安图红松树轮稳定碳同位素记录的低云量信息
Information of low cloud amount recorded in δ~(13)C series of tree ring cellulose of Pinus Koraiensis in Antu Area
查看参考文献25篇
文摘
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分析了安图红松树轮碳同位素和与之临近的敦化市气象站气象记录间的相关关系,发现树轮碳同位素与上年5~7月平均低云量间存在显著的负相关关系,重建了该区近200年来5~7月平均低云量变化。功率谱分析表明,δ~(13)C序列、重建的低云量序列均包含明显的厄尔尼诺-南方涛动周期(ENSO)和准2年振荡周期(QBO),反映了ENSO以及东亚季风对该区气候的影响。 |
其他语种文摘
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The relationship between δ~(13)C of tree ring cellulose in Antu and climatic station records is analyzed. Significant negative correlation between δ~(13)C and the average low cloud amount of May to July, and that in Antu in the recent 200 years is reconstructed. Periods of quasi-4-year related to the El Nino/southern oscillation (ENSO) phenomenon and quasi-2-year related to the Quasi biennial oscillation (QBO) of the East Asian monsoon are worked out at significant level of 95% by power spectrum analysis of both δ~(13)C series and the reconstructed average low cloud amount level, which reflects the influence of both ENSO and the east Asian monsoon on Antu climate. |
来源
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地球化学
,2002,31(4):309-314 【核心库】
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关键词
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树轮
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碳同位素记录
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低云量
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气候重建
;
ENSO
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QBO
;
安图县
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地址
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中科院贵阳地球化学所, 环境地球化学国家重点实验室, 贵州, 贵阳, 550002
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语种
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中文 |
文献类型
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研究性论文 |
ISSN
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0379-1726 |
学科
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地质学 |
基金
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国家自然科学基金
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文献收藏号
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CSCD:979678
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