Thung Chang (Thai: ทุ่งช้าง, pronounced [tʰûŋ tɕʰáːŋ]; Northern Thai: โต้งจ๊าง, pronounced [tôːŋ tɕáːŋ]) is a district (amphoe) in the northern part of Nan province, northern Thailand.

Thung Chang
ทุ่งช้าง
District location in Nan province
District location in Nan province
Coordinates: 19°23′14″N 100°52′33″E / 19.38722°N 100.87583°E / 19.38722; 100.87583
CountryThailand
ProvinceNan
Government
 • District officerKiansak Pomthongkham
Area
 • Total
760.811 km2 (293.751 sq mi)
Population
 (2013)
 • Total
18,375
 • Density24/km2 (63/sq mi)
Time zoneUTC+7 (ICT)
Postal code55130
Geocode5508

History

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Thung Chang District dates back to the Khwaeng Khun Nan (ขุนน่าน), which was converted into the district Lae (และ) in 1914. In 1961 it was renamed Thung Chang, as the district office had been moved to tambon Thung Chang.[1][2]

Geography

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Neighboring districts are, from the east clockwise, Chaloem Phra Kiat, Pua, Chiang Klang and Song Khwae of Nan Province. To the north is Xaignabouli of Laos.

The eastern part of the district is in the Luang Prabang Range of the Thai highlands.[3]

Climate

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Climate data for Thung Chang (1981–2010, extremes 1997-present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 35.8
(96.4)
36.5
(97.7)
39.2
(102.6)
41.6
(106.9)
41.5
(106.7)
37.5
(99.5)
36.8
(98.2)
36.5
(97.7)
35.0
(95.0)
35.0
(95.0)
34.4
(93.9)
33.5
(92.3)
41.6
(106.9)
Mean daily maximum °C (°F) 29.7
(85.5)
32.0
(89.6)
34.1
(93.4)
34.9
(94.8)
32.8
(91.0)
31.8
(89.2)
30.7
(87.3)
30.6
(87.1)
31.2
(88.2)
31.3
(88.3)
30.2
(86.4)
28.8
(83.8)
31.5
(88.7)
Daily mean °C (°F) 20.4
(68.7)
22.1
(71.8)
24.8
(76.6)
27.2
(81.0)
27.0
(80.6)
27.1
(80.8)
26.5
(79.7)
26.3
(79.3)
26.0
(78.8)
25.3
(77.5)
22.5
(72.5)
20.4
(68.7)
24.6
(76.3)
Mean daily minimum °C (°F) 13.5
(56.3)
14.7
(58.5)
17.4
(63.3)
21.2
(70.2)
22.9
(73.2)
23.8
(74.8)
23.6
(74.5)
23.5
(74.3)
22.8
(73.0)
21.1
(70.0)
17.1
(62.8)
14.4
(57.9)
19.7
(67.5)
Record low °C (°F) 7.0
(44.6)
6.4
(43.5)
10.5
(50.9)
14.2
(57.6)
18.0
(64.4)
21.0
(69.8)
20.0
(68.0)
21.4
(70.5)
17.5
(63.5)
13.6
(56.5)
9.3
(48.7)
2.6
(36.7)
2.6
(36.7)
Average rainfall mm (inches) 22.5
(0.89)
15.3
(0.60)
46.2
(1.82)
120.5
(4.74)
220.1
(8.67)
216.2
(8.51)
328.2
(12.92)
386.7
(15.22)
270.0
(10.63)
90.5
(3.56)
20.5
(0.81)
13.4
(0.53)
1,750.1
(68.90)
Average rainy days 2.0 1.5 4.3 10.0 18.0 17.8 21.7 24.5 18.4 10.7 3.2 1.2 133.3
Average relative humidity (%) 78.7 74.0 71.0 74.7 82.2 85.0 87.3 88.8 87.4 84.5 80.0 78.8 81.0
Mean monthly sunshine hours 322.4 305.1 350.3 279.0 220.1 198.0 161.2 117.8 183.0 269.7 264.0 285.2 2,955.8
Source 1: Thai Meteorological Department[4][5]
Source 2: Office of Water Management and Hydrology, Royal Irrigation Department (sun)[6]

Administration

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Central administration

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Thung Chang is divided into four sub-districts (tambons), which are further subdivided into 40 administrative villages (mubans).

No. Name Thai Villages Pop.[7]
01. Pon ปอน 08 2,761
02. Ngop งอบ 11 5,551
03. Lae และ 14 4,642
04. Thung Chang ทุ่งช้าง 07 5,421

Local administration

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There are two sub-district municipalities (thesaban tambons) in the district:

  • Ngop (Thai: เทศบาลตำบลงอบ) consisting of sub-district Ngop.
  • Thung Chang (Thai: เทศบาลตำบลทุ่งช้าง) consisting of parts of sub-districts Lae and Thung Chang.

There are three sub-district administrative organizations (SAO) in the district:

  • Pon (Thai: องค์การบริหารส่วนตำบลปอน) consisting of sub-district Pon.
  • Lae (Thai: องค์การบริหารส่วนตำบลและ) consisting of parts of sub-district Lae.
  • Thung Chang (Thai: องค์การบริหารส่วนตำบลทุ่งช้าง) consisting of parts of sub-district Thung Chang.

References

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  1. ^ nakornnan.com
  2. ^ พระราชกฤษฎีกาเปลี่ยนชื่ออำเภอและตำบลบางแห่ง พ.ศ. ๒๕๐๔ (PDF). Royal Gazette (in Thai). 78 (33 ก): 382–. April 11, 1961. Archived from the original (PDF) on January 27, 2012.
  3. ^ ดร.กระมล ทองธรรมชาติ และคณะ, สังคมศึกษา ศาสนาและวัฒนธรรม ม.1, สำนักพิมพ์ อักษรเจริญทัศน์ อจท. จำกัด, 2548, หน้า 24-25
  4. ^ "Thailand Climate Normal Values". Thai Meteorological Department. Retrieved April 16, 2024.
  5. ^ "Climatological Data for the Period 1981–2010". Thai Meteorological Department. p. 4. Retrieved 31 July 2016.
  6. ^ "ปริมาณการใช้น้ำของพืชอ้างอิงโดยวิธีของ Penman Monteith (Reference Crop Evapotranspiration by Penman Monteith)" (PDF) (in Thai). Office of Water Management and Hydrology, Royal Irrigation Department. p. 25. Retrieved 31 July 2016.
  7. ^ "Population statistics 2013" (in Thai). Department of Provincial Administration. Retrieved 2014-12-03.
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