摘要
The temperature,precipitation and sunshine data of Jining City(including 11 counties and cities) from 1970 to 2009 were analyzed in this paper by regression analysis method.Results showed that in the each year and the four seasons in Jining over the past 40 years,average temperature,average minimum and maximum temperatures were increasing.Especially,the winter temperature had the largest rising range,and average minimum temperatures were rising faster than maximum average temperatures.The changes in rainfall could be divided into two obvious stages,the lowing trend in the early 30 years but rising trend in the last 10 years.The precipitation fell in Jining;sunshine was decreasing and reduced a lot in summer.
The temperature,precipitation and sunshine data of Jining City(including 11 counties and cities) from 1970 to 2009 were analyzed in this paper by regression analysis method.Results showed that in the each year and the four seasons in Jining over the past 40 years,average temperature,average minimum and maximum temperatures were increasing.Especially,the winter temperature had the largest rising range,and average minimum temperatures were rising faster than maximum average temperatures.The changes in rainfall could be divided into two obvious stages,the lowing trend in the early 30 years but rising trend in the last 10 years.The precipitation fell in Jining;sunshine was decreasing and reduced a lot in summer.