[Objective] The aim was to study the influence of abnormal climate in Fushun City in 2010 and its influences on agriculture.[Method] In response to the abnormal climate in Fushun in 2010,the atmosphere circulation cha...[Objective] The aim was to study the influence of abnormal climate in Fushun City in 2010 and its influences on agriculture.[Method] In response to the abnormal climate in Fushun in 2010,the atmosphere circulation characteristics of abnormal climate and their influences on each aspect of agriculture were expounded.[Result] The abnormal weather in Fushun City in 2010 was as follows:extreme low temperature in spring,much precipitation,more precipitation in each month,less sunshine hours,abnormally less precipitation in July and August,having five times of heavy rain.The main atmosphere circulation features were extreme strong of vortex in March and frequent cold air activity;strong high pressure ridge in Mountain Ural in Middle April,west and strong east Asian Trough and strong front in middle and north part of Asia;middle and high latitude in Asia in May was wide trough region.The subtropical high ridge of the north front was more north than that in other common years and the position of west ridge was more conductive to the transportation of water vapor and formation of rain;because of extreme strong vortex in July and August,subtropical high was conductive to the cold air in the north moving south and the transportation of south water vapor.The extreme climate brought adverse influences on each aspect of agriculture and resulted into large economic losses.[Conclusion] The study provided references for the improvement of abnormal climate forecast and disaster prevention capacity.展开更多
文摘[Objective] The aim was to study the influence of abnormal climate in Fushun City in 2010 and its influences on agriculture.[Method] In response to the abnormal climate in Fushun in 2010,the atmosphere circulation characteristics of abnormal climate and their influences on each aspect of agriculture were expounded.[Result] The abnormal weather in Fushun City in 2010 was as follows:extreme low temperature in spring,much precipitation,more precipitation in each month,less sunshine hours,abnormally less precipitation in July and August,having five times of heavy rain.The main atmosphere circulation features were extreme strong of vortex in March and frequent cold air activity;strong high pressure ridge in Mountain Ural in Middle April,west and strong east Asian Trough and strong front in middle and north part of Asia;middle and high latitude in Asia in May was wide trough region.The subtropical high ridge of the north front was more north than that in other common years and the position of west ridge was more conductive to the transportation of water vapor and formation of rain;because of extreme strong vortex in July and August,subtropical high was conductive to the cold air in the north moving south and the transportation of south water vapor.The extreme climate brought adverse influences on each aspect of agriculture and resulted into large economic losses.[Conclusion] The study provided references for the improvement of abnormal climate forecast and disaster prevention capacity.