Tuesday, February 6, 2024

Overview of Sihui City

Overview of Sihui City

Source: Sihui Municipal People’s Government Office

Time: 2023-03-09 09:01:33


【Build affiliation】



Sihui was the land of Baiyue in ancient times. In the 33rd year of Qin Shihuang (214 BC), Lingnan was pacified and Guilin County, Nanhai County, and Xiang County were established. Sihui County was established in the Qin Dynasty and belonged to Guilin County at the beginning. It belonged to the Nanyue Kingdom in the early Han Dynasty. In the sixth year of Yuanding of the Han Dynasty (111 BC), Emperor Wu destroyed the Nanyue Kingdom and restored counties. Sihui County was transferred to Nanhai County of Jiaozhou, and its jurisdiction included Sihui, Guangning, Huaiji, Sanshui, Heshan, Xinhui, and Jiangmen. , Kaiping, Taishan, Doumen and other counties, cities (districts) in whole or in part. In the fifth year of Wu Huangwu in the Three Kingdoms (226), it belonged to Nanhai County in Guangzhou; in the 13th year of Yuanjia in the Southern Song Dynasty (436), it belonged to Suijian County in Guangzhou (renamed Sui'an County in 480-502); in the ninth year of Emperor Kaihuang's reign in the Sui Dynasty (589), it belonged to Guangzhou General Administration Office, Renshou Yuan In 601, it belonged to Fanzhou, in the third year of Daye (607), it belonged to Nanhai County; in the fourth year of Tang Wude (621), it belonged to the Guangzhou Dudufu, in the fifth year of Wude (622), it belonged to Nansuizhou, Guangzhou, and in the eighth year of Zhenguan (634), it belonged to Lingnan Daozhenzhou, in the 13th year of Zhenguan (639), belonged to Guangzhou in the east of Lingnan; in the Five Dynasties and Ten Kingdoms and the first year of Qianheng of the Southern Han Dynasty (917), it belonged to the Xingwang Mansion; in the fourth year of Kaibao in the Northern Song Dynasty (971), it belonged to the Central Governor's Mansion of Guangzhou, and in the sixth year of Xining In 1073, it belonged to Duanzhou, Guangnan East Road (Guangdong); in the first year of Chonghe (1118), it belonged to Zhaoqing Prefecture; in the Southern Song Dynasty, it belonged to Zhaoqing Prefecture; in the 16th year of the Yuan Dynasty (1279), it belonged to the Xuanwei Division of Guangnan East Road, Zhaoqing Road; in the first year of Hongwu in the Ming Dynasty (1368), it belonged to the Zhaoqing Mansion of the Chief Envoy of Guangdong; in the 38th year of Jiajing (1559), it belonged to the Zhaoqing Mansion; in the first year of Shunzhi of the Qing Dynasty (1644), it belonged to the Zhaoqing Mansion of the Chief Envoy of Guangdong; in 1914, It belongs to the Guangdong Province; in 1920, it belonged to the Northwest Appeasement District; in 1936, it belonged to the Third District Commissioner's Office; in October 1949, it belonged to the Xijiang District Commissioner's Office; in May 1952, Sihui County and Guangning County merged and were called Guangsi County, belongs to the Administrative Commissioner's Office of Central Guangdong District; in July 1954, Guangsi County was divided into Guangning County and four counties, and still belonged to the Administrative Commissioner's Office of Central Guangdong District; in February 1956, it belonged to the Administrative Commissioner's Office of Gaoyao District; in October 1958 In April 1961, Sihui County and Guangning County merged again, still called Guangsi County, and belonged to the Jiangmen District Commissioner's Office; in April 1961, Guangsi County was again divided into Guangning County and Sihui County, and belonged to the Zhaoqing District Commissioner's Office; in March 1968 In January 1971, it belonged to the Zhaoqing Regional Revolutionary Committee; in January 1971, it belonged to the Zhaoqing Regional Administrative Office; in January 1988, it belonged to Zhaoqing City; in November 1993, the Sihui removed the county and established it as a city (county-level), under the direct jurisdiction of Guangdong Province, Zhaoqing City management. The municipal party committee and municipal government are located in Dongcheng Street. It is said that because the county is a place where four rivers flow together, it was named "Sihui" and the name of the county has been used to this day.


[Region changes]


During the Qin and Han Dynasties, Sihui County was long and narrow, extending to Guangning County and southeastern Huaiji County in the northwest, and to parts of counties and cities such as Xinhui, Taishan, and Doumen in the southeast. In the fifth year of Wu Huangwu's reign (226) in the Three Kingdoms period, Pingyi County (later Xinhui County) was set up in the southeast. In the 13th year of Yuanjia in the Southern Song Dynasty (436), Suijian County was established in the county, and Xinzhao County (today's Hengshan, Binheng, and Wuhe areas of Guangning County, governed in Miaocun) and Huameng County (today's Guangning County) were set up in the northwest. Nanjie, Dongxiang, Hangkou, and Luogang were governed in Dongxiang), Huaiji County, and Lecheng County (changed to Huazhu County in the early Tang Dynasty, and today Guangning County is located in the Gushui, Muge, Zhouzai, Shizui, and Qinggui areas. Governed in Lushui Village), Huacheng County (changed to Huamu County in the early Tang Dynasty, now Beishi, Jiangtun, Lianhe, Tanbu and Sihui County Jianggu and Jianglin areas in Guangning County are governed in Jianggu) and Suinan County (The area around Shijian in today's Guangning County was governed by Shijian). Lechang County was set up in the north of the county, covering the six counties of Lechang, Shichang, Song and Yuan Dynasties, Leshan, Yili and Anle, but there is no test of this place. By the Southern Qi Dynasty, Huaiji County had been separated from the county, and Huameng, Xinzhao, Lecheng, Huacheng, Suinan counties and Sihui County were more or less integrated. Hui and Huameng counties. In the sixth year of Kaibao in the Northern Song Dynasty (973), Huameng County was merged into Sihui County, and the county territory expanded. In the 38th year of the Jiajing reign of the Ming Dynasty (1559), parts of Taipingdu, Yongyidu, Dayudu, and Ganlandu were cut off and established as Guangning County. At that time, the county was reduced to a very small area. In May 1952, Guangning County and Sihui County jointly worked together and were called Guangsi County. In July 1954, Guangsi County was divided into Guangning County and Sihui County, and 16 townships, including Jianggu, Jianglin, Huangtian and Shigou, which originally belonged to Guangning County, were placed under the jurisdiction of Sihui County. From October 1958 to April 1961, although Guangning and Sihui counties were merged again, they were still divided according to the boundaries defined in July 1954. From then on, the county boundaries were fixed.


