The Sichuan Basin (Chinese: 四川盆地; pinyin: Sìchuān Péndì), formerly transliterated as the Szechwan Basin, sometimes called the Red Basin, is a lowland region in southwestern China. It is surrounded by mountains on all sides and is drained by the upper Yangtze River and its tributaries. The basin is anchored by Chengdu, the capital of Sichuan province, in the west, and the direct-administered municipality of Chongqing in the east. Due to its relative flatness and fertile soils, it is able to support a population of more than 100 million. In addition to being a dominant geographical feature of the region, the Sichuan Basin also constitutes a cultural sphere that is distinguished by its own unique customs, cuisine and dialects. It is famous for its rice cultivation and is often considered the breadbasket of China. In the 21st century its industrial base is expanding with growth in the high-tech, aerospace, and petroleum industries.
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👉 Sichuan Basin in the context of Sichuan
Sichuan, previously romanized as Szechwan or Szechuan, is a province in Southwestern China, occupying the Sichuan Basin and Tibetan Plateau—between the Jinsha River to the west, the Daba Mountains to the north, and the Yunnan–Guizhou Plateau to the south. Its capital city is Chengdu, and its population stands at 83 million. Sichuan neighbors Qinghai and Gansu to the north, Shaanxi and Chongqing to the east, Guizhou and Yunnan to the south, and Tibet to the west.
During antiquity, Sichuan was home to the kingdoms of Ba and Shu until their incorporation by the Qin. During the Three Kingdoms era (220–280), Liu Bei's state of Shu was based in Sichuan. The area was devastated in the 17th century by Zhang Xianzhong's rebellion and the area's subsequent Manchu conquest. However, the area recovered to become one of China's most productive by the 19th century. During World War II, Chongqing served as the temporary capital of the Republic of China, and was heavily bombed. It was one of the last mainland areas captured by the People's Liberation Army during the Chinese Civil War, and was divided into four parts from 1949 to 1952, with Chongqing restored two years later. It suffered gravely during the Great Chinese Famine (1959–1961) but remained China's most-populous province until Chongqing was again separated from it in 1997.
- ⭐ Core Definition: Sichuan Basin
- 👉 Sichuan Basin in the context of Sichuan
- Sichuan Basin in the context of Jialing River
- Sichuan Basin in the context of Chengdu Plain
- Sichuan Basin in the context of Dujiangyan
- Sichuan Basin in the context of Minjiang dialect
- Sichuan Basin in the context of Hengduan Mountains
- Sichuan Basin in the context of Mamenchisaurus
Sichuan Basin in the context of Jialing River
The Jialing River, formerly known by numerous other names, is a major tributary of the Yangtze River in the Sichuan Basin. It is named after the Jialing Valley in Feng County, Shaanxi through which it flows.
The Jialing River's most notable characteristic was formerly its pellucid green waters. It is also notable for its sinuous course in its lower reaches. From Zhangwang Miao (Temple of Zhangfei) in Langzhong to the mouth, the distance as the crow flies is 223 kilometres (139 mi). However the river itself travels 1,117.3 kilometres (694.3 mi). The most tortuous part of its course is between Nanchong and Wusheng County.
Sichuan Basin in the context of Chengdu Plain
The Chengdu Plain (Chinese: 成都平原; pinyin: Chéngdū Píngyuán), referred to in Sichuanese as the Western Sichuan Plain (Chinese: 川西坝子; Sichuanese Pinyin: Cuanxi Bazi), is an alluvial plain located in the western part of the Sichuan Basin in southwestern China. Chengdu, the capital of Sichuan, is located at the center of it.
The plain has fertile soil and a favorable climate for rice cultivation, giving it importance in agriculture.
Sichuan Basin in the context of Dujiangyan
The Dujiangyan (Chinese: 都江堰; pinyin: Dūjiāngyàn) is an ancient irrigation system in Dujiangyan City, Sichuan, China. Originally constructed around 256 BC by the State of Qin as an irrigation and flood control project, it is still in use today. The system's infrastructure develops on the Min River (Minjiang), the longest tributary of the Yangtze. The area is in the west part of the Chengdu Plain, between the Sichuan Basin and the Tibetan Plateau. Originally, the Min would rush down from the Min Mountains and slow down abruptly after reaching the Chengdu Plain, filling the watercourse with silt, thus making the nearby areas extremely prone to floods. King Zhao of Qin commissioned the project, and the construction of the Dujiangyan harnessed the river using a new method of channeling and dividing the water rather than simply damming it. The water management scheme is still in use today to irrigate over 5,300 km (2,000 sq mi) of land in the region and has produced comprehensive benefits in flood control, irrigation, water transport and general water consumption. Begun over 2,250 years ago, it now irrigates 668,700 hectares of farmland. The Dujiangyan, the Zhengguo Canal in Shaanxi and the Lingqu Canal in Guangxi are collectively known as the "three great hydraulic engineering projects of the Qin".
