# Jintan, Changzhou

Jintan District is a district under the administration of Changzhou in the Jiangsu province of the People's Republic of China.

## History

Jintan, known as Jinshan (金山) in ancient times, was a township of Yanling commandery since the reign of the Emperor Yuan of Jin. Then it was promoted by its inhabitants as Jinshan county to strengthen the local vigilance in the late Sui dynasty, without permission. As a densely populated area, the county was reestablished in about 688 under the Tang dynasty, but since there was a namesake in present-day Jinhua, Zhejiang, it was named after Jintan, a hill of Mao Mountain.

## Location

In 1987, the County comprised 22 towns, with the county government located in Jincheng town. On November 10, 1993, Jintan was reclassified from a county and officially became a city. The county was part of Changzhou, Jiangsu province. In 2015, Jintan County has been changed to Jintan District.
Jintan has a total area of 976.7 square kilometers (377.1 square miles). The total land area is 781.27 square kilometers (301.65 square miles), and water covers an area of 194.22 square kilometers (74.99 square miles). As of 2010, it has a permanent resident population of 552,047. Jintan is a 2-3 hour bus ride from Shanghai, and the driving distance from Jintan to Nanjing is one and a half hours.

## Administrative divisions

At present, Jintan District has 3 communities and 6 towns.
3 communities
*Dongcheng Community(东城社区)
*Xicheng Community(西城社区)
*Yaotang Community(尧唐社区)

### 6 towns

| Jincheng (金城镇) Rulin (儒林镇) Zhixi (直溪镇) | Zhulin (朱林镇) Xuebu (薛埠镇) Zhiqian (指前镇) |

## Dialect

Wu Chinese is the local dialect of Jintan. Some versions include the local dialect and the northern Jiangsu dialect. A fusion of languages has been created due to the geographical location of Jintan. The language habits of migrants have influenced the local language.

## Environment
### Geography and geomorphology

Western Jintan includes the mountainous region Maoshan, which covers an area of about 223 square kilometres (86 sq mi). The highest peak of Maoshan is 372.5 metres (1,222 ft) above sea level. Flatlands lie in the east of Jintan, part of the Taihu Plain, with an area of about 752 square kilometres (290 sq mi).

### Lakes and Rivers

Jintan District has 216 rivers with a total length of 512 kilometres (318 mi). The southeast Tiao Lake (also named Changdang Lake), covers 8,200 hectares (32 sq mi). This lake is one of the ten largest freshwater lakes in Jiangsu province.

### Climate

Jintan District comes under the Northern Subtropical Monsoon climate zone. Jintan City's climate is mild and humid with four distinct seasons. The annual average temperature is 15.3 °C (59.5 °F), while average annual precipitation is 1,063.5 millimetres (41.87 in). The frost-free period covers 228 days and the average humidity is 78%.
Climate data for Jintan, elevation 5 m (16 ft), (1991–2020 normals, extremes 1981–2010) :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 21.5 (70.7) | 26.4 (79.5) | 29.6 (85.3) | 34.3 (93.7) | 35.8 (96.4) | 37.5 (99.5) | 39.0 (102.2) | 40.0 (104.0) | 38.0 (100.4) | 33.0 (91.4) | 29.5 (85.1) | 23.3 (73.9) | 40.0 (104.0) |
| Mean daily maximum °C (°F) | 7.4 (45.3) | 9.9 (49.8) | 14.7 (58.5) | 20.9 (69.6) | 26.2 (79.2) | 28.9 (84.0) | 32.5 (90.5) | 32.0 (89.6) | 27.9 (82.2) | 22.8 (73.0) | 16.6 (61.9) | 10.0 (50.0) | 20.8 (69.5) |
| Daily mean °C (°F) | 3.4 (38.1) | 5.7 (42.3) | 10.1 (50.2) | 16.0 (60.8) | 21.4 (70.5) | 24.9 (76.8) | 28.6 (83.5) | 28.1 (82.6) | 23.8 (74.8) | 18.2 (64.8) | 12.0 (53.6) | 5.7 (42.3) | 16.5 (61.7) |
| Mean daily minimum °C (°F) | 0.5 (32.9) | 2.4 (36.3) | 6.4 (43.5) | 11.8 (53.2) | 17.3 (63.1) | 21.7 (71.1) | 25.5 (77.9) | 25.2 (77.4) | 20.6 (69.1) | 14.6 (58.3) | 8.5 (47.3) | 2.4 (36.3) | 13.1 (55.5) |
| Record low °C (°F) | −10.7 (12.7) | −8.5 (16.7) | −4.7 (23.5) | 1.0 (33.8) | 8.1 (46.6) | 12.9 (55.2) | 19.2 (66.6) | 17.4 (63.3) | 11.4 (52.5) | 1.9 (35.4) | −3.3 (26.1) | −11.5 (11.3) | −11.5 (11.3) |
| Average precipitation mm (inches) | 60.5 (2.38) | 59.6 (2.35) | 85.9 (3.38) | 88.5 (3.48) | 96.8 (3.81) | 222.4 (8.76) | 197.9 (7.79) | 143.5 (5.65) | 88.2 (3.47) | 59.1 (2.33) | 54.8 (2.16) | 40.2 (1.58) | 1,197.4 (47.14) |
| Average precipitation days (≥ 0.1 mm) | 10.3 | 9.9 | 11.3 | 10.5 | 11.2 | 12.6 | 12.2 | 12.0 | 8.4 | 7.9 | 8.5 | 7.8 | 122.6 |
| Average snowy days | 3.1 | 2.1 | 0.8 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 1.0 | 7.4 |
| Average relative humidity (%) | 76 | 75 | 74 | 73 | 73 | 78 | 79 | 80 | 78 | 76 | 76 | 74 | 76 |
| Mean monthly sunshine hours | 120.7 | 122.1 | 145.8 | 169.3 | 177.8 | 141.0 | 195.7 | 195.5 | 166.9 | 164.9 | 142.0 | 135.0 | 1,876.7 |
| Percent possible sunshine | 38 | 39 | 39 | 43 | 42 | 33 | 45 | 48 | 45 | 47 | 45 | 43 | 42 |
| Source: China Meteorological Administration ||||||||||||||

## Economy

The total economic output of Jintan :
| | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018年 | 2019 | 2020 |
| GDP/Billion Yuan (Renminbi) | 101 | 122.1 | 149 | 182 | 223 | 263 | 261.4 | 308.3 | 365.1 | 373.81 | 406.12 | 471.48 | 525.49 | 600.02 | 708.34 | 801.93 | 908.6 | 973.15 |
| Per capita GDP/ Yuan (Renminbi). | 18650 | 22594 | 27567 | 33854 | 41023 | 48257 | 47858 | 56000 | 65946 | 67129 | 72755 | 84495 | 94090 | 107242 | 126376 | 142819 | 161514 | 166300 |
* ↑ Generally calculated based on the resident population

## Notable people

* David Ji (born 1952), Chinese-American electronics entrepreneur who co-founded Apex Digital, and was held against his will in China for months without charges during a business dispute
* Hua Luogeng (1910-1985), mathematician and politician
* Xifeng Wu, Chinese-American cancer epidemiologist
* Duan Yucai (1735–1815), philologist