【County Administrative District】


Administrative Regions of the Qing Dynasty In the early Qing Dynasty, the administrative governance of the county was based on the township leading the capital and the capital leading the city. The ranges of townships, capitals, and villages vary widely in size. Some have several villages in one village, and some have many villages in one village. During the Guangxu period of the Qing Dynasty, it was changed to the village collar shop and village pipe laying. In the 11th year of Emperor Kangxi's reign in the Qing Dynasty (1672), the county had 4 townships: Jiqian, Yongning, Qingtai, and Chongshan, and 11 capitals, 31 bi, and 62 villages. In the 22nd year of Guangxu of the Qing Dynasty (1896), there were 52 shops in the county, including 6 in the city, 46 in the countryside, and 13 shops on the upper road were divided according to regions (Tiandong Pu, Liufu Pu, Fengming Pu, Wei Zheng Pu, Xia Lu Pu) Maopu, Shangguanpu, Shangmaopu, Longtoupu, Luoyuanpu, Futianpu, Lumingpu, Xiaguanpu, Furongpu), Shop 22 on Middle Road (Xianggui Pu, Shadi Pu, Qiaodong Pu, Miaobianpu, Sandengpu, Shishipu, Dengcunpu, Tiechangpu, Qingtangpu, Taotangpu, Xiapu, Yongqiaopu, Ganlanpu, Gaocunpu, Yaoshapu, Xishapu, Songpu Fupu, Gao'upu, Hexipu, Baishapu, Huangcunpu, Nanzhenpu), No. 17 lower road (Shanglinpu, Hegangpu, Luohupu, Fuxipu, Mashanpu, Huanggangpu, Cunmei Pu, Yixing Pu, Renju Pu, Lan Gang Pu, Shu Fu Pu, Long Fu Pu, She Fu Pu, Yong An Pu, Xing Shun Pu, Magang Pu, District Di Pu), as well as West Bank Pu, which originally belonged to Guangning County, Qushuipu, Chengcunpu, Fusanpu and other places were placed under the jurisdiction of Sihui County in July 1954.


Administrative divisions during the Republic of China In the early days of the Republic of China, the divisions below the county level still followed the Qing system. In 1920, the capital and pu were abolished and replaced by districts (towns) and townships. In 1932, there were 3 districts, 4 towns, and 54 townships. The first district has jurisdiction over 2 towns and 22 townships: Huicheng Town and Canggang Town. Townships 1 to 22 are named in numerical order; the second district has jurisdiction over 2 towns and 23 townships: Jingkou Town and Longqing Town (today's Weizheng). Longshou Township, Longji Township, Longtao Township, Longwen Township, Shangfu Township, Xiafu Township, Furong Township, Shangguan Township, Xiaguan Township, Neifeng Township, Waifeng Township, Weizheng Township, Tiandong Township, Tiansan Township, Liufu Township, Luming Township, Qingyuan Township, Shangmao Township, Shousi Township, Mabei Township, Tangdong Township, Jinjin Township, and Luoyuan Township; the three districts govern 9 townships: from Township One to Jiuxiang. Number order is the name. In 1941, 2 districts, 28 townships and 1 town were established. One district governs 1 town and 14 townships: Sihui Town, Yushan Township, Tiezhen Township, Gaoshi Township, Qingtang Township, Taochong Township, Shangluo Township, Huanggang Township, Dengcun Township, Xigan Township, and Longma Township, Yongfu Township, Anping Township, Cunwei Township, Nangang Township; the second district governs 14 townships: Weizheng Township, Luoyuan Township, Dongping Township, Donghe Township, Xiaguan Township, Shangguan Township, Neifeng Township, Waifeng Township , Liufu Township, Qingyuan Township, Xiamao Township, Shangmao Township, Furong Township, and Longtou Township. In 1948, the county was divided into 1 town and 16 townships: Huicheng Township, Fengshan Township, Xigan Township, Qinglian Township, Dengcun Township, Donghe Township, Jiangnan Township, Yonglong Township, and Longjiang Township , Longfu Township, Xiafeng Township, Shangfeng Township, Shangyuan Township, Luoyuan Township, Donghe Township, Dongping Township, and Weizheng Township. In August 1949, the township-level area was adjusted and divided into 1 town and 29 townships: Huicheng Township, Huanggang Township, Furong Township, Dengcun Township, Cunmei Township, Anping Township, Luoyuan Township, Shangmao Township, and Qingyuan Township , Qingtang Township, Xiamao Township, Longtou Township, Waifeng Township, Neifeng Township, Xiaguan Township, Shangguan Township, Tiezhen Township, Ganlan Township, Taochong Township, Gaoshi Township, Yongfu Township, Weizheng Township , Nangang Township, Xiyao Township, Wubao Township, Dongping No. 1 Township, Dongping No. 2 Township, Longma Township, Yushan Township, and Liulu Township. There are also Shigou Town, Mocun Township, Ma'an Township, Fozi Township, Jinkeng Township, Luqin Township, Mumuhu Township, Gejiang Township, Shiqiao Township, Huilong Township, and Da'ao that were under the jurisdiction of Guangning County during the Republic of China. Township, Gangbian Township, Jipan Township, Luodong Township, Futian Township, Qitian Township, Langkou Township, Haoyi Township, Lilang Township, Jinjin Township, Wantong Township, Yanlang Township, Gaowang Township, Cangxi Township, Xingxi Township, Majing Township, Huangtian Township, Luokou Township, Xi'an Township, Jiangtou Township and Jianggu Town, Jiangming Township, Jiangrong Township, Jiangle Township, Jiang'an Township, Jiangping Township, Jianghua Township, Jianghe Township and Jianggu Township were placed under the jurisdiction of Sihui County in July 1954.


