Located in the southeast of Gansu Province, the northwest of Tianshui City and the upper reaches of Weihe River. Gangu County has a temperate continental monsoon climate with a total area of 1572.6 square kilometers. By the end of 20021,the permanent population of Gangu county was 501.800 million.
Gangu, called "Ji" in ancient times, is an important birthplace of Qin people and the place where China county governance began. Founded in 688 BC, it has a history of more than 2,700 years, and is known as "the first county in China". 1958, Gangu and Zhang Xian were revoked and merged into Wushan county. 1962, the original Gangu County was restored. By the end of 2022 10, Gangu county had jurisdiction over 13 towns and 2 townships.
There are many cultural relics and historic sites in Gangu County, and it has been awarded the titles of "Hometown of Pepper in China", "Hometown of Apple in China", "Hometown of Pepper in China" and "Hometown of Wushu in China" successively.
natural resource
1, water resources
The surface water in Gangu County is mainly concentrated in four rivers: Weihe River, Sandu River, Gupo River (upstream of the river) and Xixi River. The total length of main rivers is 13 1. 1 km, the catchment area in the county is 1572.6 km2, and the average annual runoff is 86.604 million cubic meters. Except for the high salt content and poor water quality, Sandu River is not suitable for irrigation, and all others meet the irrigation standards.
2. Groundwater
The groundwater in Gangu County is mainly concentrated in river valleys and rivers, and the narrow areas on both sides of the Weihe River are divided into floodplains and first and second terraces, all of which are composed of loose rocks and are replenished by river water and rainfall. The reserve is 47,908,900 cubic meters, and the maximum open reserve is 33,555.38+0.00 cubic meters. The underground water quality is basically good, but Anyuan Township, Linjiadianzi Township, Dashi Township and Guansi in the lower reaches of Sandu River can not be used for irrigation, but can be used for salt production. In areas with good water quality, groundwater can be extracted by drilling wells.
3. Land resources
The cultivated land area in Gangu County is1258,800 mu, the per capita possession is10.97 mu, the basic farmland area is10/0.65 million mu, and 655,800 mu of terraced fields have been built, with a terraced rate of 90% in suitable areas.
The above contents refer to Baidu Encyclopedia-Gangu County.