Dujiangyan Irrigation System was inscribed on the World Heritage List in 2000. It has also been declared a State Priority Protected Site, among the first batch of National Scenic Areas and Historical Sites, and a National ISO14000 Demonstration Area.
Sichuan Basin in the context of Minjiang dialect
The Minjiang dialect (simplified Chinese: 岷江话; traditional Chinese: 岷江話, locally [min˨˩tɕiaŋ˥xa˨˨˦]; pinyin: Mínjiānghuà) is a possible Sichuanese dialect spoken mainly in the Min River (Mínjiāng) valley or along the Yangtze in the southern and western parts of the Sichuan Basin in China. There is also a language island of the Minjiang dialect located in the center of the Sichuan Basin covering several counties, including all of Xichong, Yanting, and Shehong Counties, and part of Jiange, Cangxi, Nanbu, Langzhong and Bazhong. The Minjiang dialect is also referred to as the Nanlu dialect by some scholars.
The primary characteristic of the Minjiang dialect is that the stop consonants for checked-tone syllables in Middle Chinese have developed into tense vowels to create a phonemic contrast, and in several cities and counties the tense vowels retain a following glottal stop. It also keeps many characteristics of Ba–Shu Chinese phonology and vocabulary. Due to these characteristics, the status of the Minjiang dialect is disputed among linguists, with some classifying it as Southwestern Mandarin, and others setting it apart as a continuation of Ba–Shu Chinese, the native language of Sichuan before the end of the Yuan dynasty.
Sichuan Basin in the context of Hengduan Mountains
The Hengduan Mountains (simplified Chinese: 横断山脉; traditional Chinese: 橫斷山脈; pinyin: Héngduàn Shānmài) are a group of mountain ranges in southwest China that connect the southeast portions of the Tibetan Plateau with the Yunnan–Guizhou Plateau. The Hengduan Mountains are primarily large north-south mountain ranges that effectively separate lowlands in northern Myanmar from the lowlands of the Sichuan Basin. These ranges are characterized by significant vertical relief originating from the Indian subcontinent's collision with the Eurasian Plate, and further carved out by the major rivers draining the eastern Tibetan Plateau. These rivers, the Yangtze, Mekong, and Salween, are recognized today as the Three Parallel Rivers UNESCO World Heritage Site.
The Hengduan Mountains cover much of western present-day Sichuan province as well as the northwestern portions of Yunnan, the easternmost section of the Tibet Autonomous Region, and touching upon parts of southern Qinghai. Additionally, some parts of eastern Kachin State in neighbouring Myanmar are considered part of the Hengduan group. The Hengduan Mountains are approximately 900 kilometres (560 mi) long, stretching from 33°N to 25°N. Depending on extent of the definition, the Hengduan Mountains are also approximately 400 kilometres (250 mi) wide under the narrowest definition, ranging from 98°E to 102°E. The area covered by these ranges roughly corresponds with the Tibetan region known as Kham.
Sichuan Basin in the context of Mamenchisaurus
Mamenchisaurus (/məˌmʌntʃiˈsɔːrəs/ mə-MUN-chee-SOR-əs, or spelling pronunciation /məˌmɛntʃɪˈsɔːrəs/) is an extinct genus of sauropod dinosaurs known for their remarkably long necks, which made up nearly half the total body length. Numerous species have been assigned to the genus; however, the validity of these assignments has been questioned. Fossils have been found in the Sichuan Basin and Yunnan Province in China. Several species from the Upper Shaximiao Formation, whose geologic age is uncertain, have been described. However, evidence suggests this formation to be no earlier than the Oxfordian stage of the Late Jurassic. M. sinocanadorum dates to the Oxfordian stage (161.2 to 158.7 mya), and M. anyuensis to the Aptian stage of the Early Cretaceous (around 114.4 mya). Most species were medium-large to large sauropods, measuring roughly 15 to 26 meters (49 to 85 ft) in length—possibly up to 35 meters (115 ft), based on two undescribed vertebrae.