Administrative districts after the founding of the People's Republic of China From the founding of the People's Republic of China to the autumn of 1958, the administrative divisions below the county level were divided into districts and townships. The scale of the district level basically remained unchanged, and the scale of the township level was not small but large. In September 1958, the People's Commune was established to implement the "integration of politics and society" to replace district and township political power. The district is divided into three levels: commune, production brigade, and production team. In August 1983, the people's communes were abolished and the district and township systems were reformed. In March 1987, the town (township) system was established, with administrative district offices under it, and village committees were established in each natural village. In October 1949, during the military control period at the beginning of the founding of the People's Republic of China, 4 districts, 1 town, and 19 townships were established. In July 1954, Guangsi County was divided into Guangning County and Sihui County, and Huangtian Township, Xiaoshui Township, Dashui Township, Wandong Township, Langkou Township, and Shiqiao Township under the jurisdiction of the Fourth District, which were originally under the jurisdiction of Guangning County, were , Chengcun Township, Gejiang Township (the above eight townships are also included in Huangtian Township and Shigou Township) and Jiangming Township, Jiangrong Township, Jiangle Township, Jiangan Township, Jiangping Township, Jianghua Township, Jianghe Township and Jianggu Township (the above 8 townships belong to Jianglin Township and Jianggu Township) are assigned to the jurisdiction of Sihui County. After being divided into counties, Sihui County was restructured into 5 districts, 1 district-level town, 79 townships, and 2 township-level towns. In March 1956, districts were withdrawn and merged into townships. The county was divided into 25 townships and 1 town: Qinglian Township, Xigan Township, Cangfeng Township, Longtou Township, Furong Township, Didou Township, Donghe Township, Weizheng Township, Luoyuan Township, Shangguan Township, Xiaguan Township, Shanglin Township, Annan Township, Fengle Township, Huanggang Township, Shigou Township, Dashui Township, Dengcun Township, Huangtian Township, Jianggu Township, Jianglin Township, Qingyuan Township, Longjiang Township, Xiamao Township, Shangmao Township, and Sihui Town. In January 1958, the original 25 townships were merged into 14 townships: Ganfeng Township, Qinglian Township, Huanggang Township, Dasha Township, Shigou Township, Jianggu Township, Xiamao Township, Didou Township, Jingkou Township, Wei Zheng Township, Luoyuan Township, Longjiang Township, Huangtian Township, Jianglin Township, and Sihui Town remain unchanged. In September 1958, people's communes were established to implement "unification of government and society" to replace district and township political power. The district is divided into three levels: commune, production brigade, and production team. Five people's communes were established in the county with the integration of government and society. Initially, the first to fifth communes in numerical order were named. In October, after the two counties of Guangning and Sihui were merged again, the name of the commune was changed to the local name. In January 1959, Sihui Town People's Commune was separated from Qingtang People's Commune and established. In June 1959, Huangtian People's Commune was separated from Shigou People's Commune and established, and was merged in December. In July 1959, the Shipping People's Commune was established, and later changed to the Water Transport People's Commune. In April 1961, Guangsi County was once again divided into Guangning County and Sihui County, reducing the scale of people's communes and dividing the original 7 people's communes into 15 people's communes, including Qingtang, Dasha, Sihui Town, and Shuiyun. The size of the commune remains unchanged; the original Didou People's Commune is divided into four people's communes: Didou, Jingkou, Weizheng, and Luoyuan; the original Shigou People's Commune is divided into three people's communes, Shigou, Huangtian, and Dengcun; the original Jianggu People's Commune The commune is divided into four people's communes: Jianggu, Longjiang, Xiamao and Jianglin. In November 1962, the Water Transport People's Commune was abolished and renamed the Water Transport Federation. In June 1963, Sihui Town People's Commune was renamed Huicheng Town People's Commune. In August 1983, the "political and social integration" system was changed, the people's communes were abolished, and district offices were established as agencies dispatched by the county government. Each district office remained the same size as the original people's commune, and a township government was established under the district office, with a scale equivalent to the original production In brigade and below the countryside, village committees are established in original production teams or natural villages. The Huicheng Town People's Commune was restructured into the Huicheng Town People's Government, with administrative districts and neighborhood committees under it. In 1984, Hui Town was renamed Sihui Town. In March 1987, the district office was changed to a town (township), which is a grassroots-level political power. The People's Congress was established and the town (township) people's government was established. At that time, except Jianglin, which was called a township, the rest were called towns. In accordance with the instructions of the Provincial People's Government, in order to avoid having the same name as Longjiang Town in Shunde, Longjiang District Office was renamed Longwan Town. At the same time, the township organizational system originally established based on brigades was abolished and replaced by villagers' committees, and villagers' groups were established in natural villages. In October 1988, the villagers' committee was changed to the management area office. Villagers' committees were established in natural villages below the management area, and residents' committees were established in market towns. In November 1992, Jianglin Township was changed to Jianglin Town. Since then, the county has 14 towns, 158 management district offices, and 25 residents' committees. On November 25, 1993, with the approval of the State Council, the county was removed from the county and established as a city (county level). It was directly under the jurisdiction of Guangdong Province and managed by Zhaoqing City. On December 18 of the same