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有机氧同位素分析研究进展陶发祥,洪业汤(中国科学院地球化学研究所.贵阳550002)关键词有机质,氧同位素分析,全球变化全球变化研究在最近10年取得了巨大成就,已经进入一个关键的历史时期。在该项研究中有三个最主要的问题,即先进的实验技术、从定性说明到... 相似文献
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Relationship between the δ^13C of tree ring cellulose from Pinus Koraiensis and climate parameters was investigated.A significantly negative correlation between δ^13C and mean low-cloud amount from May to July was discovered,which contributes to reconstructing the mean low-cloud amount form May to July at Antu in recent 200years.Periodicals of quasi-8-year,quasi-4-year and quasi-2-year were detected both in δ^13 C series and in the reconstructed low cloud amount series with 95% confidence level.Quasi-8-year period may reflect the integrated influence of solar activity,monsoon activity and local regional factors.Quasi-4-year and quasi-2-year periods indicate the influences of ENSO and Qussi Biennial Oscillation(QBO)of East Asian monsoon,respectively. 相似文献
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