【摘要】 本文分析了一九零五至一九八五年徐州气温观测资料,认为本世纪四十年代是徐州气候变化的转折点,气候由暖逐渐变冷的特点十分明显。据专家们估计,未来气候将由冷再向暖方向发展。在讨论冷暖变化时,城市环境的改变对气候影响是一个不可忽视的问题。更多还原

【Abstract】 We use mean suqure deviation as the standard to distinguish cold or warm year and analyse the temperature data of xuzhou from 1905 to 1985. we think that the 1940’s was the turn point of climate change in xuzhou and it is clear that the air temperature change from warm to cold gradully. we estimaced that the temperature while we approach the variations of temperature . it is must not to be ignored .ow the change of the city envionment influence on the climate.更多还原