[Objective]The research aimed to analyze climate characteristics in Xingtai City during 1954-2010.[Method] Based on climate data in Xingtai City during 1954-2010,by using line chart,trend chart,climatic variability an...[Objective]The research aimed to analyze climate characteristics in Xingtai City during 1954-2010.[Method] Based on climate data in Xingtai City during 1954-2010,by using line chart,trend chart,climatic variability and statistical diagram,the climate characteristics in Xingtai City in 57 years were analyzed.[Result] The annual average temperature,annual average maximum and minimum temperatures in Xingtai City during 1954-2010 all presented gradual rise trend.The rise velocity of annual average maximum temperature was the slowest.The annual average temperature presented rise trend year by year.The rise velocity of annual average minimum temperature was the fastest.The annual average rainfall,wind speed,relative humidity and sunshine hours all presented gradual decline trend,while the annual average total cloud amount presented increase trend.The annual average ground temperatures at 0,5,10,15 and 20 cm in Xingtai City during 1954-2010 were respectively 15.6,15.7,15.8,15.8 and 15.8 ℃.The annual average ground temperatures at 40 and 80 cm,1.6 and 3.2 m in Xingtai City during 1981-2010 were respectively 15.2,15.2,15.4 and 15.4 ℃.It was clear that the ground temperature at deep layer gradually rose as depth increase.[Conclusion] The research provided theoretical basis for guiding agricultural production in Xingtai City.展开更多
文摘[Objective]The research aimed to analyze climate characteristics in Xingtai City during 1954-2010.[Method] Based on climate data in Xingtai City during 1954-2010,by using line chart,trend chart,climatic variability and statistical diagram,the climate characteristics in Xingtai City in 57 years were analyzed.[Result] The annual average temperature,annual average maximum and minimum temperatures in Xingtai City during 1954-2010 all presented gradual rise trend.The rise velocity of annual average maximum temperature was the slowest.The annual average temperature presented rise trend year by year.The rise velocity of annual average minimum temperature was the fastest.The annual average rainfall,wind speed,relative humidity and sunshine hours all presented gradual decline trend,while the annual average total cloud amount presented increase trend.The annual average ground temperatures at 0,5,10,15 and 20 cm in Xingtai City during 1954-2010 were respectively 15.6,15.7,15.8,15.8 and 15.8 ℃.The annual average ground temperatures at 40 and 80 cm,1.6 and 3.2 m in Xingtai City during 1981-2010 were respectively 15.2,15.2,15.4 and 15.4 ℃.It was clear that the ground temperature at deep layer gradually rose as depth increase.[Conclusion] The research provided theoretical basis for guiding agricultural production in Xingtai City.
