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Haiyan County
海晏县 · ཧའེ་ཡན་རྫོང་། | |
---|---|
Coordinates: 36°53′48″N 100°59′40″E / 36.8966°N 100.9944°E | |
Country | China |
Province | Qinghai |
Autonomous prefecture | Haibei |
County seat | Sanjiaocheng Town |
Area | |
• Total | 4,443.1 km2 (1,715.5 sq mi) |
Population (2020)
[1] | |
• Total | 37,729 |
• Density | 8.5/km2 (22/sq mi) |
Time zone | UTC+8 ( China Standard) |
Website |
www |
Haiyan County, Qinghai | |||||||
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Chinese name | |||||||
Simplified Chinese | 海晏县 | ||||||
Traditional Chinese | 海晏縣 | ||||||
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Tibetan name | |||||||
Tibetan | ཧའེ་ཡན་རྫོང་། | ||||||
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Mongolian name | |||||||
Mongolian script | ᠬᠠᠢᠶᠠᠨ ᠰᠢᠶᠠᠨ |
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.
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.
Haiyan County is made up of 2 towns, 3 townships, and 1 ethnic township:
Name | Simplified Chinese | Hanyu Pinyin | Tibetan | Wylie | Administrative division code | Notes |
---|---|---|---|---|---|---|
Towns | ||||||
Sanjiaocheng Town (Karsursum Town) |
三角城镇 | Sānjiǎochéng Zhèn | མཁར་ཟུར་གསུམ་གྲོང་རྡལ། | mkhar zur gsum grong rdal | 632223100 | |
Xihai Town (Rubco Town) |
西海镇 | Xīhǎi Zhèn | རུབ་མཚོ་གྲོང་རྡལ། | rub mtsho grong rdal | 632223101 | |
Townships | ||||||
Jintan Township (Sêrtang Township) |
金滩乡 | Jīntān Xiāng | གསེར་ཐང་ཞང་། | gser thang zhang | 632223200 | |
Qinghaihu Township (Co'ngoinbo Township) |
青海湖乡 | Qīnghǎihú Xiāng | མཚོ་སྔོན་པོ་ཞང་། | mtsho sngon po zhang | 632223202 | |
Ganjig Township (Wa'gyog Township, Ganzihe Township) |
甘子河乡 | Gānzǐhé Xiāng | ཝ་མགྱོགས་ཞང་། | wa mgyogs zhang | 632223203 | |
Ethnic township | ||||||
Haljin Mongol Ethnic Township (Bai'gyain Township) |
哈勒景蒙古族乡 | Hālèjǐng Ménggǔzú Xiāng | དཔལ་རྒྱན་ཞང་། | dpal rgyan zhang | 632223201 | (
Mongolian) ᠬᠠᠯᠵᠢᠨ ᠮᠣᠩᠭᠣᠯ ᠦᠨᠳᠦᠰᠦᠲᠡᠨ ᠦ ᠰᠤᠮᠤᠨ |
Climate data for Haiyan (1991–2020 normals) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
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) | 2.5 | 2.4 | 5.1 | 6.9 | 12.3 | 15.4 | 16.4 | 15.8 | 15.2 | 8.5 | 3.6 | 2.7 | 106.8 |
Average snowy days | 4.4 | 5.3 | 7.9 | 7.3 | 5.0 | 0.6 | 0.2 | 0.2 | 0.7 | 6.9 | 5.1 | 4.5 | 48.1 |
Average relative humidity (%) | 53 | 50 | 50 | 53 | 59 | 65 | 71 | 74 | 74 | 67 | 60 | 57 | 61 |
Mean monthly sunshine hours | 237.1 | 229.6 | 259.1 | 259.1 | 257.4 | 234.2 | 239.7 | 237.4 | 207.0 | 229.8 | 234.7 | 233.4 | 2,858.5 |
Percent possible sunshine | 76 | 74 | 69 | 65 | 58 | 54 | 54 | 57 | 56 | 67 | 78 | 78 | 66 |
Source: China Meteorological Administration [3] [4] |