Shaowu's geographical environment

Shaowu City is located in the northwest of Fujian Province, at the southern foot of Wuyi Mountain, and in the middle and upper reaches of Futunxi, a tributary of Minjiang River. The land span is 26 north latitude? 55? —27? 35? East longitude 1 17? 2? — 1 17? 52? . It is adjacent to Jianyang District in Nanping City in the northeast, Shunchang County in the southeast, Jiangle, Taining and Jianning counties in Sanming City in the south, lichuan county City in Jiangxi Province in the west and Guangze County in the northwest.

Shaowu is 78 kilometers wide from east to west and 7 1 km long from north to south, with a total area of 2836.73 square kilometers. Qiujiaji in Shuibei Town is the northernmost, Huajiashan in Nakou Town is the easternmost, and Jianyang District is adjacent to the northeast. The southernmost part is Donggan Mountain in Hongdun Town, bordering Shunchang County in the southeast and Jiangle, Taining and Jianning counties in Sanming City in the south. The westernmost point is Yanguan in Guilin Township, which is connected with lichuan county in Jiangxi Province and faces Guangze County in the northwest. Shaowu has a subtropical monsoon climate. According to the data of Shaowu weather station, the continental degree is 56.2%. The territory is influenced by marine air masses and continental air masses, so the climate has the following main characteristics.

1, the monsoon climate is obvious. Influenced by the dry and cold air mass in Chinese mainland in winter and spring, the northwest wind blows mostly, and the temperature is low, but there is no severe cold; From June to August, it is controlled by warm and humid air masses in the ocean. Southerly winds prevail, the temperature is high and there is no heat. Because it is located in Wuyishan District, the wind is small and mostly static.

2. The stereoscopic climate is obvious. The territory is characterized by complex terrain and continuous mountains. Most major mountain ranges run from northeast to southwest. The altitude difference from the highest point to the lowest point is1383m, and the temperature difference is 6 ~ 7℃. The eastern terrain is low and gentle, and the altitude is mostly below 200 meters, with the best climatic conditions; Towns and towns such as Zhangcuo, Guilin and Jinkeng are characterized by high terrain, mountainous areas, cold water and poor climatic conditions.

3. The rainfall is abundant, but unevenly distributed. The average annual rainfall in China is between 65,438+0,500 and 265,438+000 mm, which varies greatly during the year, and the difference between the longest year and the smallest year is nearly 65,438+0 times. In a year, the distribution of rainfall is uneven between seasons and months. It is rainy in spring and summer, with floods; There is little rain in autumn and winter, and it is prone to drought. About 865,438+0% of the annual rainfall is concentrated in March-September, especially in May-June, accounting for more than one third of the annual total.

4, four distinct seasons, short winter and long summer, foggy all year round. Summer is 4 1 day longer than winter, and spring is 26 days longer than autumn. The annual average foggy days are 1 17.6 days, the maximum year is 144 days, and the minimum is 97 days. The longest continuous foggy day reaches 12 days; The average number of foggy days per month in the second half of the year is above 10.

5. Bad weather is more prominent. There are cold in spring, cold in late spring, hail and strong wind, and occasional heavy rain or heavy rain. In summer, there are heavy rains, heavy rains, floods, high temperatures, droughts, strong thunderstorms, strong winds, and occasionally "May Cold". There is drought, cold dew wind and occasional autumn rain in autumn. There is frost, freezing, heavy snow and occasional cold wave in winter.