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中文摘要：
随着全球气温的升高,气候变化越来越受到人类的重视,同时区域性气候也引起人们的普遍关注.利用采自吕梁山中部的油松树轮样本,重建了该地区1836年以来5～7月平均气温的变化,重建方程对观测时段1955～2003年平均温度的方差解释量为45%（F=38.474）.该重建气温序列指示的5个偏暖时期和4个偏冷时期与我国北方中部其他几条树轮重建温度序列所指示的冷暖时段基本一致.20世纪50年代以来气温呈缓慢上升趋势,但是这种上升趋势并不是平稳的,90年代初的升温更强烈一些,并且1994～2002年是整个重建序列中温度最高的时段;同时,重建气温与研究区周边更大范围内各气象站点5～7月平均气温之间的显著相关分析也表明,本文重建的过去近170年来的温度变化不仅反映了吕梁山地区、似乎也可以反映我国北方中部地区较大范围的同期气温变化.
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