year, it was officially changed to a city. In March 1994, Xinjiang Town was separated from Dasha Town and established. On April 26 of the same year, with the approval of the Provincial People's Government, it was agreed to cancel the organizational structure of Sihui and Qingtang towns in Sihui City and reestablish Longfu Town and There are three sub-district offices in Zhenshan, Chengzhong and Dongcheng. In December 1996, there were 14 towns in the city, including Longfu, Didou, Weizheng, Luoyuan, Jingkou, Dasha, Xinjiang, Shigou, Huangtian, Dengcun, Jianggu, Jianglin, Longwan and Xiamao. There are 3 sub-district offices in Hechengzhong, Dongcheng and Zhenshan, 158 management areas and 24 neighborhood committees. In January 1999, all 158 management districts in the city elected new village committees and their leadership groups through voting by all voters. In August 2001, in accordance with the Organic Law of Neighborhood Committees, 26 new community neighborhood committees were elected from 26 neighborhood committees in the city. In November 2003, with the approval of the relevant superior departments, Xinjiang Town was abolished and its administrative area was merged into Dongcheng Street; Dengcun Town was abolished and its administrative area was merged into Zhenshan Street; Jianglin Town was abolished and its administrative area was merged into Jianglin Street Gu Town; Longwan Town was abolished and its administrative area was merged into Xia Mao Town. Since then, the city has been merged from 17 towns (subdistricts) into 13 towns (subdistricts), 159 village committees, and 25 neighborhood committees. In 2004 (the months are in order), Shatangkeng Village Committee and Jiangtou Village Committee in Huangtian Town merged and were called Jiangtou Village Committee; Landong Village Committee, Luokou Village Committee and Huangtian Village Committee merged. It is called Huangtian Village Committee; the merger of Majing Village Committee and Xi'an Village Committee is called Xi'an Village Committee; the merger of Xiaoshui Village Committee, Xingzigang Village Committee and Yanlang Village Committee is called Yanlang Village Committee; The merger of Gaolang Village Committee and Lilang Village Committee is called Lilang Village Committee; the merger of Progressive Village Committee and Wandong Village Committee is called Wandong Village Committee. The Mingxing Village Committee and Chengcun Village Committee of Shigou Town merged and were called Chengcun Village Committee; Xinfeng Village Committee and Dulang Village Committee merged and were called Dulang Village Committee; the Cluster Village Committee and Yukeng Village Committee The village committee merged and was called Yukeng Village Committee; the Liaopan Village Committee and Shigou Village Committee merged and was called Shigou Village Committee. Dantian Village Committee, Zhangluo Village Committee, Motang Village Committee, and Xiantian Village Committee in Jianggu Town were merged, and were called Xiantian Village Committee; incidentally, the Village Committee, Yankeng Village Committee, and Dadong Village Committee were merged. It is called Dadong Village Committee; Reservoir Village Committee and Xinwu Village Committee are merged, and it is called Xinwu Village Committee; Fozaitang Village Committee, Zhuoshan Village Committee, and Jianghe Village Committee are merged, and it is called Jianghe Village Committee. ; Lian'an Village Committee, Shildiao Village Committee, and Peiang Village Committee merged to be called Peiang Village Committee. The Xiabao Village Committee and Xiamao Village Committee of Xiamao Town merged and were called Xiamao Village Committee; Fengkeng Village Committee and Shiluo Village Committee merged and were called Shiluo Village Committee; Shanghuanggang Village Committee and Xiamao Village Committee merged and were called Shiluo Village Committee. Huanggang Village Committee merged and was called Huanggang Village Committee;, Nantang Village Committee merged and was called Nantang Village Committee. Luobu Village Committee and Dengzhai Village Committee in Didou Town merged and were called Dengzhai Village Committee; Hewanggang Village Committee and Dabutong Village Committee merged and were called Dabutong Village Committee; The merger of Hongguang Village Committee and Longtou Village Committee is called Longtou Village Committee; the merger of Sanjiangtang Village Committee, Lucun Village Committee and Baishitang Village Committee is called Baishitang Village Committee. Xinguang Village Committee and Bailong Village Committee of Zhenshan Street merged and were called Bailong Village Committee; Dawu Village Committee and Longtou Village Committee merged and were called Longtou Village Committee; Guanbei Village Committee and Hangkou Village Committee They merged and were called Hangkou Village Committee. In March 2004, the Shatianyuan Community Neighborhood Committee of Dongcheng Street was established; in May, the Chengzhong Community Neighborhood Committee of Chengzhong Street was divided into the Huajie Community Neighbors Committee; in October, the Canggang and Shawei Village Village Committees of Chengzhong Street and the Dongfanghong Village Committee of Dongcheng Street were established. Changed to a community neighborhood committee. In July 2006, the Longfu Community Neighborhood Committee of Longfu Town was established. In August 2008, the Bihaiwan Community Neighborhood Committee of Zhenshan Street was established. In November 2012, the Qingtang, Taotang, Taochong, Qianfeng, Shatou and Guanghui Village Committees of Dongcheng Street, the Dugang and Yaosha Village Committees of Zhenshan Street, and the Gaoshi Village Committee of Chengzhong Street were changed to For the community neighborhood committee. In April 2013, the Dasha Town Yucheng Community Neighborhood Committee was established. In January 2014, the Dongcheng Street Yucheng Community Neighborhood Committee was established; in July, the Longfu Town Zhengyuan Community Neighborhood Committee was established (cancelled in July 2020). In July 2020, the Longfu Town Zaisheiyuan Community Neighborhood Committee was cancelled; in September, the Dongfanghong Community Neighborhood Committee of Dongcheng Street was cancelled. In August 2021, part of the administrative jurisdiction of Dongcheng Street was changed and Dawang Street was established. As of December 2021, Sihui City has jurisdiction over 10 towns: Longfu, Didou, Weizheng, Luoyuan, Jingkou, Dasha, Shigou, Huangtian, Jianggu, and Xiamao, as well as Chengzhong, Dongcheng, Zhenshan, There are 4 sub-district offices in Dawang, with 113 villager committees, 48 ​​community neighborhood committees and 2168 villager groups.


