Ulan County
Ulan or Wulan (Mongolian: ᠤᠯᠠᠭᠠᠨ ᠰᠢᠶᠠᠨ; Tibetan: དབུས་ལམ་རྫོང་།; Chinese: 乌兰县) is a county of Qinghai Province, China. It is under the administration of Haixi Mongol and Tibetan Autonomous Prefecture. County seat is Xireg.
The name of the county comes from a Mongolian word which means "red".
Administrative divisions
Ulan County is divided into 4 towns.
| Name | Simplified Chinese | Hanyu Pinyin | Tibetan | Wylie | Mongolian (traditional script) | Mongolian (Cyrillic) | Administrative division code |
|---|---|---|---|---|---|---|---|
| Towns | |||||||
| Xireg Town (Xirig, Xiligou) |
希里沟镇 | Xīlǐgōu Zhèn | ᠰᠢᠷᠢᠭᠢ ᠪᠠᠯᠭᠠᠰᠤ | Ширх балгас | 632821100 | ||
| Qaka Town (Chaka, Caka) |
茶卡镇 | Chákǎ Zhèn | ཚྭ་ཁ་གྲོང་རྡལ། | tshwa kha grong rdal | ᠴᠠᠺᠠ ᠪᠠᠯᠭᠠᠰᠤ | Цака балгас | 632821101 |
| Hohod Town (Keke) |
柯柯镇 | Kēkē Zhèn | ᠬᠥᠬᠡᠳ ᠪᠠᠯᠭᠠᠰᠤ | Хээд балгас | 632821102 | ||
| Tongpu Town (Toinbo) |
铜普镇 | Tóngpǔ Zhèn | མཐོན་པོ་གྲོང་རྡལ། | mthon po grong rdal | ᠲᠤᠩᠫᠦ᠋ ᠪᠠᠯᠭᠠᠰᠤ | Тунпу балгас | 632821103 |
Other: Mohe Livestock Farm, Haixi Prefecture (海西州莫河畜牧场)
Climate
| Climate data for Ulan, elevation 2,950 m (9,680 ft), (1991–2020 normals) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | −1.8 (28.8) |
2.7 (36.9) |
7.8 (46.0) |
13.8 (56.8) |
17.8 (64.0) |
20.8 (69.4) |
23.1 (73.6) |
23.0 (73.4) |
18.9 (66.0) |
12.2 (54.0) |
5.0 (41.0) |
−0.6 (30.9) |
11.9 (53.4) |
| Daily mean °C (°F) | −10.6 (12.9) |
−5.8 (21.6) |
−0.1 (31.8) |
6.1 (43.0) |
10.8 (51.4) |
14.1 (57.4) |
16.2 (61.2) |
15.7 (60.3) |
11.3 (52.3) |
4.0 (39.2) |
−3.6 (25.5) |
−9.5 (14.9) |
4.1 (39.3) |
| Mean daily minimum °C (°F) | −17.2 (1.0) |
−12.7 (9.1) |
−6.8 (19.8) |
−0.9 (30.4) |
3.9 (39.0) |
7.9 (46.2) |
10.2 (50.4) |
9.7 (49.5) |
5.4 (41.7) |
−2.2 (28.0) |
−9.9 (14.2) |
−15.9 (3.4) |
−2.4 (27.7) |
| Average precipitation mm (inches) | 2.2 (0.09) |
2.2 (0.09) |
3.6 (0.14) |
6.9 (0.27) |
25.8 (1.02) |
43.1 (1.70) |
54.2 (2.13) |
38.3 (1.51) |
22.4 (0.88) |
4.6 (0.18) |
1.7 (0.07) |
0.9 (0.04) |
205.9 (8.12) |
| Average precipitation days (≥ 0.1 mm) | 2.9 | 2.3 | 2.9 | 3.3 | 7.3 | 11.1 | 11.6 | 9.5 | 6.6 | 2.5 | 1.5 | 1.3 | 62.8 |
| Average snowy days | 4.0 | 3.2 | 4.3 | 3.8 | 2.0 | 0.2 | 0.1 | 0.1 | 0.1 | 1.8 | 2.2 | 2.2 | 24 |
| Average relative humidity (%) | 43 | 35 | 31 | 33 | 40 | 51 | 56 | 54 | 51 | 40 | 40 | 41 | 43 |
| Mean monthly sunshine hours | 223.7 | 215.4 | 244.8 | 267.9 | 276.6 | 251.7 | 263.0 | 260.0 | 240.4 | 257.8 | 237.3 | 227.5 | 2,966.1 |
