[Objective] The aim was to analyze the causes of low-temperature rain and snow disasters in 2008.[Method] Based on the basic meteorological observation data,a primary study was implemented about the severe cold air an...[Objective] The aim was to analyze the causes of low-temperature rain and snow disasters in 2008.[Method] Based on the basic meteorological observation data,a primary study was implemented about the severe cold air and frozen rain event.The importance of factors causing disaster,territory and human activity in the formation of low-temperature rain and snow disasters were expounded.[Result] The factors triggering the disasters were so strong that were rarely seen in previous (stronger than that in 1954);the specific terrain was beneficial to the occurrence of the frozen rain;the human being’s action amplified the impacts of disaster events while suffering it.Furthermore,a point of view to minimize the climate disaster damage like this severe frozen rain was proposed.Improvement of forecast capability and accuracy,implementation of the demonstration about climatic feasibility,and propagation to public about the natural disaster’s protection and mitigation and so on were functional aspects.[Conclusion] The study provided theoretical basis for the prediction and forecast of low-temperature rain and snow disasters.展开更多
By using the full and accurate meteorological data,the changes of major meteorological factors in the half century during 1950-2008 in Xuzhou were analyzed.The results showed that the rainfall increased 23% in summer,...By using the full and accurate meteorological data,the changes of major meteorological factors in the half century during 1950-2008 in Xuzhou were analyzed.The results showed that the rainfall increased 23% in summer,and the temperature in winter,spring respectively rose by 1.9 and 2.5 ℃.It illustrated that the climate in Xuzhou had the obvious change.The more rainfall in summer caused that the flood disaster aggravated,and autumn maturing dry crops severely reduced the yield.The warming in winter caused that the wheat grew luxuriantly,and the frost resistance declined.In spring,the premature senility was easy to happen,which affected the high and stable yield.All of these directly affected the food security and peasant increase income.By the change of wheat suitable sowing date and contrasting,analyzing on the yields of paddy rice,dry crops,the necessity of adjusting the crops variety,sowing date and layout was demonstrated.The measures which answered the climate change were given,and the huge economic benefits which were brought by these measures were also analyzed.展开更多
基金Supported by Chinese Meteorological Bureau Business Program in 2009 " National Meteorological Disaster Risk Zone"Hunan Province Meteorological Bureau Key Science and Research Program (200801)
文摘[Objective] The aim was to analyze the causes of low-temperature rain and snow disasters in 2008.[Method] Based on the basic meteorological observation data,a primary study was implemented about the severe cold air and frozen rain event.The importance of factors causing disaster,territory and human activity in the formation of low-temperature rain and snow disasters were expounded.[Result] The factors triggering the disasters were so strong that were rarely seen in previous (stronger than that in 1954);the specific terrain was beneficial to the occurrence of the frozen rain;the human being’s action amplified the impacts of disaster events while suffering it.Furthermore,a point of view to minimize the climate disaster damage like this severe frozen rain was proposed.Improvement of forecast capability and accuracy,implementation of the demonstration about climatic feasibility,and propagation to public about the natural disaster’s protection and mitigation and so on were functional aspects.[Conclusion] The study provided theoretical basis for the prediction and forecast of low-temperature rain and snow disasters.
文摘By using the full and accurate meteorological data,the changes of major meteorological factors in the half century during 1950-2008 in Xuzhou were analyzed.The results showed that the rainfall increased 23% in summer,and the temperature in winter,spring respectively rose by 1.9 and 2.5 ℃.It illustrated that the climate in Xuzhou had the obvious change.The more rainfall in summer caused that the flood disaster aggravated,and autumn maturing dry crops severely reduced the yield.The warming in winter caused that the wheat grew luxuriantly,and the frost resistance declined.In spring,the premature senility was easy to happen,which affected the high and stable yield.All of these directly affected the food security and peasant increase income.By the change of wheat suitable sowing date and contrasting,analyzing on the yields of paddy rice,dry crops,the necessity of adjusting the crops variety,sowing date and layout was demonstrated.The measures which answered the climate change were given,and the huge economic benefits which were brought by these measures were also analyzed.
