Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1007/s00382-018-4163-x |
A "La Nina-like" state occurring in the second year after large tropical volcanic eruptions during the past 1500 years | |
Sun, Weiyi1; Liu, Jian1,2,3; Wang, Bin4,5,6,7; Chen, Deliang8; Liu, Fei6,7; Wang, Zhiyuan1; Ning, Liang1,3; Chen, Mingcheng6,7 | |
2019-06-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2019 |
卷号 | 52期号:12页码:7495-7509 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; USA; Sweden |
英文摘要 | Using an ensemble of nine El Nino/Southern Oscillation (ENSO) reconstructed proxies and volcano eruption proxies for the past 1500years, this study shows that a significant La Nina state emerges in the second year (year (2) hereafter) after large tropical volcanic eruptions. The reasons for the development of La Nina are investigated using the Community Earth System Model (CESM). In the volcanic eruption experiment (Vol), a robust La Nina signal occurs in year (2), resembling the proxy records. The eastward positioning of the western North Pacific anomalous anticyclone (WNPAC) in Vol plays a critical role in the advanced decay of year (2) warming and the strong intensification of cooling in the equatorial eastern Pacific. The enhanced easterlies located on the southern edge of the WNPAC can stimulate consecutive oceanic upwelling Kelvin waves, shallowing the thermocline in the eastern Pacific, thereby resulting in a greater cooling rate by the enhanced thermocline feedback and cold zonal advection. Over the equatorial eastern Pacific, the reduced shortwave radiation contributes to the advanced decay of warming, while the upward latent heat flux augments the strong intensification of the cooling. Essentially, the eastward positioning of the WNPAC is a result of the volcanic forcing. The volcanic effect cools the maritime continent more than its adjacent oceans, thus pushing convective anomalies eastward during year (1). This induces vertical thermal advection and upward surface latent heat flux, thereby suppressing the development of warm Sea Surface Temperature over the central-western Pacific and causing the eastward positioning of the WNPAC in Vol. |
英文关键词 | ENSO CESM Impacts of volcanic eruption WNPAC Volcano-induced La Nina |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000469017000022 |
WOS关键词 | EL-NINO ; PACIFIC ; RESPONSES ; PRECIPITATION ; EASTERN ; ROLES ; MODEL ; ENSO |
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/183522 |
专题 | 气候变化 |
作者单位 | 1.Nanjing Normal Univ, Jiangsu Prov State Key Lab Cultivat Base Geog Env, Key Lab Virtual Geog Environm, Minist Educ,Sch Geog Sci, Nanjing 210023, Jiangsu, Peoples R China; 2.Nanjing Normal Univ, Jiangsu Prov Key Lab Numer Simulat Large Scale Co, Sch Math Sci, Nanjing 210023, Jiangsu, Peoples R China; 3.Jiangsu Ctr Collaborat Innovat Geog Informat Reso, Nanjing 210023, Jiangsu, Peoples R China; 4.Univ Hawaii Manoa, Dept Atmospher Sci, Honolulu, HI 96825 USA; 5.Univ Hawaii Manoa, Atmosphere Ocean Res Ctr, Honolulu, HI 96825 USA; 6.Nanjing Univ Informat Sci & Technol, Earth Syst Modeling Ctr, Nanjing 210044, Jiangsu, Peoples R China; 7.Nanjing Univ Informat Sci & Technol, Climate Dynam Res Ctr, Nanjing 210044, Jiangsu, Peoples R China; 8.Univ Gothenburg, Dept Earth Sci, S-40530 Gothenburg, Sweden |
推荐引用方式 GB/T 7714 | Sun, Weiyi,Liu, Jian,Wang, Bin,et al. A "La Nina-like" state occurring in the second year after large tropical volcanic eruptions during the past 1500 years[J]. CLIMATE DYNAMICS,2019,52(12):7495-7509. |
APA | Sun, Weiyi.,Liu, Jian.,Wang, Bin.,Chen, Deliang.,Liu, Fei.,...&Chen, Mingcheng.(2019).A "La Nina-like" state occurring in the second year after large tropical volcanic eruptions during the past 1500 years.CLIMATE DYNAMICS,52(12),7495-7509. |
MLA | Sun, Weiyi,et al."A "La Nina-like" state occurring in the second year after large tropical volcanic eruptions during the past 1500 years".CLIMATE DYNAMICS 52.12(2019):7495-7509. |
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