Cheng County
{{more citations needed|date=February 2021}}
{{Infobox settlement
| name = Cheng County
| native_name = {{nobold|{{lang|zh-hans|成县}}}}
| postal_code = 742500
| postal_code_type = Postal code
| pushpin_map = China Gansu
| pushpin_label_position = right
| pushpin_map_caption = Location of the seat in Gansu
| pushpin_mapsize =
| seat = Chengguan ({{lang|zh-hans|城关镇}})
| seat_type = County seat
| settlement_type = County
| image_skyline = 鸡峰山国家森林公园.jpg
| image_map =
| map_caption =
| subdivision_type = Country
| subdivision_name = China
| subdivision_type1 = Province
| subdivision_name1 = Gansu
| subdivision_type2 = Prefecture-level city
| subdivision_name2 = Longnan
| area_total_km2 = 1,780
| population =
| population_as_of = 2019
| population_density_km2 = auto
| population_total = 246900
| coordinates = {{coord|33|55|N|105|40|E|type:adm3rd_region:CN-62|display=inline,title}}
| elevation_ft =
| elevation_m =
| timezone = China Standard
| utc_offset = +8
| website = {{url|http://www.gs.xinhuanet.com/chengxian/index.htm}}
| official_name =
| image_caption = Chifeng Mountain National Forest Park
}}
Cheng County or Chengxian ({{zh|s=成县 |t=成縣 |p=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.
Located between mountains, it has a temperate climate, favourable for agriculture. The mountains have lead and zinc ore deposits.{{Cite web|last=|first=|date=|title=成县县情概况|trans-title=Overview of Chengxian County|url=http://www.gs.xinhuanet.com/chengxian/2013-12/17/c_118593045.htm|url-status=dead|archive-url=https://web.archive.org/web/20140703205605/http://www.gs.xinhuanet.com/chengxian/2013-12/17/c_118593045.htm|archive-date=3 July 2014|access-date=|website=}}
Chengxian is noted for its walnut production. Chengxian walnuts were designated a protected origin product in China in 2014.{{Cite web|title=甘肃成县：小核桃撬动扶贫大格局-新华网|url=http://www.xinhuanet.com/politics/2019-08/20/c_1124897341.htm|access-date=2021-02-11|website=www.xinhuanet.com}}
In January 2021, the Qingni River in Chengxian was found to be polluted with thallium from zinc production wastewater.{{Cite web|title=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|url=https://www.chinanews.com/sh/2021/01-28/9398709.shtml|access-date=2021-02-11|website=www.chinanews.com}}
Administrative divisions
Cheng County is divided to 14 towns and 3 townships.{{cite web|url=http://www.stats.gov.cn/sj/tjbz/tjyqhdmhcxhfdm/2023/62/12/621221.html|script-title=zh:2023年统计用区划代码和城乡划分代码：成县| publisher = National Bureau of Statistics of China| language = zh-hans| access-date =}}
;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
{{Weather box|width=auto
|metric first=y
|single line=y
|collapsed = Y
|location = Chengxian, elevation {{convert|970|m|ft|abbr=on}}, (1991–2020 normals, extremes 1981–2010)
|Jan high C = 5.9
|Feb high C = 9.2
|Mar high C = 14.7
|Apr high C = 21.0
|May high C = 24.7
|Jun high C = 28.1
|Jul high C = 29.8
|Aug high C = 28.6
|Sep high C = 23.1
|Oct high C = 17.5
|Nov high C = 12.1
|Dec high C = 6.9
|Jan mean C = 0.0
|Feb mean C = 3.4
|Mar mean C = 8.2
|Apr mean C = 13.6
|May mean C = 17.5
|Jun mean C = 21.4
|Jul mean C = 23.7
|Aug mean C = 22.7
|Sep mean C = 18.0
|Oct mean C = 12.5
|Nov mean C = 6.6
|Dec mean C = 1.0
|Jan low C = -4.0
|Feb low C = -0.9
|Mar low C = 3.2
|Apr low C = 7.6
