内蒙古赤峰市2017年生长季气候概况及其对农业生产的影响评价

选取内蒙古赤峰市2017年4—9月气温、降水量、日照时数等要素,通过数理统计,分析了赤峰市作物生长季气候概况、主要气象灾害及其对农业的影响。分析结果表明：（1）赤峰市2017年生长季平均气温为18.1℃,比常年偏高1.0℃;降水量为387.0 mm,比常年偏多8%;日照时数为1 637 h,比常年偏多48 h;（2）赤峰市2017年生长季内主要气象灾害有干旱、暴雨洪涝、龙卷风、大风、冰雹等,给农业生产造成一定损失;（3）赤峰市2017年生长季内光热条件充足,水分条件南部适宜、北部稍差,气象条件对农业生产利大于弊。

Overview of Climate Conditions in the Growing Season in 2017 of Chifeng of Inner Mongolia and Assessment of Their Impact on Agricultural Production

Based on the observation data of temperature, precipitation, sunshine hours and other meteorological factors from April to September in 2017 of Chifeng, the climate overview, main meteorological disasters, and their influence on agricultural production in the growing season were statistically analyzed. The results showed that the average temperature in the growing season is 18.1 ℃ which was 1.0 ℃ higher than the normal years; the precipitation was 387.0 mm which was increased by 8%compared to the normal years; the sunshine hours was 1 637 h which was 48 h more than the normal years; the main meteorological disasters in the growing season included drought, rainstorm, flood, tornado, strong winds and hail, and all these disasters brought losses for agricultural production; the light and heat condition were adequate in the growing season, the water condition was suitable in the south region of Chifeng and was slightly poor in the north region. In general, in terms of agricultural production, the advantages of the meteorological conditions in the growing season in 2017 of Chifeng outweigh the disadvantages.