Weather in Lingqiu, Datong, Shanxi

Hunyuan, belonging to Datong City, Shanxi Province, is located in the northeast of Shanxi Province, in the middle and upper reaches of Hunhe River, a tributary of Sanggan River. It is bordered by Guangling in the east, Lingqiu and Fan Shi in the southeast, and Datong and Yanggao in the north, with a total area of 1966 square kilometers. It has jurisdiction over 6 towns, 358 administrative villages and 12 townships, with a total population of 343,486 (20 10).

Hunyuan originated in the Western Han Dynasty and was named after the Tang Dynasty. Because the Hunhe River originated in the county seat, it was named Hunyuan. There are scenic spots such as Mount Hengshan and Hanging Temple in the territory.

Organizational system evolution

Hunyuan belonged to Jizhou in Xia and Shang Dynasties. Hengshan Town was a state in the Western Zhou Dynasty. In the Spring and Autumn Period, it belonged to the country.

The first county of Qin Shihuang, called Yan County, belongs to Yanmen County. Soon it was renamed Pingshu, which belonged to Dai Jun.

In the Western Han Dynasty, Pingshuo County was abandoned and became Hun County, which belonged to Hengshan County. Wang Mang was changed to Mazhang County in the New Dynasty, and it still belongs to Changshan (Hengshan) County. The Eastern Han Dynasty restored the name of Ma County, and later it was the Three Kingdoms.

In the Northern Wei Dynasty, the capital was moved to Pingcheng (now Datong), which was renamed Shicheng County and belonged to SHEN WOO County. The first year of Tianxing was renamed Lushan County. In the Eastern Wei Dynasty, it was changed to Langzhou. During the Northern Qi Dynasty, it was changed to the Northern County Order.

At the beginning of the Sui Dynasty, the Northern County Order was renamed Pingkou County, and later changed back to Ma County. Hunyuan was called Hunyuan in Tang Dynasty because Hunhe River originated in this county.

During the Five Dynasties, Suizhou in Jinxian County was still Hunyuan.

In the second year of Jin Zhenyou (12 14), Hunyuan House was established in the county.

At the beginning of the Yuan Dynasty, Hunyuan was changed to Hengyin County, which belonged to Xijing (Datong) and was soon reused as Hunyuan County.

During the Ming and Qing Dynasties, it was called Hunyuan House, which belonged to Datong House.

In May of the first year of the Republic of China, it was changed to Hunyuan, and then it belonged to Yanmen Road. During the War of Resistance against Japanese Aggression period, the mountainous areas in the north and south of the county were anti-Japanese bases, belonging to the Shanxi-Chahar-Hebei border region. 1937, which belongs to the First Administrative Inspector Office of Shanxi Province. 1939, which belongs to the government of Shanxi-Chahar-Hebei Border Region and the Yanbei Office of Cha 'nan. 1940 to 1945 are the second, fifth and first agencies of the Shanxi-Chahar-Hebei border region government. Hunyuan was liberated in 1945. 1947 belongs to Yanbei organization in Chahar province.

1952 returned to Shanxi province. It belongs to the Yanbei institution of Shanxi Province, and later changed to the Jinbei institution of Shanxi Province, and the Yanbei District Administrative Office of Shanxi Province.

1993 Yanbei area merged with Datong City, which is a county under the jurisdiction of Datong City.

geographical environment

Location context:

Hunyuan is located between 39.67 ~ 39.83 north latitude and113.72 ~13.92 east longitude, on the southeast edge of Datong basin in the northeast of Shanxi Province, in the middle and upper reaches of Hunhe River, a tributary of Sanggan River. It borders Guangling in the east, meets the county in the west, borders Lingqiu and Fan Shi in the southeast, and connects Datong and Yanggao counties in the north by Liu Ling.

Climatic characteristics:

Hunyuan belongs to temperate continental monsoon climate zone, with dry and windy spring, warm and rainy summer, cool autumn and cold and dry winter. The annual average temperature is 6.2℃, the average rainfall is 424.6 mm, and the average frost-free period is1/kloc-0 ~120 days in mountainous areas. Hun yuan has a typical continental climate, with little snow in winter, cold weather and plenty of sunshine. Spring is dry, windy and windy. The summer is mild, and the rainy season is concentrated (from late July to early September), with local heavy rain to heavy rain and frequent mountain torrents. In autumn, the weather is cool, sunny, with good visibility and stable weather. Winter and spring are long, and summer and autumn are short.

The average annual precipitation in Hunyuan is 388mm, the maximum annual precipitation is 595mm, and the minimum annual precipitation is 215.8 mm. The precipitation in March-May accounts for 15% of the annual precipitation, 6 1% in June-August, 22% in 9 ~ 10, and 6 ~. The annual average evaporation 1932.3mm, the annual maximum evaporation is 2395.5mm, the evaporation is greater than the precipitation, and the initial groundwater is 3 ~10 m. ..

The north wind prevails in Hunyuan every month of the year, with an annual average wind speed of 3.5m/s, which is higher in winter and spring and lower in summer and autumn. The extreme maximum wind speed reaches 33.7m/s, and the maximum frozen soil depth is1.29 ~1.5m. ..