Hengnan County
Hengnan County
衡南县 | |
|---|---|
 Location in Hengyang | |
  Hengnan Location in Hunan | |
| Coordinates: 26°44′25″N 112°40′39″E / 26.74024°N 112.67750°E | |
| Country | People's Republic of China |
| Province | Hunan |
| Prefecture-level city | Hengyang |
| Seat | Yunji |
| Time zone | UTC+8 (China Standard) |
Hengnan County (Chinese: 衡南县; pinyin: Héngnán Xiàn; lit. 'south of Mount Heng') is a county located in the south of Hengyang prefecture-level city, Hunan province, China. It was established in 1952 and named after the south of Mount Heng.[1] The county has an area of 2,621.1 km2 (1,012.0 sq mi) with a population of 1,069,800 (as of 2015). The county of Hengnan has one township and 21 towns under its jurisdiction, and its seat is the town of Yunji (云集镇).[2]
History
[edit]The county of Hengnan was a part of Ling County (酃县) formed in 202 BC (Western Han period) and a part of Linzheng County (临蒸县), when Ling County was amalgamated to Linzheng County in 395 AD (Jin period), it became a part of Hengyang County formed through the amalgamation of the three counties of Linzheng (临蒸), Xincheng (新城) and Chong'an (重安) in 589 AD (Sui dynasty).[3]
It was approximately the territory of Qingquan County (清泉县) established from the south eastern part of Hengyang County in 1755 and merged to the county in 1912.[4] The county of Hengnan was reformed from the south eastern part of Hengyang County in 1952.[1]
Geography
[edit]The county of Hengnan is located in the central southeast of Hunan. It has borders with the cities of Leiyang and Changning to the south, Qidong County to the west, the two counties of Hengyang and Hengshan, three districts of Zhengxiang, Yanfeng and Zhuhui to the north, and two counties of Hengdong and Anren to the northeast and east. The county seat is Yunji Town.
The Xiang River flows from southwest to north throughout the county, its two major tributaries of Zheng and Lei rivers runs through most of the towns. The Ouyanghai Reservoir on the Chongling River irrigates thousands of hectares of arable land in the east. There are hundreds of rivulets, and three lakes of Longxiqiao, Shuangbanqiao and Doushanqiao.
As of 2013, the county had identified more than 30 metal and non-metallic minerals, mainly tungsten, copper-manganese, iron, uranium, aluminum gold, fluorite, barite, salt, coal, etc., in which barite with barium sulfate up to 94.8%.
The county has a subtropical monsoon humid climate with a sufficient heat, concentrated rainwater, cold winter and hot summer, distinct four seasons, variable spring temperatures, short freezing period, and long hot summer period. The average annual temperature is 17.8 degrees Celsius, annual rainfall is about 1268.8 millimeters, and the frost-free period is 287 days.[5]
Climate
[edit]| Climate data for Hengnan, elevation 137 m (449 ft), (1991–2020 normals, extremes 1981–present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 27.5 (81.5) |
32.4 (90.3) |
35.7 (96.3) |
36.2 (97.2) |
37.0 (98.6) |
38.0 (100.4) |
40.3 (104.5) |
41.6 (106.9) |
40.0 (104.0) |
38.2 (100.8) |
33.2 (91.8) |
25.2 (77.4) |
41.6 (106.9) |
| Mean daily maximum °C (°F) | 9.5 (49.1) |
12.5 (54.5) |
16.6 (61.9) |
23.3 (73.9) |
27.9 (82.2) |
31.0 (87.8) |
34.5 (94.1) |
33.9 (93.0) |
30.1 (86.2) |
24.7 (76.5) |
18.6 (65.5) |
12.5 (54.5) |
22.9 (73.3) |
| Daily mean °C (°F) | 6.0 (42.8) |
8.5 (47.3) |
12.4 (54.3) |
18.5 (65.3) |
23.1 (73.6) |
26.5 (79.7) |
29.5 (85.1) |
28.6 (83.5) |
24.9 (76.8) |
19.6 (67.3) |
13.8 (56.8) |
8.1 (46.6) |
18.3 (64.9) |
| Mean daily minimum °C (°F) | 3.6 (38.5) |
5.8 (42.4) |
9.5 (49.1) |
15.1 (59.2) |
19.6 (67.3) |
23.3 (73.9) |
25.6 (78.1) |
25.0 (77.0) |
21.4 (70.5) |
16.1 (61.0) |
10.4 (50.7) |
5.2 (41.4) |
15.1 (59.1) |
| Record low °C (°F) | −5.0 (23.0) |