【Geographic area】


Sihui is located at 112°25′25″-112°52′35″ east longitude and 23°11′40″-23°41′42″ north latitude. It is located in the west of central Guangdong Province and on the lower reaches of the West, North and Suisan Rivers. It borders Sanshui District of Foshan City to the east, Dinghu District of Zhaoqing City to the south, Guangning County to the northwest, and Qingxin District of Qingyuan City to the northeast. Belonging to the Pearl River Delta Economic Zone, it is the east gate and economic central area of ​​Zhaoqing City, the leading city of the Suijiang Economic Corridor, and the transportation hub from the Pearl River Delta to western Guangdong and Guangxi. The city's total area is 1,264.38 square kilometers.


【Geology】


The age of the strata exposed in the territory, from old to new, includes the Cambrian, Ordovician, Devonian, and Carboniferous systems of the Paleozoic, the Jurassic of the Mesozoic, and the Tertiary and Quaternary of the Cenozoic. Cambrian Bacun Group (TBC): Its third subgroup is sporadically exposed in Sanduini in Jingkou Town and Wawu Village in Weizheng Town. This layer is a geosynclinal shallow marine sandstone deposit. Ordovician (O): Mainly distributed in Huangtian, Shigou, Jianggu (Jianglin) and other places, Zhenshan Street, the west of Jianggu Town, Shanghuanggang in Xiamao Town, and Sangui Mountain in Didou Town are also exposed . Devonian System (D): distributed from Laoshan in Weizheng Town to Dabanlang in Didou Town, from Shixi in Qianjin Village, Dongcheng Street to Shantangzhai in Jingkou Village, Jingkou Town, from Shizhai in Luoyuan Town to Di The Dadong and Huangdi Ridge areas of Douzhen. Carboniferous (G): Only Huanggangwei and Dawang have sporadic exposures. This is a rock formation composed of shallow marine clastic rocks, carbonate rocks and alternating marine and continental phase coal-bearing clastic rocks. Lower Jurassic (JI): distributed in Weizhengwei and Lubu in Weizheng Town, Sanguishaping in Didou Town, Xiahuanggang in Xiamao Town, and Niubizui in Shigou Town. Lower third line (EB): Only the Jiang people in Dasha Town are exposed. Quaternary Series (Q): According to the origin, it is divided into alluvial phase, alluvial-pluvial phase and residual slope-deposition phase. According to the characteristics of geological development history, it is divided into five tectonic periods: Caledonian period, which is the period of geosyncline deposition; Indosinian period, which is the platform deposition period; Yanshanian period, which is the period of metamorphism; Yanshanian period The B period is the period of magmatic activity; the Himalayan movement period is the latest tectonic activity period.


【Landform】


The terrain of Sihui looks like an upright mulberry leaf, about 30 kilometers wide from east to west and about 45 kilometers long from north to south. The terrain slopes from northwest to southeast. The southwest and northwest are mountainous, the east and middle are hills with an altitude of 50 to 200 meters, and the southeast is a plain with an altitude of less than 20 meters. Among them, the mountains are 557.12 square kilometers, accounting for 44.3% of the city's total area; the hilly basins are 392.37 square kilometers, accounting for 31.2%; the plains are 308.11 square kilometers, accounting for 24.5%. According to the difference in natural terrain, it is divided into northwest mountainous areas: it borders Guangning County to the west and Qingxin District to the north, including Weizheng Town, Sangui Mountain in Didou Town, Twelve Belts and Lian'an in Jianggu Town, and Puzhou in Xiamao Town. Dong, Shiluo, Xiahuanggang and other places account for about 20% of the city's total area. The soil in such areas is shallow and thin, and is severely eroded by flash floods. Southwest along the river and mountain areas: including Huangtian, Shigou, and Dengcun, Zhenshan Subdistrict on both sides of the Suijiang River, accounting for approximately 35.3% of the city's total area. This area has undulating mountains, including Huangniutou Mountain, Bailuo Mountain, and Wuzhi Mountain with an altitude of more than 700 meters. The rest are mostly hills with an altitude of about 300 meters, which is a rainy area. Eastern hilly soil and water loss area: including most areas of Jingkou Town, the eastern part of the original Qingtang Town and Yuyun of Xiamao Town, as well as the Municipal Soil and Water Conservation Station and the original county tea and fruit farm. It runs north-south and has a long and narrow terrain. The hills in this area are high and close to the center of heavy rainstorms in Qingyuan. Rainwater erosion is severe, landslides and hills collapse, and soil erosion covers an area of ​​240 square kilometers. The central hilly area: belongs to the Longjiang River system, part of which belongs to the Manshui River system, including Luoyuan Town, Didou, Jianggu, and most areas of Xiamaolong Bay. Most of them are medium and low hills with an altitude of 50 to 150 meters; the vegetation is sparse. The forest is incomplete; the soil is generally eroded by rainwater, and the hills are formed into dong fields, dragon cave fields and terraced fields of varying widths. Southeast Plain Area: Located in the lower reaches of Longjiang, Suijiang and Beijiang, including Dasha Town, Zhaoqing High-tech Zone, Sihuicheng District, Jigangtang Farm and parts of the original Qingtang, Xia Mao, Longfu and Jingkou towns. The land in the area is flat and low-lying, and ponds are widely distributed. The soil is mostly river alluvial deposits and wide valley alluvial deposits. The soil layer is deep and rich in organic matter. There are 35 main peaks, including Sangui Mountain in the north, Yangjiaojian Mountain in the northeast, Bailuo Mountain and Wuzhi Mountain in the northwest, and Huangniutou Mountain in the southwest. All the mountain ranges belong to the remnants of the Nanling Mountains, meandering south from Guangning. The mountains slope towards the central and eastern parts respectively, forming mountainous and hilly areas that account for 55.7% of the city's total area.


