The Chi River (Thai: แม่น้ำชี, RTGS: Maenam Chi, pronounced [mɛ̂ːnáːm t͡ɕʰīː]) is the longest river flowing wholly within Thailand. It is 765 kilometres (475 mi) long but carries less water than the second longest river, the Mun. The name of the river is "Mae Si" ([sīː]) in the Isan and Lao languages of the region, being transliterated as "Chi" in Bangkok-Thai. In wet seasons there are often flash floods in the floodplain of the Chi River basin.
|Chi River (Mae Si)|
Ferry, Chi River
|- location||Mun river, Sisaket Province|
|- elevation||110 m (361 ft)|
|Length||1,047 km (651 mi)|
|Basin||49,480 km2 (19,104 sq mi)|
|- average||290 m3/s (10,241 cu ft/s)|
|- max||3,960 m3/s (139,846 cu ft/s)|
Map of the Mun River watershed showing the Chi River
The river rises in the Phetchabun mountains, then runs east through the central Isan provinces of Chaiyaphum, Khon Kaen, and Maha Sarakham, then turns south in Roi Et, runs through Yasothon and joins the Mun in the Kanthararom district of Sisaket Province. The river carries approximately 9.3 cubic kilometres (2.2 cu mi) of water per annum.
The river was an 18th-century migration route for the re-peopling of the Khorat Plateau by ethnic Lao people from the left (east) bank of the Mekong resettling on the right bank. This began in 1718 when the first king of the left bank Kingdom of Champasak, King Nokasad, sent a group of some 3,000 subjects led by an official in his service to found the first settlement in the Chi River valley—and indeed anywhere in the interior of the Khorat Plateau—Muang Suwannaphum in present-day Roi Et Province (a history recorded and remembered, largely in terms of the struggle to expand wet-rice cultivation in the river valley). Their descendants are now regarded as a separate ethnic group from the Lao to the north and the central Thai to the southwest.
- Water level in Chi River still high
- Delineation of flood hazards and risk mapping in the Chi River Basin
- Brow, James (1976), "Population, land and structural change in Sri Lanka and Thailand", Contributions to Asian studies, Kogan Page (Issue 9): 47, ISBN 90-04-04529-5
- C. Pawattana; N. K. Tripathi; S. Weesakul (2007). "Floodwater retention planning using GIS and hydrodynamic model: a case study for the Chi River Basin, Thailand". Environmental Informatics Archives. ISEIS – International Society for Environmental Information Sciences. 5: 548–556. EIA07-056. Retrieved March 5, 2012.[permanent dead link]
- Choopug Suttisa (2011). "Civil Society in the Chi River, Northeast Thailand" (PDF). Massey University, New Zealand. pp. 1–17. Archived from the original (Ph.D.) on April 26, 2012. Retrieved March 5, 2012.
Abstract: This paper aims to examine the concept of civil society in the rural communities in the Chi River, Northeast Thailand. It focuses on the questions of what civil society means in the Thai rural context, what factors make civil society proactive and how civil society is activated. By using participatory action research (PAR) as the main methodology to answer the inquiries. The paper addresses the new term of ‘grounded civil society’ which was created through the research process in two case studies. The research determines that two elements activated grounded civil society are from outside and inside factors. The outside factors included the negative effect of government development projects and the intervention of the participatory action research, which stimulate local people to engage in civil society. The inside factors are the poor economic conditions of the villagers and the social capital existing in the communities. The paper concludes with an analysis of the causal links between social capital and civil society which claims that social capital facilitated the creation of civil society.
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