GSTDTAP  > 气候变化
DOI10.1029/2019GL082283
Middle to Late Miocene Eccentricity Forcing on Lake Expansion in NE Tibet
Wang, Zhixiang1; Huang, Chunju1,2; Licht, Alexis3; Zhang, Rui1; Kemp, David B.1
2019-06-28
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2019
卷号46期号:12页码:6926-6935
文章类型Article
语种英语
国家Peoples R China; USA
英文摘要

The East Asian summer monsoon (EASM) variability on orbital time scale has been extensively investigated in Quaternary loess and speleothems. However, EASM variability during pre-Quaternary time remains poorly understood. Here we report a continuous upper Miocene cyclostratigraphic record from lake deposits of the Tianshui basin, Northeast Tibet, to reconstruct past variations of the regional hydrological cycle. Our results, combined with previously published cyclostratigraphic records from Northeast Tibet, show that regional lake expansion cycles have been consistently dominated by similar to 100-kyr eccentricity forcing over most of the middle to late Miocene. These similar to 100 kyr cycles corroborate a significant forcing of the East Asian hydrological cycle by Antarctic ice sheet variations at that time. It is, however, unclear if this forcing affected EASM intensity or westerly derived moisture supply to the far east. Regardless of the nature of the main source of precipitation in Northeast Tibet during the Miocene, these results emphasize the existence of a strong teleconnection between Antarctic ice sheet modulations and the continental climate of Asia.


英文关键词NE Tibet Tianshui basin lake level variations Miocene magnetic susceptibility
领域气候变化
收录类别SCI-E
WOS记录号WOS:000477616300085
WOS关键词DIFFERENT ORBITAL RHYTHMS ; ASIAN MONSOON ; PALEOCLIMATIC IMPLICATION ; ASTRONOMICAL TIMESCALE ; RANGE GROWTH ; SOUTH CHINA ; TARIM BASIN ; CLIMATE ; SEA ; MAGNETOSTRATIGRAPHY
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/184284
专题气候变化
作者单位1.China Univ Geosci, Sch Earth Sci, State Key Lab Biogeol & Environm Geol, Wuhan, Hubei, Peoples R China;
2.China Univ Geosci, Sch Earth Sci, Hubei Key Lab Crit Zone Evolut, Wuhan, Hubei, Peoples R China;
3.Univ Washington, Dept Earth & Space Sci, Seattle, WA 98195 USA
推荐引用方式
GB/T 7714
Wang, Zhixiang,Huang, Chunju,Licht, Alexis,et al. Middle to Late Miocene Eccentricity Forcing on Lake Expansion in NE Tibet[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(12):6926-6935.
APA Wang, Zhixiang,Huang, Chunju,Licht, Alexis,Zhang, Rui,&Kemp, David B..(2019).Middle to Late Miocene Eccentricity Forcing on Lake Expansion in NE Tibet.GEOPHYSICAL RESEARCH LETTERS,46(12),6926-6935.
MLA Wang, Zhixiang,et al."Middle to Late Miocene Eccentricity Forcing on Lake Expansion in NE Tibet".GEOPHYSICAL RESEARCH LETTERS 46.12(2019):6926-6935.
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