According to the annual statistic values of eight essential elements for the latest 50-year climatic data,including average temperature,average maximum temperature,averageminimum temperature,relative humidity,amount o...According to the annual statistic values of eight essential elements for the latest 50-year climatic data,including average temperature,average maximum temperature,averageminimum temperature,relative humidity,amount of precipitation,precipitation day,average wind speed and sunlight duration,a one-dimensional linear regression equation was built,and the regression ratio b (tendency rate) and related ratio r (trend coefficient) were calculated to analyze the regular pattern and the relationship between each elements.The results showed that the warming trend was obvious in the area of Sanjiang-Changbai,the development was from humidification to half-humidification.The average wind speed and hours of sunlight showed a decreasing trend,and the difference was great in different locations in Sanjiang-Changbai area.展开更多
利用本溪1981—2013年10月—次年4月降水资料,统计分析了近33年本溪冬半年不同降水相态的气候特征,得出本溪雨雪转换多发季节主要为3月和11月。利用2005—2013年10月—次年4月的探空资料和自动站数据,对近9年本溪冬半年不同相态降水过...利用本溪1981—2013年10月—次年4月降水资料,统计分析了近33年本溪冬半年不同降水相态的气候特征,得出本溪雨雪转换多发季节主要为3月和11月。利用2005—2013年10月—次年4月的探空资料和自动站数据,对近9年本溪冬半年不同相态降水过程的大气层结特征进行统计研究。结果表明:本溪冬半年出现雪时各层温度及地面温度均低于0℃;出现雨时0℃层高度在850~700 h Pa之间;雨雪转换时0℃层高度在925 h Pa附近,各层温度范围分别为:700 h Pa的温度范围[-11℃,-7℃]、850 h Pa的温度范围[-6.5℃,-1.5℃]、9250 h Pa的温度范围[-3℃,1℃]、1000 h Pa的温度范围[0℃,3℃],地面温度小于1000 h Pa温度。本工作的结果除适用于本溪地区的相关预报业务以外,还可以对辽宁东部山区及吉林部分地区的降水相态预报提供较好的参考。展开更多
文摘According to the annual statistic values of eight essential elements for the latest 50-year climatic data,including average temperature,average maximum temperature,averageminimum temperature,relative humidity,amount of precipitation,precipitation day,average wind speed and sunlight duration,a one-dimensional linear regression equation was built,and the regression ratio b (tendency rate) and related ratio r (trend coefficient) were calculated to analyze the regular pattern and the relationship between each elements.The results showed that the warming trend was obvious in the area of Sanjiang-Changbai,the development was from humidification to half-humidification.The average wind speed and hours of sunlight showed a decreasing trend,and the difference was great in different locations in Sanjiang-Changbai area.
文摘利用本溪1981—2013年10月—次年4月降水资料,统计分析了近33年本溪冬半年不同降水相态的气候特征,得出本溪雨雪转换多发季节主要为3月和11月。利用2005—2013年10月—次年4月的探空资料和自动站数据,对近9年本溪冬半年不同相态降水过程的大气层结特征进行统计研究。结果表明:本溪冬半年出现雪时各层温度及地面温度均低于0℃;出现雨时0℃层高度在850~700 h Pa之间;雨雪转换时0℃层高度在925 h Pa附近,各层温度范围分别为:700 h Pa的温度范围[-11℃,-7℃]、850 h Pa的温度范围[-6.5℃,-1.5℃]、9250 h Pa的温度范围[-3℃,1℃]、1000 h Pa的温度范围[0℃,3℃],地面温度小于1000 h Pa温度。本工作的结果除适用于本溪地区的相关预报业务以外,还可以对辽宁东部山区及吉林部分地区的降水相态预报提供较好的参考。