| Percent possible sunshine | 72 | 70 | 65 | 67 | 63 | 57 | 59 | 63 | 66 | 75 | 79 | 76 | 68 |
| Source: China Meteorological Administration | |||||||||||||
| Climate data for Chaka, Ulan County, elevation 3,088 m (10,131 ft), (1991–2020 normals) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | −2.2 (28.0) |
1.7 (35.1) |
6.8 (44.2) |
12.7 (54.9) |
16.6 (61.9) |
19.2 (66.6) |
21.5 (70.7) |
21.3 (70.3) |
17.2 (63.0) |
10.9 (51.6) |
4.1 (39.4) |
−1.0 (30.2) |
10.7 (51.3) |
| Daily mean °C (°F) | −10.9 (12.4) |
−7.1 (19.2) |
−1.8 (28.8) |
4.5 (40.1) |
9.2 (48.6) |
12.5 (54.5) |
14.9 (58.8) |
14.3 (57.7) |
9.9 (49.8) |
2.6 (36.7) |
−5.0 (23.0) |
−9.8 (14.4) |
2.8 (37.0) |
| Mean daily minimum °C (°F) | −18.2 (−0.8) |
−14.7 (5.5) |
−9.2 (15.4) |
−3.3 (26.1) |
2.1 (35.8) |
6.4 (43.5) |
9.0 (48.2) |
8.4 (47.1) |
4.1 (39.4) |
−4.1 (24.6) |
−12.1 (10.2) |
−16.9 (1.6) |
−4.0 (24.7) |
| Average precipitation mm (inches) | 1.2 (0.05) |
1.8 (0.07) |
3.3 (0.13) |
7.5 (0.30) |
26.3 (1.04) |
51.3 (2.02) |
58.8 (2.31) |
48.2 (1.90) |
27.2 (1.07) |
4.9 (0.19) |
1.4 (0.06) |
0.5 (0.02) |
232.4 (9.16) |
| Average precipitation days (≥ 0.1 mm) | 1.9 | 2.0 | 2.7 | 3.6 | 8.4 | 12.2 | 13.6 | 11.0 | 7.8 | 2.6 | 0.9 | 0.7 | 67.4 |
| Average snowy days | 2.8 | 2.9 | 4.3 | 4.0 | 2.4 | 0.2 | 0 | 0 | 0 | 1.8 | 1.7 | 1.2 | 21.3 |
| Average relative humidity (%) | 36 | 33 | 31 | 33 | 44 | 55 | 59 | 58 | 56 | 43 | 35 | 35 | 43 |
| Mean monthly sunshine hours | 231.2 | 221.4 | 255.2 | 269.9 | 267.5 | 233.5 | 248.5 | 253.2 | 235.7 | 261.3 | 245.1 | 233.5 | 2,956 |
| Percent possible sunshine | 75 | 72 | 68 | 68 | 61 | 53 | 56 | 61 | 64 | 76 | 81 | 78 | 68 |
| Source: China Meteorological Administration | |||||||||||||
Transportation
The county is served by the Qinghai-Tibet Railway, which has a station at the county seat. There is also a freight-only branch to the salt works on the Chaka Salt Lake near Chaka Town, in the southeastern part of the county.
References
- ^ "海西州第七次全国人口普查公报（第二号）——各市县、行委常住人口情况" (in Chinese). Government of Haixi Prefecture. 2021-07-02.
- ^ 中国气象数据网 – WeatherBk Data (in Simplified Chinese). China Meteorological Administration. Retrieved 27 September 2023.
- ^ 中国气象数据网 (in Simplified Chinese). China Meteorological Administration. Retrieved 27 September 2023.
- ^ 中国气象数据网 (in Simplified Chinese). China Meteorological Administration. Retrieved 27 September 2023.
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