[Objective]The study aimed to discuss the relationship between thunderstorm days and lightning density. [Method]Based on the data of lightning density and thunderstorm days in Dalian region from 2007 to 2011,the optim...[Objective]The study aimed to discuss the relationship between thunderstorm days and lightning density. [Method]Based on the data of lightning density and thunderstorm days in Dalian region from 2007 to 2011,the optimal radius for the assessment of lightning risk was determined firstly,and then the relationship between thunderstorm days and lightning density in Dalian was fitted using the least square method. [Result]The optimal radius for the assessment of lightning risk was 25 km. The relation between lightning density and thunderstorm days could be fitted well by the formula y =0. 091x2-3. 447 2x ＋34. 713. [Conclusion]The fitting result was consistent with the actual situation,so the formula can be used in relative studies of Dalian.展开更多
文摘[Objective]The study aimed to discuss the relationship between thunderstorm days and lightning density. [Method]Based on the data of lightning density and thunderstorm days in Dalian region from 2007 to 2011,the optimal radius for the assessment of lightning risk was determined firstly,and then the relationship between thunderstorm days and lightning density in Dalian was fitted using the least square method. [Result]The optimal radius for the assessment of lightning risk was 25 km. The relation between lightning density and thunderstorm days could be fitted well by the formula y =0. 091x2-3. 447 2x ＋34. 713. [Conclusion]The fitting result was consistent with the actual situation,so the formula can be used in relative studies of Dalian.
