4100万年印度季风增强和扩张的古地理控制(英文)

被引:36
作者
方小敏 [1 ,2 ]
颜茂都 [1 ,2 ]
张伟林 [1 ,2 ]
聂军胜 [3 ]
韩文霞 [4 ]
吴福莉 [1 ,2 ]
宋春晖 [5 ]
张涛 [5 ]
昝金波 [1 ,2 ]
杨永鹏 [1 ,2 ]
机构
[1] State Key Laboratory of Tibetan Plateau Earth System, Resources and Environment, Institute of Tibetan Plateau Research (TPESRE), Chinese Academy of Sciences
[2] Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences
[3] Key Laboratory of Western China’s Environments of Ministry of Education, Lanzhou University
[4] Shandong Provincial Key Laboratory of Water and Soil Conservation & Environmental Protection, School of Resource and Environmental Sciences, Linyi University
[5] School of Earth Sciences & Key Laboratory of Western China’s Mineral Resources of Gansu Province, Lanzhou University
关键词
D O I
暂无
中图分类号
P531 [古地理学]; P425.42 [];
学科分类号
070903 [古生物学与地层学];
摘要
印度季风是亚洲季风的主要水汽来源.但截至目前我们对印度季风的形成演化和内在驱动机制的理解仍十分有限.有关印度季风新生代早期形成的报道均在热带季风区,受控于赤道辐合带的季节摆动,而与青藏高原隆起无关.然而,此区以外准确定年的印度季风记录对于揭示印度季风如何扩展并了解其驱动因素至关重要.位于亚热带云南的古环境记录揭示始新世早期的干旱气候环境在4100万年时突变为季节性湿润环境,指示印度季风在4100万年时已到该区.综合集成分析认为印度与亚洲板块的完全碰撞及其导致的古地理巨变(新特提斯海关闭、副特提斯海急退、高原南部边界快速北移和高原中部隆升),可能共同推动了印度季风在约4100万年时的增强和向北扩展.
引用
收藏
页码:2320 / 2328
页数:9
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