临沂市农业气候资源分析

Study on Agricultural Climate Resources in Linyi City

利用1961—2016年临沂市气象观测站的气象资料,采用统计分析方法,对近56年临沂市农业市气候资源状况进行了分析。结果表明,近56年来临沂气候资源丰富且配置较好;日照资源丰富,可以满足农作物生长发育的需要;热量条件好,积温多,日较差大,无霜期长;降水量丰富,雨热同季,绝大部分的降水量在生长季,对作物生长有利。不利方面,日照时数呈明显下降趋势,对长日照作物生长和设施农业生产不利;年平均气温上升明显,暖冬现象严重,病虫害的发生日益严重,春霜冻灾害加剧;夏季易出现局部内涝;降水量呈下降趋势,旱涝灾害频发。

Using the meteorological data of Linyi meteorological station from 1961 to 2016,the status of agricultural climate resources in Linyi City in recent 56 years was analyzed by statistical analysis methods. The results showed that Linyi City had abundant climate resources and good configuration in the past 56 years. Sunshine resources was rich,which could meet the needs of crop growth and development;Heat conditions were good, accumulated temperature was more,daily range was big,frost-free period was long. Precipitation was abundant, rain and heat were in the same season, the vast majority of precipitation was in the growing season, which was beneficial to the growth of crops. On the unfavorable side, the sunshine hours showed a clear downward trend, which was unfavorable to the growth of long-day crops and facility agricultural production. The annual average temperature increased significantly, the phenomenon of warm winter was serious, the occurrence of pests and diseases was more and more serious, the spring frost disasters was aggravated; There was a tendency of local waterlogging in summer ; precipitation showed a down-ward trend, and droughts and floods were frequent.