−6.0 (21.2) |
−0.9 (30.4) |
3.2 (37.8) |
10.0 (50.0) |
13.0 (55.4) |
18.6 (65.5) |
17.9 (64.2) |
12.9 (55.2) |
4.0 (39.2) |
−1.1 (30.0) |
−7.7 (18.1) |
−7.7 (18.1) |
| Average precipitation mm (inches) | 79.1 (3.11) |
86.0 (3.39) |
164.3 (6.47) |
146.6 (5.77) |
179.3 (7.06) |
171.3 (6.74) |
121.1 (4.77) |
120.9 (4.76) |
49.5 (1.95) |
61.4 (2.42) |
79.6 (3.13) |
56.2 (2.21) |
1,315.3 (51.78) |
| Average precipitation days (≥ 0.1 mm) | 15.9 | 14.9 | 19.2 | 16.9 | 16.3 | 15.0 | 10.2 | 11.7 | 8.9 | 9.4 | 11.1 | 11.3 | 160.8 |
| Average snowy days | 3.5 | 1.8 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.1 | 6.8 |
| Average relative humidity (%) | 83 | 82 | 84 | 81 | 81 | 82 | 74 | 76 | 78 | 77 | 79 | 79 | 80 |
| Mean monthly sunshine hours | 51.8 | 54.2 | 65.6 | 94.8 | 122.3 | 134.7 | 231.5 | 197.6 | 147.6 | 121.4 | 105.6 | 86.5 | 1,413.6 |
| Percentage possible sunshine | 16 | 17 | 18 | 25 | 29 | 33 | 55 | 49 | 40 | 34 | 33 | 27 | 31 |
| Source: China Meteorological Administration[6][7]All-time September high[8]All-time Oct extreme[9] | |||||||||||||
Divisions
[edit]Economy
[edit]According to preliminary accounting of the statistical authority, the gross domestic product of Hengnan County in 2017 was 34,989 million yuan (5,182 million US dollars), up by 8.2 percent over the previous year. Of this total, the value added of the primary industry was 7,341 million yuan (1,087 million US dollars), up by 3.6 percent, that of the secondary industry was 14,927 million yuan (2,211 million US dollars), up by 6.3 percent and that of the tertiary industry was 12,721 million yuan (1,884 million US dollars), up by 13.4 percent. The value added of the primary industry accounted for 20.98 percent of the GDP; that of the secondary industry accounted for 42.66 percent; and that of the tertiary industry accounted for 36.36 percent. The per capita GDP in 2017 was 35,125 yuan (5,202 US dollars).[10]
External links
[edit]References
[edit]- ^ a b history of Hengnan / 衡南县历史沿革 see (2017-08-20) Archived 2018-04-17 at the Wayback Machine
- ^ the divisions and population in 2015, According to the Official Reply of Hunan Provincial Civil Affairs Department on Approving Township-level Division Adjustment Programmes of Hengnan County on November 18, 2015, see rednet.cn 《湖南省民政厅关于同意衡南县乡镇区划调整方案的批复》（湘民行发〔2015〕38号）
- ^ see cclycs.com (2017-09-14) Archived 2018-04-02 at the Wayback Machine
- ^ xzqh.org (2016-01-12)
- ^ Geography of Hengnan County / 衡南县自然地理 hengnan.gov (2018-02-20) Archived 2018-04-17 at the Wayback Machine
- ^ 中国气象数据网 – WeatherBk Data (in Simplified Chinese). China Meteorological Administration. Retrieved 11 June 2023.
- ^ "Experience Template" 中国气象数据网 (in Simplified Chinese). China Meteorological Administration. Retrieved 28 May 2023.
- ^ "Sina Visitor System" 【高温最后的疯狂】今天湖南江西浙江站点包揽高温榜前十，湖南衡南40℃排名第一。包括衡南在内，今天有7个站点气温打破9月最高纪录，上海浦东连续2天破纪录。今天有54站气温打破9月中旬最高纪录，上海徐家汇37.3℃平9月中旬最高纪录。今天4个省会直辖市出现高温，南昌杭州上海均创造了1951年以来，全年高温日数最多纪录。不过未来三天，冷空气南下，明天和后天，高温天气明显缩减，20日基本无高温。虽然不敢拍板说秋老虎彻底归隐，但短时间内，高温终于消停了。而北方地区未来气温波动下滑，秋意渐浓。今天太原全天气温低于20℃。明天西安和郑州也会全天低于20℃。而且明天早晨，北方还会有大量城市气温创立秋后新低。今晚被子要盖好，小心别着凉。 (in Simplified Chinese). weatherman_信欣 on Weibo. Retrieved 17 September 2025.
- ^ "Sina Visitor System" 【南方气温大面积破纪录】今天重庆綦江37.6℃刷新了昨天刚创的10月最高气温纪录，湖南衡山38.2℃追平10月最高纪录。今天重庆 四川 云南 广西 贵州 湖南 湖北 安徽 江苏 上海 浙江 江西 福建，共372个站点打破10月中旬最高气温纪录。江西上栗把原纪录提升了4.4℃，非常炸裂。破10月中旬纪录的省会直辖市有：福州 南昌 杭州 上海 重庆。 (in Simplified Chinese). weatherman_信欣 on Weibo. Retrieved 14 October 2025.
- ^ according to the Statistical Communiqué of Hengnan County on the 2017 National Economic and Social Development / 衡南县2017年国民经济和社会发展统计公报 see hengnan.gov (2018-03-12) Archived 2018-04-18 at the Wayback Machine or ahmhxc.com (2018-04-02)
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