belt, its climatic patterns are complex.

China's northernmost province Heilongjiang has a subarctic climate; its southernmost point, Hainan Island (an island away from mainland China), has a tropical climate. Temperature differences in winter are great, but in summer the diversity is considerably less. For example, the northern portions of Heilongjiang Province experience an average January mean temperature of below 0°C, and the reading may drop to minus 30°C; the average July mean in the same area may exceed 20 °C. By contrast, the central and southern parts of Guangdong Province experience an average January temperature of above 10 °C, while the July mean is about 28 °C.

Precipitation varies regionally even more than temperature. China south of the Qinling mountains experiences abundant rainfall, most of it coming with the summer monsoons. To the north and west of the range, however, rainfall is uncertain. The farther north and west one moves, the scantier and more uncertain it becomes. The northwest has the lowest annual rainfall in the country and no precipitation at all in its desert areas. China experiences frequent typhoons (about five per year along southern and eastern coasts), damaging floods, monsoons, tsunamis, and droughts.

Natural resources

Coal, iron ore, petroleum, natural gas, mercury, tin, tungsten, antimony, manganese, molybdenum, vanadium, magnetite, aluminium, lead, zinc, uranium, hydropower potential (world's largest)

Land use:

• Arable land: 14%
• Permanent crops: 0%
• Permanent pastures: 43%
• Forests and woodland: 14%
• Other: 33% (1993 est.)

China's water resources include 2,711.5 billion cubic meters of runoff in its rivers and 828.8 billion cubic meters which was pumped annually from shallow aquifers circa 2000. As pumping water draws water from nearby rivers, the total available resource is 2,821.4 billion cubic meters. 80.9% of these resources are in the Yangtze River basin. In 1993, 498,720 square kilometers were irrigated.

Environment

Main article: Environment of China

Air pollution (greenhouse gases, sulfur dioxide particulates) from reliance on coal, produces acid rain are a major issue, along with water pollution from untreated wastes and use of debated standards of pollutant concentration rather than Total Maximum Daily Load. There are water shortages, particularly in the north. The eastern part of China often experiences smoke and dense fog in the atmosphere as a result of industrial pollution. Heavy deforestation with an estimated loss of one-fifth of agricultural land since 1949 to soil erosion and economic development is occurring with resulting desertification. The size of the Gobi desert has increased and now reaches the outskirts of Beijing.

China is a party to the Antarctic-Environmental Protocol, the Antarctic Treaty, the Convention on Biological Diversity, the Climate Change treaty, the United Nations Convention to Combat Desertification, the Endangered Species treaty, the Hazardous Wastes treaty, the Law of the Sea, the International Tropical Timber Agreements of 1983 and 1994, the International Convention for the Regulation of Whaling, and agreements on Marine Dumping, Ozone Layer Protection, Ship Pollution, and Wetlands protection. China has signed, but not ratified the Kyoto Protocol (but is not yet required to reduce its carbon emission under the agreement, as is India), and the Nuclear Test Ban treaty.

Wildlife

China lies in two of the world's major zoogeographic regions, the Palearctic and the Oriental. The Tibetan Plateau, Xinjiang, Inner Mongolia, and Manchuria all areas north of the Yellow River, are in the Palearctic region. Central, southern, and southwest China lie in the Oriental region. In the Palearctic zone are found such important mammals as the river fox, horse, camel, tapir, mouse hare, hamster, and jerboa. Among the species found in the Oriental region are the civet cat, Chinese pangolin, bamboo rat, treeshrew, and also gibbon and various other species of monkeys and apes. Some overlap exists between the two regions because of natural dispersal and migration, and deer or antelope, bears, wolves, pigs, and rodents are found in all of the diverse climatic and geological environments. The famous giant panda is found only in a limited area along the Chang Jiang. There is a continuing problem with trade in endangered species, although there are now laws to prohibit such activities.

See also

• Environment of China
• List of cities in China
• North China Plain
• Geography of Hong Kong
• Geography of Macau
• Geography of Asia
• List of rivers in China
• Chinese geography

•  • [ e] Geography of Asia
Sovereign states and other territories	Afghanistan Armenia Azerbaijan1 Bahrain Bangladesh Bhutan Brunei Cambodia China People's Republic of China (Hong Kong • Macau)] Republic of China (Taiwan) Cyprus Egypt1 Georgia1 India Indonesia1 Iran Iraq Israel (see also Palestinian territories) Japan Jordan Kazakhstan1 Korea (North Korea South Korea) Kuwait Kyrgyzstan Laos Lebanon Malaysia Maldives Mongolia Myanmar Nepal Oman Pakistan Philippines Qatar Russia1 Saudi Arabia Singapore Sri Lanka Syria Tajikistan Thailand Timor-Leste (East Timor)1 Turkey1 Turkmenistan United Arab Emirates Uzbekistan Vietnam Yemen1
1Transcontinental nations

References