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. It is home to 原子城 (Atomic Bomb city) covering 570 km²
Haiyan County
海晏县 · ཧའེ་ཡན་རྫོང་། | |
|---|---|
 Town of Xihai (西海镇) | |
.png.webp) Location of Haiyan County (red) within Haibei Prefecture (yellow) and Qinghai province | |
  Haiyan Location of the seat in Qinghai | |
| Coordinates: 36°53′48″N 100°59′40″E | |
| Country | People's Republic of China |
| Provinces of China | Qinghai |
| Autonomous prefecture | Haibei |
| Time zone | UTC+8 (China Standard) |
| Haiyan County, Qinghai | |||||||
|---|---|---|---|---|---|---|---|
| Chinese name | |||||||
| Simplified Chinese | 海晏县 | ||||||
| Traditional Chinese | 海晏縣 | ||||||
| |||||||
| Tibetan name | |||||||
| Tibetan | ཧའེ་ཡན་རྫོང་། | ||||||
| |||||||
Climate
| Climate data for Haiyan (1981−2010) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average high °C (°F) | −2.1 (28.2) |
1.0 (33.8) |
5.5 (41.9) |
10.7 (51.3) |
14.6 (58.3) |
17.2 (63.0) |
19.2 (66.6) |
18.8 (65.8) |
14.6 (58.3) |
9.6 (49.3) |
4.2 (39.6) |
−0.3 (31.5) |
9.4 (49.0) |
| Average low °C (°F) | −21.7 (−7.1) |
−17.5 (0.5) |
−10.6 (12.9) |
−4.4 (24.1) |
0.3 (32.5) |
4.1 (39.4) |
6.3 (43.3) |
5.5 (41.9) |
2.0 (35.6) |
−4.8 (23.4) |
−13.6 (7.5) |
−19.8 (−3.6) |
−6.2 (20.9) |
| Average precipitation mm (inches) | 1.1 (0.04) |
1.6 (0.06) |
5.3 (0.21) |
17.4 (0.69) |
44.4 (1.75) |
67.8 (2.67) |
88.8 (3.50) |
91.3 (3.59) |
61.1 (2.41) |
19.4 (0.76) |
3.8 (0.15) |
1.9 (0.07) |
403.9 (15.9) |
| Source: National Meteorological Center of CMA[1] | |||||||||||||
Economy
A major nuclear research facility, Plant 221 (221厂), was established in 1958 at the location called Jinyintan (金银滩) in Haiyan County.[2]
References
- 1981年-2010年（海晏）月平均气温和降水 (in Simplified Chinese). National Meteorological Center of CMA. Retrieved 25 November 2022.
- Where China Built Its Bomb, Dark Memories Haunt the Ruins, By CHRIS BUCKLEY and ADAM WU JAN. The New York Times, 20, 2018
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