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DOI | 10.1029/2017JD027646 |
Investigating Sensitivity of East Asian Monsoon to Orbital Forcing During the Late Pliocene Warm Period | |
Yan, Qing1,2; Zhang, Zhongshi3,4; Zhang, Ran5 | |
2018-07-27 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
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ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2018 |
卷号 | 123期号:14页码:7161-7178 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; Norway |
英文摘要 | The Late Pliocene climate (3.264-3.025 Ma) is thought to be relatively warm and stable compared with the Pleistocene, but with clear orbital-scale climate variability. Using the Community Earth System Model, we investigate the sensitivity of East Asian monsoon to realistic orbital forcing during the Late Pliocene. Initial evaluation shows that the Community Earth System Model broadly captures modern East Asian monsoon climatology and reproduces the reconstructed stronger (weaker) East Asian summer (winter) monsoon in the Late Pliocene under the PRISM3D (Pliocene Research, Interpretation and Synoptic Mapping) boundary conditions that use present-day orbital configurations. Sensitivity experiments indicate that summer and winter temperatures averaged over the East Asia continent remain higher for different orbital configurations in the Late Pliocene than the preindustrial, but with different warming magnitude. Variation of East Asian summer monsoon is significantly modulated by orbital forcing in the Late Pliocene. Under several extreme orbital configurations, the summer monsoon becomes weaker relative to the preindustrial. This is attributed to the fact that the orbitally induced decrease in land-sea thermal contrast exceeds the increase arising from the PRISM3D boundary conditions. East Asian winter monsoon exhibits a relatively stable feature and remains weaker in the Late Pliocene even with extreme orbital forcing, as the effect of PRISM3D boundary conditions that lead to reduced land-sea thermal contrast overwhelms the influence of orbital forcing. Given limitations of snapshot time slab simulation and different model sensitivity, the orbital-scale variability of East Asian monsoon in the Late Pliocene should be further explored using transient simulation and with other coupled models. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000441965400008 |
WOS关键词 | ANTARCTIC ICE-SHEET ; SOUTH CHINA SEA ; MODEL INTERCOMPARISON PROJECT ; MID-PLIOCENE ; SUMMER MONSOON ; CLIMATE VARIABILITY ; EARLY PLEISTOCENE ; PMIP SIMULATIONS ; WINTER MONSOON ; NORTHERN CHINA |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/33079 |
专题 | 气候变化 |
作者单位 | 1.Chinese Acad Sci, Nansen Zhu int Res Ctr, Inst Atmospher Phys, Beijing, Peoples R China; 2.Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Key Lab Meteorol Disaster, Nanjing, Jiangsu, Peoples R China; 3.China Univ Geosci, Sch Environm Studies, Dept Atmospher Sci, Wuhan, Hubei, Peoples R China; 4.Bjerknes Ctr Climate Res, Uni Res Climate, Bergen, Norway; 5.Chinese Acad Sci, Climate Change Res Ctr, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Yan, Qing,Zhang, Zhongshi,Zhang, Ran. Investigating Sensitivity of East Asian Monsoon to Orbital Forcing During the Late Pliocene Warm Period[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2018,123(14):7161-7178. |
APA | Yan, Qing,Zhang, Zhongshi,&Zhang, Ran.(2018).Investigating Sensitivity of East Asian Monsoon to Orbital Forcing During the Late Pliocene Warm Period.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,123(14),7161-7178. |
MLA | Yan, Qing,et al."Investigating Sensitivity of East Asian Monsoon to Orbital Forcing During the Late Pliocene Warm Period".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 123.14(2018):7161-7178. |
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