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Cheng County or Chengxian (simplified Chinese: 成县; traditional Chinese: 成縣; pinyin: Chéng Xiàn) is a county under the administration of Longnan City, in southeastern Gansu Province of China. It has a land area of 1,780 square kilometers and a population of 250,000 in 2004. The postal code is 742500, and the county seat is located in Chengguan Town.
Cheng County
成县 | |
|---|---|
 Chifeng Mountain National Forest Park | |
  Cheng County Location of the seat in Gansu | |
| Coordinates: 33°55′N 105°40′E / 33.917°N 105.667°E | |
| Country | China |
| Province | Gansu |
| Prefecture-level city | Longnan |
| County seat | Chengguan (城关镇) |
| Area | |
• Total | 1,780 km2 (690 sq mi) |
| Population (2019) | |
• Total | 246,900 |
| • Density | 140/km2 (360/sq mi) |
| Time zone | UTC+8 (China Standard) |
| Postal code | 742500 |
| Website | www |
Located between mountains, it has a temperate climate, favourable for agriculture. The mountains have lead and zinc ore deposits.[1]
Chengxian is noted for its walnut production. Chengxian walnuts were designated a protected origin product in China in 2014.[2]
In January 2021, the Qingni River in Chengxian was found to be polluted with thallium from zinc production wastewater.[3]
Administrative divisions
editCheng County is divided to 14 towns and 3 townships.[4]
- Towns
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- Towns are upgraded from Township.
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- Townships
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-Former Townships are merged to other.
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Climate
edit| Climate data for Chengxian, elevation 970 m (3,180 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) | 16.3 (61.3) |
20.8 (69.4) |
28.6 (83.5) |
32.5 (90.5) |
34.0 (93.2) |
37.2 (99.0) |
36.5 (97.7) |
36.3 (97.3) |
35.4 (95.7) |
27.7 (81.9) |
22.8 (73.0) |
15.2 (59.4) |
37.2 (99.0) |
| Mean daily maximum °C (°F) | 5.9 (42.6) |
9.2 (48.6) |
14.7 (58.5) |
21.0 (69.8) |
24.7 (76.5) |
28.1 (82.6) |
29.8 (85.6) |
28.6 (83.5) |
23.1 (73.6) |
17.5 (63.5) |
12.1 (53.8) |
6.9 (44.4) |
18.5 (65.3) |
| Daily mean °C (°F) | 0.0 (32.0) |
3.4 (38.1) |
8.2 (46.8) |
13.6 (56.5) |
17.5 (63.5) |
21.4 (70.5) |
23.7 (74.7) |
22.7 (72.9) |
18.0 (64.4) |
12.5 (54.5) |
6.6 (43.9) |
1.0 (33.8) |
12.4 (54.3) |
| Mean daily minimum °C (°F) | −4.0 (24.8) |
−0.9 (30.4) |
3.2 (37.8) |
7.6 (45.7) |
11.6 (52.9) |
15.9 (60.6) |
19.0 (66.2) |
18.4 (65.1) |
14.6 (58.3) |
9.2 (48.6) |
2.8 (37.0) |
−3.0 (26.6) |
7.9 (46.2) |
| Record low °C (°F) | −12.7 (9.1) |
−11.1 (12.0) |
−9.6 (14.7) |
−3.8 (25.2) |
−0.1 (31.8) |
4.7 (40.5) |
11.4 (52.5) |
10.4 (50.7) |
4.5 (40.1) |
−4.8 (23.4) |
−8.9 (16.0) |
−14.7 (5.5) |
−14.7 (5.5) |
| Average precipitation mm (inches) | 6.6 (0.26) |
9.0 (0.35) |
21.0 (0.83) |
40.6 (1.60) |
63.7 (2.51) |
80.0 (3.15) |
119.9 (4.72) |
113.6 (4.47) |
94.1 (3.70) |
56.5 (2.22) |
15.0 (0.59) |
3.4 (0.13) |
623.4 (24.53) |
| Average precipitation days (≥ 0.1 mm) | 6.3 | 6.9 | 8.7 | 9.5 | 11.8 | 11.6 | 12.1 | 12.4 | 13.9 | 13.8 | 7.7 | 4.3 | 119 |
| Average snowy days | 9.2 | 5.3 | 1.4 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 1.1 | 4.2 | 21.4 |
| Average relative humidity (%) | 70 | 69 | 66 | 67 | 71 | 72 | 75 | 78 | 83 | 83 | 79 | 73 | 74 |
| Mean monthly sunshine hours | 117.2 | 101.1 | 134.9 | 164.9 | 180.4 | 165.5 | 169.8 | 159.1 | 91.7 | 89.6 | 99.3 | 121.7 | 1,595.2 |
| Percent possible sunshine | 37 | 32 | 36 | 42 | 42 | 39 | 39 | 39 | 25 | 26 | 32 | 40 | 36 |
| Source: China Meteorological Administration[5][6] | |||||||||||||
Transportation
editLongnan Chengzhou Airport opened in 2018 and offers domestic flights. The Tianshui–Longnan railway started construction in 2020 and will be the first railway to serve the county.
China National Highway 567 and G7011 Shiyan–Tianshui Expressway are the main roads connecting the county.
References
edit- ^ "成县县情概况" [Overview of Chengxian County]. Archived from the original on 3 July 2014.
- ^ "甘肃成县：小核桃撬动扶贫大格局-新华网". www.xinhuanet.com. Retrieved 2021-02-11.
- ^ "甘肃成县官方：嘉陵江支流青泥河受污水体持续达标-中新网". www.chinanews.com. Retrieved 2021-02-11.
- ^ 2023年统计用区划代码和城乡划分代码：成县 (in Simplified Chinese). National Bureau of Statistics of China.
- ^ 中国气象数据网 – WeatherBk Data (in Simplified Chinese). China Meteorological Administration. Retrieved 27 August 2023.
- ^ 中国气象数据网 (in Simplified Chinese). China Meteorological Administration. Retrieved 27 August 2023.