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采用消除大气CO_2影响后的油松树轮6~(13)C序列及附近气象站的气象记录,分析了树轮6~(13)C的气候响应。结果表明:黄陵地区高频6~(13)C的振荡与6月平均气温及5月、6月和7月3个月的降水总和密切相关,在一定程度上反映了东亚夏季风在这一地区的某些特点。
The climatic responses of tree rings 6 ~ (13) C were analyzed by using the 6 ~ (13) C sequence and the meteorological records of nearby weather stations after eliminating the effects of atmospheric CO_2. The results show that the oscillation of high frequency 6 ~ (13) C in Huangling area is closely related to the average temperature in June and the sum of precipitation in May, June and July, which reflects to some extent the East Asian summer monsoon Some characteristics of a region.