Administrative divisions of Xinshao County

1952 There are 3 19 townships in Xinshao County.

In 2000, Xinshao County governed 65,438+00 towns and 5 townships: Niangxi Town, Shicun Town, Jukoupu Town, Longxipu Town, Tangyan Town, Pingzhen Town, Chenzhen Town, Zhenshan Town, Xintianpu Town, Tanxi Town, Daxinxiang Town, Xiaotang Township, Taizhimiao Township, Yingguang Township and Tanfu Township.

In 2005, Xinshao County administered 10 towns, 5 townships, 659 villages and 25 neighborhood committees. The strata in Xinshao County are mainly Sinian, Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic and Cretaceous. The Sinian system is mainly exposed in Longshan, Daishan, Daxing and Banzishan. The CAMBRIAN is mainly distributed around the Sinian system, as well as the areas of Shangping Baiyunpu-Yijialing and Xiaoheli. The Ordovician is distributed in Xia Yuan, Zhongyuan, Fengshukeng and post-Li Chong. Silurian is exposed in some areas on the edge of the central mountain range. Devonian is distributed in Longshan foothills, Xintianpu, Longxipu, Longkouxi, Xiaoxi, Shang Ping, Zhangjiachong, Gao Qiao, Yijialing, Caojiaba, Chenhe Fuxi. Carboniferous is widely distributed in the hilly area in the south of the county seat. The Permian is mainly distributed in Quetangpu and Chen Jiaqiao. Triassic is distributed in Dahuatang and other places. Cretaceous is distributed in the south of the county seat and the area from Niangxi to the front of the temple. Other Tertiary and Quaternary only see fragments, which are slightly developed.

Magmatic rocks in Xinshao County mainly include Caledonian, Indosinian and Yanshanian granites. Caledonian granite is found in Yingguang area of this county, with a small area. Indosinian granite and Yanshanian granite are mainly produced in Xiayuan and Yingguang areas.

There are folds and faults in the strata of Xinshao County. Folds mainly include: Longshan dome, north of Chenbei and east of Sunjiaqiao, along the core of the dome, gold and antimony mineralization is common; Daxing Mountain-Longkou West Anticline; Shang Ping-Baomaling anticline; Tian Xin Ping-Curry syncline; Changchongpu-Douling syncline; Crossroads-Tiekeng syncline. The fault zones mainly include: the thrust fault zone on the eastern edge of Longshan dome, distributed from Fuxi to Taizhimiao and Maizipai; Tongzhutan-Gao Qiao thrust belt is located between Daxing Mountain, Longkou west anticline and Cai Xi to Baomaling. Longxipu-Zhongyuan Pu thrust belt is developed in Wuhu Temple, Longxipu and Zhongyuan Pu. Xinshao County has diverse landforms, large mountainous and hilly areas, high in the north and low in the south, open to the south and gradually declining. Zijiang River is connected with Xiangjiang River, and the surface cutting is intense, resulting in an area ratio of mountains, hills, plains, slopes and water surfaces of approximately 4.7: 2.2:1.5:1.2: 0.4.

The plain area of Xinshao County is 28 1.86 12 square kilometers (20 1 1 year), accounting for 16.00% of the total area of Xinshao County. Mainly rivers and valleys, distributed in the gentle zone of Zishui trunk, tributaries and tributaries of Xiangjiang River, such as Wang Jiaping, Tangkou, Xiaomiaotou and Xiaoxi along Zijiang River. The karst plain is surrounded by limestone hills all over the county.

Hillsides in Xinshao County are mainly concentrated in the south and north of the county, covering an area of about 198.06 square kilometers (20 1 1 year), accounting for1/0.23% of the county area. Among them, low hills and large areas belong to Shaoyang Basin, accounting for 5.07% of the county's total area. Gaogang is spread all over the country, accounting for 6.88% of the county's total area.

The hills in Xinshao County are mostly distributed in the transition zone between the southern hills and the central mountains, covering an area of 398.93 square kilometers (20 1 1 year), accounting for 22.63% of the area of Xinshao County.

The mountainous area of Xinshao County is located in the north-north belt of the east, middle and west of the county, with an area of 87 1.0256 square kilometers (20 1 1 year). It accounts for 49.4 1% of the total area of Xinshao County. The main mountain ranges are Tianlong Mountain, Shengda Mountain, Banzhu Mountain, Chuanyan Mountain, Jinlong Mountain, Langya Mountain and Longshan Mountain. Altitude 136 peaks, of which 3 1 is relatively large, and the highest peak is Longshan Yueping Peak, with altitude 1565438. Xinshao County has a subtropical continental monsoon humid climate, with the annual average temperature 17.0℃, the highest 1998 17.7℃ and the lowest 1984 16.2℃. The annual average total sunshine hours is 1480.5 hours, and the sunshine percentage is 33%. In 2003, the maximum was 1688.3 hours, and the sunshine percentage was 38%. 1982 is the least, 1258.3 hours, and the sunshine percentage is 28%. The precipitation is between the edge of the low-value area in Shao Heng and the high-value area in Meicheng. The annual average total precipitation is 1365.2 mm, decreasing from north to south, with 1500mm in the north, 1350 ~ 1450mm in the middle and 1300mm in the south. The annual average total evaporation is1201.6mm, with the maximum value of 19781385.4mm and the minimum value of 10 1654381. South wind predominates in July, and east wind predominates in other months. The annual average wind speed is1.0m/s. The annual average total frost days is 19 days. The annual average first frost period is165438+1October 25th, and the final frost period is February 26th. The average annual frost-free period is 27 1 day, 1980 is as long as 304 days, and 1986 is only 237 days. The average annual snowfall days are 12 days. 1985 has as many as 25 days, and 198 1 has only 2 days. The annual average first snow period is 65438+February 19, and the final snow period is February 25th.

Climatic characteristics of Xinshao County;

(1) Four distinct seasons, short spring and autumn, long winter and summer.

(2) There are heavy rains in April, May and June, and high temperature and drought in July and August.

(3) There are abundant light and hot water resources, but disasters such as drought, flood and low temperature are frequent, and disasters such as strong wind, hail, freezing and lightning strike are common.

(4) The complex terrain leads to obvious geographical differences in temperature, precipitation and illumination. The high temperature in the north and south is due to the low altitude, and the low temperature in the middle is due to the high altitude. The precipitation varies greatly throughout the year, especially because of the different topography and altitude. According to the record of 12 rainfall point in Xinshao County, the rainstorm, rainstorm, rainy day, snowy day and annual precipitation in Tanxi, Hongxi, Dahetan and Pingping are obviously more than those in other places, among which the rainstorm in Tanxi is the most. The maximum annual precipitation is 65,438+0,994, with Shang Ping reaching 23,565,438+0mm. The maximum monthly precipitation is 65438+547mm, which occurred in June of 0995, accounting for 36% of the annual precipitation. The maximum daily precipitation is165438+225.5mm on May 22nd, 998, accounting for 13% of the annual precipitation. Rizhao, the southern slope of the mountain range is 0.5~2.0 hours more than the northern slope every day.

(5) Winter tends to be warmer in recent 20 years, characterized by freezing period and severe cold period (average daily temperature ≤0.0℃ for ≥5 days). In the 1960s and 1980s, there were many freezing weather in winter, 1984 freezing 10 days. Since the 1990s, the freezing weather has obviously decreased, with only two days of freezing (outside the alpine mountain area) in 1993~2005.