The geographical environment of surabaya county

Surabaya county is located in the south-central part of Shandong Province, at the southern foot of Taiyi Mountain, with the north latitude of 35 28 ′-35 48 ′ and the east longitude of117 5 ′-117 35 ′. The county borders Pingyi in the east, Qufu in the west, Zoucheng in the south, Xintai in the north and Ningyang in the northwest. The maximum horizontal distance from east to west is 46 kilometers, and the maximum vertical distance from north to south is 40.6 kilometers.

The county seat is located in the middle and west of the county seat, downstream of the Jihe River. It is 40 kilometers east of Pingyi County and 35 kilometers in the county. 47 kilometers south to Zoucheng city and 20 kilometers to the county seat; 30 kilometers west to Qufu city, to the county boundary 17.5 kilometers; It is 80km away from xintai city in the north and 17.5km away from the county boundary. The rivers in the territory belong to the Huaihe River system, with 33 east-west flows, with a total length of 4 12.4 kilometers and a drainage area of 10 15.54 square kilometers. Sihe River is the only big river in China. Originated in Pei Wei Mountain in Quanlin Town, four springs of Redstone, Pearl, Tugboat and Hei Hu gushed out from the mountain and merged into a stream, which is the source of Sihe River. The total length of Sihe River in surabaya county is 52 kilometers, with the proportion reduced to 1%, and there are 32 main tributaries, with a total length of 360.4 kilometers. There are three rivers: Huanggou River, Jihe River and Shilou River, with a drainage area of 100 square kilometers. After the establishment of People's Republic of China (PRC), the Sihe River and its tributaries were regulated many times, and the rivers were dredged. At the same time, three medium-sized reservoirs, 82 small reservoirs and many ponds and dams have been built in Sihe River Basin.

There are many springs in the territory, especially in the spring forest area in the east. There are many springs, including "seventy-two springs, eighteen springs, and Koizumi is a dime a dozen", so it enjoys the reputation of "the hometown of springs in China". Mainly: Springs and nymphs include pearls, ringing water, washing dishes, Hei Hu, Redstone, tugboat and other springs. The flow rate of spring water is 1.355 cubic meters per second; The total flow in day and night is 1 17072 cubic meters. Crevasse springs include double crevasse springs, pearl springs, stone valleys, gypsum springs and snowflake springs. Located in the south of Panpo Village, Quanlin Town, the flow rate is 0.444 cubic meters per second, and the total day and night flow rate is 3836 1.6 cubic meters. In addition, there are Shilou Spring, Dongyandian Shiqiu Spring, Zhaojiaquan, Black Tiger Spring, Lijiapo Spring, Wangjia Linquan, Dabao Village Spring and Pearl Spring. Numerous springs, rivers, lakes and reservoirs add a beautiful spirit to Surabaya.