Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2016JD025796 |
Impacts of a Pinatubo-size volcanic eruption on ENSO | |
Predybaylo, Evgeniya1; Stenchikov, Georgiy L.1; Wittenberg, Andrew T.2; Zeng, Fanrong2 | |
2017-01-27 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES |
ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2017 |
卷号 | 122期号:2 |
文章类型 | Article |
语种 | 英语 |
国家 | Saudi Arabia; USA |
英文摘要 | Observations and model simulations of the climate responses to strong explosive low-latitude volcanic eruptions suggest a significant increase in the likelihood of El Nino during the eruption and posteruption years, though model results have been inconclusive and have varied in magnitude and even sign. In this study, we test how this spread of responses depends on the initial phase of El Nino-Southern Oscillation (ENSO) in the eruption year and on the eruption's seasonal timing. We employ the Geophysical Fluid Dynamics Laboratory CM2.1 global coupled general circulation model to investigate the impact of the Pinatubo 1991 eruption, assuming that in 1991 ENSO would otherwise be in central or eastern Pacific El Nino, La Nina, or neutral phases. We obtain statistically significant El Nino responses in a year after the eruption for all cases except La Nina, which shows no response in the eastern equatorial Pacific. The eruption has a weaker impact on eastern Pacific El Ninos than on central Pacific El Ninos. We find that the ocean dynamical thermostat and (to a lesser extent) wind changes due to land-ocean temperature gradients are the main feedbacks affecting El Nino development after the eruption. The El Nino responses to eruptions occurring in summer are more pronounced than for winter and spring eruptions. That the climate response depends on eruption season and initial ENSO phase may help to reconcile apparent inconsistencies among previous studies. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000396116900022 |
WOS关键词 | SEA-SURFACE TEMPERATURE ; COUPLED CLIMATE MODELS ; NINO-SOUTHERN-OSCILLATION ; TROPICAL PACIFIC-OCEAN ; WESTERLY WIND BURSTS ; EL-NINO ; MOUNT-PINATUBO ; PART I ; HEAT-BUDGET ; PRECIPITATION |
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/33975 |
专题 | 气候变化 |
作者单位 | 1.King Abdullah Univ Sci & Technol, Phys Sci & Engn, Thuwal, Saudi Arabia; 2.NOAA, Geophys Fluid Dynam Lab, Princeton, NJ USA |
推荐引用方式 GB/T 7714 | Predybaylo, Evgeniya,Stenchikov, Georgiy L.,Wittenberg, Andrew T.,et al. Impacts of a Pinatubo-size volcanic eruption on ENSO[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(2). |
APA | Predybaylo, Evgeniya,Stenchikov, Georgiy L.,Wittenberg, Andrew T.,&Zeng, Fanrong.(2017).Impacts of a Pinatubo-size volcanic eruption on ENSO.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(2). |
MLA | Predybaylo, Evgeniya,et al."Impacts of a Pinatubo-size volcanic eruption on ENSO".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.2(2017). |
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