[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
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.