|May low C = 11.6
|Jun low C = 15.9
|Jul low C = 19.0
|Aug low C = 18.4
|Sep low C = 14.6
|Oct low C = 9.2
|Nov low C = 2.8
|Dec low C = -3.0
|Jan record high C = 16.3 |Jan record low C = -12.7
|Feb record high C = 20.8 |Feb record low C = -11.1
|Mar record high C = 28.6 |Mar record low C = -9.6
|Apr record high C = 32.5 |Apr record low C = -3.8
|May record high C = 34.0 |May record low C = -0.1
|Jun record high C = 37.2 |Jun record low C = 4.7
|Jul record high C = 36.5 |Jul record low C = 11.4
|Aug record high C = 36.3 |Aug record low C = 10.4
|Sep record high C = 35.4 |Sep record low C = 4.5
|Oct record high C = 27.7 |Oct record low C = -4.8
|Nov record high C = 22.8 |Nov record low C = -8.9
|Dec record high C = 15.2 |Dec record low C = -14.7
|year high C = |year low C =
|year high F = |year low F =
|precipitation colour = green
|Jan precipitation mm = 6.6
|Feb precipitation mm = 9.0
|Mar precipitation mm = 21.0
|Apr precipitation mm = 40.6
|May precipitation mm = 63.7
|Jun precipitation mm = 80.0
|Jul precipitation mm = 119.9
|Aug precipitation mm = 113.6
|Sep precipitation mm = 94.1
|Oct precipitation mm = 56.5
|Nov precipitation mm = 15.0
|Dec precipitation mm = 3.4
|Jan humidity = 70
|Feb humidity = 69
|Mar humidity = 66
|Apr humidity = 67
|May humidity = 71
|Jun humidity = 72
|Jul humidity = 75
|Aug humidity = 78
|Sep humidity = 83
|Oct humidity = 83
|Nov humidity = 79
|Dec humidity = 73
|unit precipitation days = 0.1 mm
|Jan precipitation days = 6.3
|Feb precipitation days = 6.9
|Mar precipitation days = 8.7
|Apr precipitation days = 9.5
|May precipitation days = 11.8
|Jun precipitation days = 11.6
|Jul precipitation days = 12.1
|Aug precipitation days = 12.4
|Sep precipitation days = 13.9
|Oct precipitation days = 13.8
|Nov precipitation days = 7.7
|Dec precipitation days = 4.3
|year precipitation days =
|Jan sun = 117.2
|Feb sun = 101.1
|Mar sun = 134.9
|Apr sun = 164.9
|May sun = 180.4
|Jun sun = 165.5
|Jul sun = 169.8
|Aug sun = 159.1
|Sep sun = 91.7
|Oct sun = 89.6
|Nov sun = 99.3
|Dec sun = 121.7
|year sun =
| Jan percentsun = 37
| Feb percentsun = 32
| Mar percentsun = 36
| Apr percentsun = 42
| May percentsun = 42
| Jun percentsun = 39
| Jul percentsun = 39
| Aug percentsun = 39
| Sep percentsun = 25
| Oct percentsun = 26
| Nov percentsun = 32
| Dec percentsun = 40
| year percentsun =
|Jan snow days = 9.2
|Feb snow days = 5.3
|Mar snow days = 1.4
|Apr snow days = 0.2
|May snow days = 0
|Jun snow days = 0
|Jul snow days = 0
|Aug snow days = 0
|Sep snow days = 0
|Oct snow days = 0
|Nov snow days = 1.1
|Dec snow days = 4.2
|year snow days =
|source 1 = China Meteorological Administration{{cite web |url=http://data.cma.cn/data/weatherBk.html |script-title=zh:中国气象数据网 – WeatherBk Data |publisher=China Meteorological Administration |language = zh-hans |access-date=27 August 2023}}
{{cite web|url=https://experience.arcgis.com/template/e724038fda394e9d9b7921f10fd1aa55/page/%E7%BA%AF%E8%A1%A8%E6%A0%BC%E7%BB%9F%E8%AE%A1-(%E5%AF%B9%E6%AF%948110%E5%8F%98%E5%8C%96)/?org=UQmaps |script-title=zh:中国气象数据网|publisher=China Meteorological Administration |language = zh-hans | access-date =27 August 2023}}
}}
Transportation
Longnan 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
{{Reflist}}
{{County-level divisions of Gansu}}
{{authority control}}