Hengyang County 衡阳县 | |
|---|---|
 Location in Hengyang | |
  Hengyang County Location in Hunan | |
| Coordinates:26°58′11″N112°22′14″E / 26.96977°N 112.37065°E /26.96977; 112.37065 | |
| Country | People's Republic of China |
| Province | Hunan |
| Prefecture-level city | Hengyang |
| Seat | Xidu |
| Time zone | UTC+8 (China Standard) |
Hengyang County (simplified Chinese:衡阳县;traditional Chinese:衡陽縣;pinyin:Héngyáng Xiàn;lit. 'south ofMount Heng') is acounty and the5th most populous county-level division in theProvince ofHunan, China; it is under the administration ofHengyang prefecture-level city. Located in the north of Hengyang City and the southeast of Hunan province, the county is bordered to the north byShuangfeng County, to the west byShaodong County, to the south by the counties ofQidong andHengdong and the districts ofZhengxiang,Shigu, andZhuhui, and to the east byNanyue District andHengshan County. Hengyang County covers 2,558.61 km2 (987.88 sq mi) with a population of 1,235,100 (as of 2015). The county has 17towns under its jurisdiction, and thecounty seat isXidu Town (西渡镇).[1]
The county was the first time named after Hengyang in history; Hengyang County was formed through the amalgamation of the three counties ofLinzheng (临蒸),Xincheng (新城) andChong'an (重安) in 589 AD (Sui dynasty). After that, the county was again divided into three counties:Linzheng,Xincheng, andChong'an. The two counties ofXincheng andChong'an were merged into the county ofLinzheng, and the county ofLinzheng was turned back to the name of Hengyang in 732 AD.
The provincial city of Hengyang was established from three townships and urban areas of Hengyang County in January 1931.Hengnan County was formed from the 1st, 2nd, 4th and 9th districts in the southeastern portion of the county in April 1952, the county seat was transferred toXidu Town in July 1952.[2]
The county of Hengyang is located northwest ofHengyang City and the middle reaches of theXiang River. It bordersNanyue District andHengshan County to the east, and it is adjacent toZhengxiang District,Shigu District, andHengnan County in the south,Qidong County andShaodong County in the west, andShuangfeng County in the north. It is 74 kilometers from east to west and 55 kilometers from north to south.[3]
The mountainous part of the county is the extension of theHengshan range, rolling up and down. Its terrain is high in the northwest and low in the southeast, with hills and plains staggered. There are many plains on both sides of the rivers. TheZheng River runs through the county and merges with the river ofXiang at Shiguzui. It is convenient for water transportation, with the Xiang River and Zheng River as the main channel. Mineral deposits in the county are placer gold, ceramic mud, coal, kaolin, limestone, barite, lead, and zinc.[4]
Hengyang County is located in the transitional zone between the rise of theWuling Mountains and the subsidence ofDongting Lake, the northern edge of Hengyang Basin. The layers of tertiary red rock are deposited in the basin's center and are about 3,000 meters thick. A series of tenia fornices on the east, north, and west sides are centered around the central-south red basin, which has different structures.[3]
Hengyang has asubtropicalmonsoon climate with cool summers and warm winters, mainly warm and humid. The annual precipitation is 1,452 mm (57.2 in), the annual average temperature is about 17.9 °C (64.2 °F), the average temperature in January is 4.6 °C (40.3 °F) and in July is 30.3 °C (86.5 °F).[3]
| Climate data for Hengyang County, elevation 91 m (299 ft), (1991–2020 normals, extremes 1991–present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 27.4 (81.3) | 31.8 (89.2) | 33.5 (92.3) | 36.4 (97.5) | 37.1 (98.8) | 39.0 (102.2) | 40.8 (105.4) | 40.8 (105.4) | 39.0 (102.2) | 37.1 (98.8) | 32.6 (90.7) | 24.5 (76.1) | 40.8 (105.4) |
| Mean daily maximum °C (°F) | 9.3 (48.7) | 12.2 (54.0) | 16.4 (61.5) | 23.1 (73.6) | 27.8 (82.0) | 30.9 (87.6) | 34.4 (93.9) | 33.7 (92.7) | 29.9 (85.8) | 24.4 (75.9) | 18.4 (65.1) | 12.3 (54.1) | 22.7 (72.9) |
| Daily mean °C (°F) | 6.0 (42.8) | 8.5 (47.3) | 12.3 (54.1) | 18.4 (65.1) | 23.1 (73.6) | 26.6 (79.9) | 29.7 (85.5) | 28.8 (83.8) | 24.9 (76.8) | 19.6 (67.3) | 13.9 (57.0) | 8.2 (46.8) | 18.3 (65.0) |
| Mean daily minimum °C (°F) | 3.6 (38.5) | 5.8 (42.4) | 9.4 (48.9) | 15 (59) | 19.7 (67.5) | 23.5 (74.3) | 26.1 (79.0) | 25.4 (77.7) | 21.5 (70.7) | 16.3 (61.3) | 10.6 (51.1) | 5.3 (41.5) | 15.2 (59.3) |
| Record low °C (°F) | −4.5 (23.9) | −4.3 (24.3) | −0.9 (30.4) | 3.6 (38.5) | 10.0 (50.0) | 16.9 (62.4) | 18.8 (65.8) | 18.5 (65.3) | 10.5 (50.9) | 6.5 (43.7) | −0.3 (31.5) | −7.4 (18.7) | −7.4 (18.7) |
| Averageprecipitation mm (inches) | 68.3 (2.69) | 76.5 (3.01) | 145.2 (5.72) | 143.7 (5.66) | 181.7 (7.15) | 163.2 (6.43) | 123.8 (4.87) | 96.5 (3.80) | 56.1 (2.21) | 60.8 (2.39) | 74.2 (2.92) | 52.9 (2.08) | 1,242.9 (48.93) |
| Average precipitation days(≥ 0.1 mm) | 14.4 | 13.9 | 18.4 | 17.2 | 15.7 | 14.0 | 10.1 | 10.5 | 8.1 | 8.7 | 10.1 | 9.9 | 151 |
| Average snowy days | 3.6 | 2.0 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 1.0 | 7.1 |
| Averagerelative humidity (%) | 79 | 79 | 82 | 80 | 80 | 81 | 73 | 75 | 76 | 75 | 76 | 75 | 78 |
| Mean monthlysunshine hours | 53.5 | 52.4 | 63.5 | 92.1 | 121.1 | 128.6 | 219.8 | 190.7 | 144.2 | 119.4 | 107.4 | 91.2 | 1,383.9 |
| Percentagepossible sunshine | 16 | 16 | 17 | 24 | 29 | 31 | 52 | 48 | 39 | 34 | 33 | 28 | 31 |
| Source:China Meteorological Administration[5][6] | |||||||||||||
According to preliminary accounting of the statistical authority, thegross domestic product of Hengyang County in 2017 was 35,493 millionyuan (5,257 million US dollars), up by 8.5 percent over the previous year. Of this total, the value added of the primary industry was 7,108 million yuan (1,053 millionUS dollars), up by 3.5 percent, that of the secondary industry was 12,656 million yuan (1,874 million US dollars), up by 7.4 percent, and that of the tertiary industry was 15,729 million yuan (2,330 million US dollars), up by 12.2 percent. Thevalue added of the primary industry accounted for 20.03 percent of the GDP; that of the secondary industry accounted for 35.66 percent; and that of the tertiary industry accounted for 44.32 percent. The per capita GDP in 2017 was 33,115 yuan (4,905 US dollars).[7]
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