【Hydrology】


Suijiang: In ancient times, it was called Huishui, Jianshui, and Suijianshui. It is a first-level tributary of Beijiang and is the largest river across the county. Originating from Zhengkengding (also known as Qianyaling) in Jiatian Township, Lianshan Zhuang and Yao Autonomous County, it flows through Huaiji and Guangning counties into the city; then passes through Huangtian, Shigou, Zhenshan Dengcun, Chengzhong Street, and Dongcheng It flows from Jiedie, Dasha and other places to Mafangjinkou and joins the Beijiang River; another branch flows from Taoyekou through Dashewe to Qingqiyong and joins the Xijiang River. The total area of ​​the Suijiang River Basin is 7,184 square kilometers, and the city's water catchment area is 1,015.43 square kilometers. The entire river is 226 kilometers long, and the river length within the city's territory is 49 kilometers. The average slope of the river bed is 0.254‰. Longjiang: known as Sanhe Water in ancient times, it is a second-level tributary of Beijiang River and a first-level tributary of Suijiang River. The main stream originates from Shipai Mountain in Pinggangdong, Guangning; the other two streams originate from Sangui Mountain in Didou Town and Jinjiling in Jingkou Town, and both flow to Longwan to merge into one. The whole river basin area is 421.7 square kilometers, and the city's basin area is 347.73 square kilometers; the whole river is 63 kilometers long, and the river length in the city is 34 kilometers. The average slope of the riverbed is 2.51‰, and it flows into the Suijiang River at Xiaohaikou in Sihui City District. The scope of the river system includes Jianglin, Didou, Jianggu, Longwan, Xia Mao, Chengzhong, Dongcheng, Jingkou and other places. Qushui River: Also known as Gaoshui, it is a second-level tributary of Beijiang River and a first-level tributary of Suijiang River. It originates from Jidantou (both Maying) in Shigou Town, flows through Daping, and goes down to Wandong in Huangtian to join the Suijiang River. The water collection area is 101 square kilometers, the river length is 22 kilometers, and the average slope of the river bed is 3.6‰. Heli River: Also known as Dengzhai River, it is a secondary tributary of Suijiang River and a tributary of Longjiang River. It originates from Sangui Mountain in Didou Town, flows through Dongping, Dengzhai and Talang, and joins Longjiang River in Tianliao, Longwan. The water collection area is 145 square kilometers, the river length is 18 kilometers, and the average slope of the river bed is 2.5‰. Manshui River: Weizheng River is a first-level tributary of Beijiang River. The main stream originates from Bingzi Mountain in Guangning County, flows out of Tankou and Sankeng in Weizheng Town, and joins Beijiang at Bu Street in Liuhe Town, Sanshui. The water catchment area of ​​the entire basin is 791 square kilometers, and the city area is 143.14 square kilometers. The entire river is 75 kilometers long, and the city's river length is 8.6 kilometers long. The average river bed gradient is 2.79‰. Dushui River: Also known as Duhe, it originates from Sanshui Liuhe Daling and is a first-class tributary of Beijiang. It flows through Zhaoqing High-tech Zone to Shuikouzhai and flows into Beijiang. The water catchment area of ​​the whole basin is 136 square kilometers, the internal water catchment area is 58.63 square kilometers, the total river length is 30 kilometers, the city's river length is 18 kilometers, and the average river bed gradient is 0.94‰. Among the characteristics of the rivers in the territory, the Suijiang and Longjiang are most closely related to floods and droughts, while the rise and fall of the Beijiang and Xijiang rivers have an important impact on the water levels of the Suijiang and Longjiang. In ancient times, there was a saying "If the Xijiang rises, the Qingqi will rise." If the mouth of the river cannot absorb water from the tributaries of the river; if the Beijiang River rises, the mouth of Nanjin cannot absorb the water of the runoff of the river." The Beijiang River is the main water outlet of the Suijiang River. If the water rises, the water in the Suijiang River will be difficult to subside. The Xijiang River is the largest water system in the Pearl River Basin, with rich runoff and ferocious floods. It has the characteristics of large peak volume and long duration. The Suijiang River starts from Taoye Mouth. It is diverted to the Qingqi River and flows out of the Xijiang River. It is often supported by the floods of the Xijiang River, causing the water level to rise. The city's average annual surface water runoff is 1.25 billion cubic meters, and the transit passenger water runoff is 7.08 billion cubic meters. There is a big difference between wet years and dry years; the sediment content of the water flow, the average annual sediment transport rate is 0.345 kg/s, and the sediment transport rate is 0.345 kg/s. The volume is 1.184 million tons.


