山西省朔州市2019年气候变化特征及其对农作物的影响分析

Characteristics of Climate Change in Shuozhou City of Shanxi Province in 2019 Analysis of Impact on Crops

2019年,朔州市降水量接近常年略偏少,降水时空分布不均,春季偏多,其余季节偏少;全市平均气温偏高;年日照时数全市偏多。年内,各类灾害性天气给全市工农业生产及人民生活造成了一定影响。春季平均气温偏高,降水偏多,利于春耕春播顺利进行。夏季平均气温偏高,降水偏少,但农作物需水关键期降水充足,对农作物后期生长极为有利。冰雹、短时强降水、雷雨大风、暴雨等灾害性天气均为局地出现,没有造成大范围灾情,对农作物减产影响不大。秋季平均气温偏高,降水偏少,初霜冻导致晚熟作物贪青晚熟。冬季平均气温接近历年,降水偏少。

In 2019,the precipitation in Shuozhou is slightly less than that of all the year round,with uneven spatial and temporal distribution of precipitation.It is more in spring and less in other seasons;The average temperature of the whole city is too high;Annual sunshine hours in the whole city more.During the year,all kinds of severe weather had a certain impact on the city's industrial and agricultural production and people's life.The average temperature in spring is higher and the precipitation is more,which is conducive to the smooth spring plowing and sowing.In su mmer,the average temperature is high and the precipitation is low,but the precipitation is sufficient in the critical period for crop water demand,which is very favorable for crop growth in the later period.Severe weather,such as hail,shorttime heavy precipitation,thunderstorm,gale and rainstorm,all occurred locally,causing no large-scale disasters and having little impact on crop production reduction.Autumn average temperature is higher,precipitation is less,early frost leads to late crop coveting green late.The average temperature in winter is close to that of previous years,and the precipitation is low.