Haiyan County, Qinghai

Haiyan County (Chinese: 海晏县; Tibetan: ཧའེ་ཡན་རྫོང་།) is a county of Qinghai Province, China, located on the northeast shore of Qinghai Lake. It is under the administration of Haibei Tibetan Autonomous Prefecture.

Haiyan County
海晏县 · ཧའེ་ཡན་རྫོང་།
Town of Xihai
Town of Xihai
Location of Haiyan County (red) within Haibei Prefecture (yellow) and Qinghai province
Location of Haiyan County (red) within Haibei Prefecture (yellow) and Qinghai province
Haiyan is located in Qinghai
Haiyan
Haiyan
Location of the seat in Qinghai
Coordinates: 36°53′48″N 100°59′40″E / 36.8966°N 100.9944°E / 36.8966; 100.9944
CountryChina
ProvinceQinghai
Autonomous prefectureHaibei
County seatSanjiaocheng Town
Area
 • Total4,443.1 km2 (1,715.5 sq mi)
Population
 (2020)[1]
 • Total37,729
 • Density8.5/km2 (22/sq mi)
Time zoneUTC+8 (China Standard)
Websitewww.haiyanxian.gov.cn
Haiyan County, Qinghai
Chinese name
Simplified Chinese海晏县
Traditional Chinese海晏縣
Tibetan name
Tibetanཧའེ་ཡན་རྫོང་།
Mongolian name
Mongolian scriptᠬᠠᠢᠶᠠᠨ ᠰᠢᠶᠠᠨ

History edit

A major nuclear research facility, Plant 221 (221厂), better known as China's First Research Center for Nuclear Weapons (中国第一个核武器研制基地), was established in 1958 at the location called Jinyintan (金银滩) in Haiyan County.[2] The site has been on the List of Major National Historical and Cultural Sites in Qinghai since 2001.

Administrative divisions edit

Haiyan County is made up of 2 towns, 3 townships, and 1 ethnic township:

NameSimplified ChineseHanyu PinyinTibetanWylieAdministrative division codeNotes
Towns
Sanjiaocheng Town
(Karsursum Town)
三角城镇Sānjiǎochéng Zhènམཁར་ཟུར་གསུམ་གྲོང་རྡལ།mkhar zur gsum grong rdal632223100
Xihai Town
(Rubco Town)
西海镇Xīhǎi Zhènརུབ་མཚོ་གྲོང་རྡལ།rub mtsho grong rdal632223101
Townships
Jintan Township
(Sêrtang Township)
金滩乡Jīntān Xiāngགསེར་ཐང་ཞང་།gser thang zhang632223200
Qinghaihu Township
(Co'ngoinbo Township)
青海湖乡Qīnghǎihú Xiāngམཚོ་སྔོན་པོ་ཞང་།mtsho sngon po zhang632223202
Ganjig Township
(Wa'gyog Township, Ganzihe Township)
甘子河乡Gānzǐhé Xiāngཝ་མགྱོགས་ཞང་།wa mgyogs zhang632223203
Ethnic township
Haljin Mongol Ethnic Township
(Bai'gyain Township)
哈勒景蒙古族乡Hālèjǐng Ménggǔzú Xiāngདཔལ་རྒྱན་ཞང་།dpal rgyan zhang632223201(Mongolian)
ᠬᠠᠯᠵᠢᠨ ᠮᠣᠩᠭᠣᠯ ᠦᠨᠳᠦᠰᠦᠲᠡᠨ ᠦ ᠰᠤᠮᠤᠨ

Climate edit

Climate data for Haiyan (1991–2020 normals)
MonthJanFebMarAprMayJunJulAugSepOctNovDecYear
Mean daily maximum °C (°F)−2.0
(28.4)
1.6
(34.9)
6.2
(43.2)
11.3
(52.3)
14.8
(58.6)
17.6
(63.7)
19.6
(67.3)
19.1
(66.4)
15.1
(59.2)
10.0
(50.0)
4.5
(40.1)
−0.2
(31.6)
9.8
(49.6)
Daily mean °C (°F)−12.6
(9.3)
−8.4
(16.9)
−2.8
(27.0)
3.2
(37.8)
7.3
(45.1)
10.8
(51.4)
12.9
(55.2)
12.1
(53.8)
8.0
(46.4)
1.7
(35.1)
−5.6
(21.9)
−11.1
(12.0)
1.3
(34.3)
Mean daily minimum °C (°F)−21.2
(−6.2)
−16.9
(1.6)
−10.3
(13.5)
−4
(25)
0.5
(32.9)
4.4
(39.9)
6.7
(44.1)
6.3
(43.3)
2.7
(36.9)
−4.4
(24.1)
−12.9
(8.8)
−19.4
(−2.9)
−5.7
(21.8)
Average precipitation mm (inches)1.1
(0.04)
1.3
(0.05)
6.3
(0.25)
18.7
(0.74)
44.3
(1.74)
67.7
(2.67)
91.3
(3.59)
93.2
(3.67)
65.3
(2.57)
17.7
(0.70)
5.1
(0.20)
1.8
(0.07)
413.8
(16.29)
Average precipitation days (≥ 0.1 mm)2.52.45.16.912.315.416.415.815.28.53.62.7106.8
Average snowy days4.45.37.97.35.00.60.20.20.76.95.14.548.1
Average relative humidity (%)53505053596571747467605761
Mean monthly sunshine hours237.1229.6259.1259.1257.4234.2239.7237.4207.0229.8234.7233.42,858.5
Percent possible sunshine76746965585454575667787866
Source: China Meteorological Administration[3][4]

See also edit

References edit

  1. ^ "海北州第七次全国人口普查公报(第一、二、三、四、五、六号)" (in Chinese). Government of Haibei Prefecture. 2022-12-02.
  2. ^ Where China Built Its Bomb, Dark Memories Haunt the Ruins, By CHRIS BUCKLEY and ADAM WU JAN. The New York Times, 20, 2018
  3. ^ 中国气象数据网 – WeatherBk Data (in Simplified Chinese). China Meteorological Administration. Retrieved 27 September 2023.
  4. ^ 中国气象数据网 (in Simplified Chinese). China Meteorological Administration. Retrieved 27 September 2023.