泊头市近40年气温变化趋势及对农业影响分析OA
Effects of Air Temperature Variation Trend in Botou City in 40 Years on Agricultural Production
[目的]研究泊头市近40年来气温变化趋势及对农业生产的影响.[方法]利用泊头市1971～2010年的温度气候资料,利用最小二乘法进行线性倾向估计,分析泊头市气温变化趋势和农作物生长季(4～ 10月)气温变化趋势.[结果]近40年来年平均气温呈递增趋势,增温速率为0.328℃/10a;各季节气温均呈升温趋势,冬季气温增幅最大、夏季增幅最小；农作物生长季平均气温变化与年气温变化基本一致,呈增长趋势,线性增温速率为0.203℃/10a,较年平均气温的增…查看全部>>
[ Objective ] To study effects of air temperature variation trend in recent 40 years in Botou City on agricultural production. [ Method] Based on climate data in Botou City during 1971 -2010, the least-squares method was used to analyze air temperature variation trend during April-October. [ Result]The average temperature showed increasing trend with the rate of 0. 328 t/10a;the biggest temperature increasing occurred in winter, while the smallest in summer.…查看全部>>
王国坤;白洪英
河北省泊头市气象局,河北泊头062150河北省泊头市气象局,河北泊头062150
农业科技
泊头变化趋势影响分析
Botou Variation trend Influence analysis
《安徽农业科学》 2012 (30)
14889-14891,3
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