南海北部ZHS-176孔古海洋学记录：氧同位素和有机碳

对南海北部陆坡ZHS-176孔进行浮游有孔虫氧同位素和有机碳的研究,重建了末次冰期以来的古气候演化历史。ZHS-176孔浮游有孔虫氧同位素分析揭示了末次冰期期间的气候波动,如末次盛冰期、Heinrich事件1、Bølling-Allerød暖期与新仙女木事件在南海北部陆坡均有响应。同时,在全新世阶段存在3个强降水期和3个弱降水期。ZHS-176孔有机碳以生物成因为主,随着夏季风的增强,陆源物质含量增加,但在3 kaBP以后由于华南地区夏季风减弱而导致陆源输入减少。...

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Published inHăiyang dĭzhĭ yu dĭsĭjĭ dĭzhĭ Vol. 32; no. 5; p. 73
Main Authors GE Qian, MENG Xianwei, CHU Fengyou, Zuo, XUE, Jijiang, LEI
Format Journal Article
LanguageChinese
Published Beijing Marine Geology and Quaternary Geology 01.01.2012
Subjects
Carbon
Foraminifera
Glacial periods
Heinrich events
Holocene
Ice ages
Isotopes
Monsoons
Organic carbon
Oscillations
Oxygen
Oxygen isotopes
Precipitation
Records
Summer
South China Sea
Online AccessGet full text
ISSN0256-1492
DOI10.3724/SP.J.1140.2012.05073

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Summary:对南海北部陆坡ZHS-176孔进行浮游有孔虫氧同位素和有机碳的研究,重建了末次冰期以来的古气候演化历史。ZHS-176孔浮游有孔虫氧同位素分析揭示了末次冰期期间的气候波动,如末次盛冰期、Heinrich事件1、Bølling-Allerød暖期与新仙女木事件在南海北部陆坡均有响应。同时,在全新世阶段存在3个强降水期和3个弱降水期。ZHS-176孔有机碳以生物成因为主,随着夏季风的增强,陆源物质含量增加,但在3 kaBP以后由于华南地区夏季风减弱而导致陆源输入减少。
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ISSN:0256-1492
DOI:10.3724/SP.J.1140.2012.05073