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PALEOCEANOGRAPHIC RECORDS OF CORE ZHS-176 FROM THE NORTHERN SOUTH CHINA SEA:OXYGEN ISOTOPE AND ORGANIC CARBON
Author(s): 
Pages: 73-80
Year: Issue:  5
Journal: Marine Geology & Quaternary Geology

Keyword:  全新世 氧同位素 有机碳 南海 末次冰期;
Abstract: 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、Blling-Allerd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3kaBP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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