【Climate】


Most areas within the territory are south of the Tropic of Cancer and have a subtropical monsoon climate with relatively high humidity, abundant heat, sufficient sunlight, abundant rainfall, a warm climate, a long frost-free period, and are suitable for farming in all seasons. Spring (according to the lunar calendar, the same below): From the beginning of spring to Grain Rain, the stationary front in South China is frequently active, with low temperatures, lots of rain, and less sunshine. After the Jingzhe, the temperature gradually rises and the rainfall becomes more and more, leading to the rainy season and the first flood season. At this time, cold air continues to move southward, and in a few years there will be "late spring cold" around the vernal equinox. Sometimes there will be one or two local hailstorms during the Grain Rain; at the same time, when the warm and humid air currents are weak and the dry and cold air is obvious, spring drought will occur in some years. Summer: From the beginning of summer to the summer, typhoons become active due to the influence of frontal troughs and ocean warm and moist airflow, which is the time when rainfall is most concentrated. Around the Dragon Boat Festival, "dragon boat water" usually appears. During this period, the temperature also increased significantly. During the period from Minor Heat to Major Heat, the highest temperatures of the year often occur. Due to strong heat convection, there are sometimes strong winds, thunderstorms and typhoons. After the Great Heat, there are mostly typhoons and hot thunderstorms, but under the control of subtropical high pressure, high temperature, drought and hot weather will also occur. Autumn: From the beginning of autumn to the frost, there will be a post-flood season before the autumnal equinox due to the control of the Pacific subtropical high pressure and the influence of typhoons. After the autumnal equinox, the activity of warm and humid air flow weakens, and the cold air from the north begins to move southward, causing the weather to become cooler, resulting in high and cool autumn weather. Before and after the cold dew, cold air frequently invades, causing "cold dew wind" weather. At this time, typhoon activity decreases and is stably controlled by the subtropical high pressure and the cold high ridge on the ground, resulting in long summers and short winters. The temperature distribution gradually decreases from southeast to northwest. The annual average temperature is about 19.8℃ in Weizheng Town and Jianglin area of ​​Jianggu Town in the north, about 21.5℃ in Dasha Town in the south, and about 20℃ in other areas. Rainfall decreases and autumn drought is prone to occur. Winter: The beginning of winter is a severe cold. Affected by the cold air and cold wave from the north, the climate is dry, the temperature drops, there is frost from time to time, and there is occasional ice in the northwest mountainous area. Under the influence of strong cold air, minor cold to major cold are the extremely cold periods of the year. In 2022, the climate in Sihui City will be inconsistent. The overall characteristics of the weather and climate throughout the year are: floods start early, "dragon boat water" is strong, extreme, and local floods are severe; the first typhoon is late, and there are many landfalling typhoons; there are many high-temperature days with high intensity Strong; the weather is obviously droughty in autumn. The annual average temperature is 21.9°C, basically the same as normal. There were 43 high-temperature days (daily maximum temperature ≥35°C) throughout the year, 14.7 days more than normal. Among them, the highest temperature was recorded on July 30 at 38.8°C. The number of sunshine hours was 1701.0 hours, 89.0 hours more than normal. The flood season started on March 24, which is earlier than normal (April 8). The annual rainfall is 1984.2 mm, about 10% more than normal. May 21st to June 20th is the period of concentrated rainfall ("Dragon Boat Water"), with a cumulative rainfall of 356.1 mm, 19% more than the same period in normal years (299.0 mm). There were 4 typhoons that affected Sihui City during the year, one of which was a tropical depression, and the others were Typhoon No. 2203 "Siamba", Typhoon No. 2207 "Mulan", and Typhoon No. 2209 "Ma'an". Among them, Typhoon No. 2203 "Siamba" "It has a serious impact on Sihui City, which has the characteristics of "strong typhoon intensity, wide impact range, large accumulated rainfall, and high disaster risk". Affected by this, from 08:00 on July 2 to 08:00 on July 6, heavy to heavy rainfall occurred in Sihui City. The average rainfall in the city was 194.8 mm. The maximum cumulative rainfall was 237.4 mm at Jianggu Reservoir in Jianggu Town. The maximum daily rainfall was at Huangtian Town Water Conservancy. The maximum wind speed was 135.1 mm (occurred on July 2); the maximum wind speed was 17.6 m/s (level 8, occurred at 18:13 on July 2) in Dengcun Neighborhood Committee, Zhenshan Street.


【Property resources】


The Fourth Meeting is the "Hometown of Chinese Citrus". Planted in the early Tang Dynasty, it was used as a tribute in the Ming Dynasty. During the Ming Dynasty, Sihui tribute tangerines were listed as court tributes and were well-known at home and abroad. Sihui Shatang Orange was rated as "Guangdong Famous Fruit". Sihui City Shatangjue Industrial Park was selected into the first batch of provincial modern agricultural industrial park construction lists in 2019 on March 7, 2019, and successfully passed the acceptance and performance evaluation of the Provincial Department of Agriculture and Rural Affairs on July 5-6, 2021 . The actual investment in the industrial park reached 234.2642 million yuan, with an investment completion rate of 116.14%. After the park was put into production, the effect of linking agriculture with agriculture was obvious. Shigou Town was selected into the first batch of 100 professional towns with "one village, one product, one town, one industry" and became the largest orchid planting base in the Pearl River Delta. The Fourth Meeting is the "Hometown of Chinese Jade". As one of the four major jade markets in Guangdong (Guangzhou, Sihui, Jieyang, and Pingzhou), Sihui has formed a complete industrial system integrating production, supply, sales, services, and tourism. In 2022, Sihui City will take multiple measures to promote the upgrading and high-quality development of the jade industry: First, conduct in-depth investigation and research to find out the bottom line of the industry. On how to speed up the upgrading of the jade industry and achieve high-quality development, we went deep into the grassroots level to conduct investigations and research, and formulated the "Implementation Opinions on Promoting the High-Quality Development of the Sihui Jade Industry" (draft for review) to provide a basis for the high-quality development of the Sihui Jade Industry. Point out the direction; second, comprehensively strengthen the construction of talent teams across the entire industry chain. Through the evaluation of professional titles of jade carvers, the professional title evaluation mechanism for industrial professional and technical personnel has been continuously improved. In 2022, a total of 23 jade carving practitioners have obtained professional and technical titles (including: 1 senior, 7 deputy senior, 9 intermediate, and 6 assistant name), and organized 29 jade industry practitioners to apply for high-level talents in Zhaoqing City. So far, a total of 14 people in the jade industry in Sihui City have been selected as high-level talents in Zhaoqing; third, they actively hosted jewelry and jade skills competitions. By hosting the 2022 National Light Industry Vocational Skills Competition "Success Cup" National Crafts Carving (Agate, Jade, Amber) Vocational Skills Competition, and the "Zhuangjia Cup" Guangdong Province Jade Carving Vocational Skills Competition, Zhaoqing City's first Internet marketer(Jewelry and Jade Industry) Employees’ vocational skills competition and other activities have improved the skill level of jade talents. In 2022, Sihui City will add 1 new national technical expert and 1 Guangdong provincial technical expert; fourth, it will comprehensively carry out government-school-enterprise cooperation in jewelry industry, academia and research, and help Guangzhou Huashang University establish a jewelry school. Currently, the Jewelry School of Guangzhou Huashang University is developing Apply for a jewelry design major and plan to start enrollment in 2023; fifth, further strengthen the guidance of jade e-commerce live broadcasts and enhance the influence of jade e-commerce live broadcasts in Sihui City. We have formulated and promulgated the "Work Guidelines on Regulating the Online Live Broadcast Marketing Activities of Jewelry and Jade in Sihui City (Trial)" and the "Self-Discipline Convention on the "Ten Don'ts" for the Jewelry and Jade E-commerce Industry in Sihui City" and other industry regulations; the sixth is to increase the jade culture We have made great efforts to attract investment in characteristic towns, actively maintained close exchanges and cooperation with Guangqing Holdings Group, etc., introduced new categories, and promoted the construction of the Guangdong Sihui Jade Culture and Art Museum project.


