Environmental data of Longmen

Longmen County is located between Jiulian and Luofu Mountain. Jiulian Mountain system extends to the county, sending branches to the east and southeast, and connecting with Luofu Mountain range. The mountains in the territory are undulating, overlapping and criss-crossing, forming a "mountainous hometown". There are 65,438+00 river valleys between mountains and hills of 5-70 square kilometers.

The main river in Longmen County is Zengjiang, which runs through the north and south of the county. Zengjiang River is one of the three tributaries of Dongjiang River. Longmen is commonly known as Longmen River, and Xilin River is near the county seat. Originated in Qixingling, Xinfeng, it flows through Xinfeng, Longmen and Zengcheng, and flows into Dongjiang at Sunjiapu, Zengcheng. There are 7 tributaries in the county, with a catchment area of 100 square kilometers, of which 6 are Zengjiang tributaries, namely Lantian River, Tiegang River, Baisha River, Pugeshui and Yonghan River, and the other is the upstream of Gongzhuang River, a tributary of Dongjiang River, which is called Longmen Pinglingshui.

Longmen county has a subtropical monsoon climate. Mountain area is the main reason that affects the climate difference in Longmen County, which leads to the diversity and complexity of the climate in this county.

Longmen has obvious mountain climate characteristics, and the temperature difference between north and south is large, which can reach about 5℃. A dry northerly monsoon prevails in winter and a warm and humid southerly monsoon prevails in summer. Spring warmth comes late, and the temperature rises quickly in late spring; There is a lot of rain in summer; Autumn cool comes early, and the temperature drops obviously in autumn; In winter, the daily temperature difference is large, with different degrees of low temperature and frosty weather. Due to the influence of topography, unstable warm and humid air masses can form a convective weather system, which leads to more thunderstorm weather in Longmen County, with an average annual thunderstorm day of 78 days, belonging to a minefield.