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Global cooling and enhanced Eocene Asian mid-latitude interior aridity
被引:68
|作者:
Li, J. X.
[1
,2
]
Yue, L. P.
[2
,3
]
Roberts, A. P.
[4
]
Hirt, A. M.
[5
]
Pan, F.
[1
,2
]
Guo, Lin
[1
]
Xu, Y.
[1
]
Xi, R. G.
[1
]
Guo, Lei
[1
]
Qiang, X. K.
[3
]
Gai, C. C.
[6
,7
]
Jiang, Z. X.
[4
,7
,8
]
Sun, Z. M.
[9
]
Liu, Q. S.
[10
]
机构:
[1] Xian Ctr Geol Survey, Res Ctr Orogen Geol, Xian 710054, Shaanxi, Peoples R China
[2] Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Xian 710127, Shaanxi, Peoples R China
[3] Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Shaanxi, Peoples R China
[4] Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT 2601, Australia
[5] Eidgenoss Tech Hsch Zurich, Inst Geophys, CH-8092 Zurich, Switzerland
[6] Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
[7] Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266237, Peoples R China
[8] Ocean Univ China, Coll Marine Geosci, Qingdao 266100, Peoples R China
[9] Chinese Acad Geol Sci, Inst Geomech, Lab Paleomagnetism, Beijing 100081, Peoples R China
[10] Southern Univ Sci & Technol, Dept Ocean Sci & Engn, Shenzhen 518055, Peoples R China
来源:
基金:
中国国家自然科学基金;
澳大利亚研究理事会;
关键词:
CHINESE LOESS PLATEAU;
TIBETAN PLATEAU;
RED CLAY;
QAIDAM BASIN;
YELLOW-RIVER;
AEOLIAN DUST;
TARIM BASIN;
GRAIN-SIZE;
ALTUN SHAN;
NW CHINA;
D O I:
10.1038/s41467-018-05415-x
中图分类号:
O [数理科学和化学];
P [天文学、地球科学];
Q [生物科学];
N [自然科学总论];
学科分类号:
07 ;
0710 ;
09 ;
摘要:
Tibetan Plateau uplift has been suggested as the main driving force for mid-latitude Asian inland aridity (AIA) and for deposition of thick aeolian sequences in northern China since the Miocene. However, the relationship between earlier AIA and Tibetan Plateau mountain building is uncertain because of a lack of corresponding thick aeolian sequences with accurate age constraints. We here present results for a continuous aeolian sequence that spans the interval from >51 to 39 Ma from the eastern Xorkol Basin, Altun Shan, northeastern Tibetan Plateau. The basal age of the studied sequence postdates initial uplift of the Tibetan Plateau by several million years. Our results indicate that the local palaeoclimate was tele-connected strongly to the overall global cooling pattern, so that local enhanced aridification recorded by the studied aeolian sequence is dominantly a response to global climatic forcing rather than plateau uplift.
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