  【mineral resources】


The main minerals known to the Fourth Meeting include fuels, ferrous metals, non-ferrous metals, precious metals and non-metals. The fuel mines are mainly coal and are located in Yikeng, Shigou Town, and Sanguishan, Didou Town. They are low-quality coal and have a lot of gangue. There are natural gas reserves in Dasha Town. Metal mines include iron ores: mainly distributed in Yikeng, Shiqiao and Cluster in Shigou Town; Tiekeng, Hongqi and Nantang in Luoyuan Town; Dazhou and Nanlong in Weizheng Town; Guanghui, Qianfeng and Qianfeng in Dasha Town. Qianjin, Huanggang and other places. The iron content of the ore is 48%-52%, up to 58%. In addition, sporadic magnetite and limonite points are exposed in Xiamao, Didou, Jianggu, Huangtian and other towns. Pyrite: distributed in Xia Mao, Weizheng, Shigou, Zhenshan Dengcun, Didou and other places. Tungsten mines: distributed in Xiaokeng of Dengcun and Qingdong of Dongcheng Street. Tin mine: Distributed in Nandang, Shigou Town. Gold mines: Mineral sites that have been found to contain placer gold or vein gold include Jinkeng and Yankengwei in Shigou Town, Shangmao and Xiahuanggang in Xiamao Town, Gold Rush Well and Xiadalang in Weizheng Town, and Jianggu Town Daishan, Qingshuitang in Dengcun, Zhenshan, Lizhigang in Huangtian Town, Zhenshan Forest Farm in Zhenshan Street, etc. Copper mine: There are deposits in Dakengkou of Luoyuan Town and under Dongcheng Street. Non-metallic minerals include gypsum: mainly distributed in Jiangmin and Dabu in Dasha Town. The ore-bearing strata are Lower Tertiary inland lake sediments, including fiber gypsum, mud skin gypsum, ordinary gypsum and mineral gypsum. Limestone: distributed in Jingkou of Jingkou Town, Shizhai of Luoyuan Town, Nanlong of Weizheng Town, Shiqiao and Dulang of Shigou Town, etc. Oil shale deposits were discovered in Jiangmin Dakeng Village, Dasha Town. Quartz stone (vein): distributed in Guanghui of Dasha Town, Wandong of Huangtian Town, and Xiabu of Dongcheng Street. Clay: The wine bottle pit and lotus pond in Shigou Town have large reserves. Kaolin: Dabudong and Helanggang in Didou Town have relatively large reserves. Graphite: There are reserves in Shigou Town, such as Xiukeng, Da'an and Wanan. Baishi: There are treasures in Shangmao Leigong Mountain in Xiamao Town. Crystal Mine: There are deposits found in Xincun and Ushio of Wei Zheng Town. According to the "Sihui City Mineral Resources Plan (2006-2015)", coal, peat, oil shale, iron, copper, lead, zinc, tungsten, bismuth, gold, pyrite, gypsum, graphite, quartz, There are 24 kinds of minerals including ceramic soil, limestone for cement, dolomite for metallurgy, granite for construction, limestone for construction, sandstone for construction, sand for construction, shale for bricks and tiles, mineral water, groundwater, etc., and 76 mineral origins. In 2022, there will be 11 non-coal mining enterprises in the city, and the mining types are granite for construction, sandstone for construction, kaolin clay, and ceramic soil, which basically meet the needs of sand and gravel soil for construction projects.


  【Land Resources】


According to the results of the 2021 land change survey, the city (including Zhaoqing High-tech Zone) has a total land area of 126,300 hectares, including 142.22 hectares of wetland, 7609.61 hectares of cultivated land, 4787.70 hectares of plantation land, 71839.13 hectares of forest land, 2209.02 hectares of grassland, urban villages and industrial and mining land 14815.47 hectares, 2466.49 hectares of land for transportation, 20343.61 hectares of water and water conservancy facilities land, and 2083.85 hectares of other land.


【Water resources】


Sihui is rich in water resources. The main rivers in the territory are Suijiang and Longjiang. The longest river is Suijiang, with a total length of 226 kilometers, of which the Sihui river section is 49 kilometers long. According to the latest statistics available, the city's total water resources are 51.944 billion cubic meters, including 50.72 billion cubic meters of transit water flow and 1.217 billion cubic meters of local water flow. The average annual river runoff in the city is 1.217 billion cubic meters, and the passenger water flow in the city is 6.606 billion cubic meters, totaling 7.823 billion cubic meters. Calculated based on the city’s annual average surface water and shallow groundwater, the city’s annual per capita water volume is 3,298 cubic meters, which is more than the province’s annual per capita water volume; the annual average cultivated land volume per mu is 3,614 cubic meters, which is more than the province’s annual average water volume per mu. . Groundwater resources are mainly distributed in the areas along the Suijiang, Longjiang and Manshui river systems. For shallow groundwater, calculated at 22% of the average multi-year river runoff, its flow value is 268 million cubic meters. According to survey calculations, the city's theoretical hydropower resource reserves are 72,600 kilowatts and the developable capacity is 58,400 kilowatts.

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