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DOI | 10.1175/JCLI-D-17-0651.1 |
Assessing the Impact of Volcanic Eruptions on Climate Extremes Using CMIP5 Models | |
Paik, Seungmok; Min, Seung-Ki | |
2018-07-01 | |
发表期刊 | JOURNAL OF CLIMATE
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ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2018 |
卷号 | 31期号:14页码:5333-5349 |
文章类型 | Article |
语种 | 英语 |
国家 | South Korea |
英文摘要 | This study analyzes extreme temperature and precipitation responses over the global land to five explosive tropical volcanic eruptions that occurred since the 1880s, using CMIP5 multimodel simulations. Changes in annual extreme indices during posteruption years are examined using a composite analysis. First, a robust global decrease in extreme temperature is found, which is stronger than the internal variability ranges (estimated from random bootstrap sampling). Intermodel correlation analysis shows a close relationship between annual extreme and mean temperature responses to volcanic forcing, indicating a similar mechanism at work. The cooling responses exhibit strong intermodel correlation with a decrease in surface humidity, consistent with the Clausius-Clapeyron relation. Second, extreme and mean precipitation reductions are observed during posteruption years, especially in Northern and Southern Hemisphere summer monsoon regions, with good intermodel agreement. The precipitation decreases are also larger than the internal variability ranges and are dominated by the monsoon regions. Moisture budget analysis further reveals that most of the precipitation decrease over the monsoon regions is explained by evaporation decrease, as well as dynamic and thermodynamic contributions. Interestingly, the dynamic effect is found to have a large influence on intermodel spread in precipitation responses, with high intermodel correlation with mean and extreme precipitation changes. These model-based results are largely supported by an observational analysis based on the Hadley Centre Global Climate Extremes Index 2 (HadEX2) dataset for the recent three volcanic eruptions. Our results demonstrate that temperature and precipitation extremes significantly respond to volcanic eruptions, largely resembling mean climate responses, which have important implications for geoengineering based on solar radiation management. |
英文关键词 | Extreme events Climate change Climate variability Climate models |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000435075300001 |
WOS关键词 | OPTICAL DEPTH PERTURBATIONS ; LARGE-SCALE CHANGES ; HYDROLOGICAL CYCLE ; PRECIPITATION ; RESPONSES ; MONSOON ; TEMPERATURE ; VARIABILITY ; STRATOSPHERE ; ATTRIBUTION |
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/19829 |
专题 | 气候变化 |
作者单位 | Pohang Univ Sci & Technol, Div Environm Sci & Engn, Pohang, Gyeongbuk, South Korea |
推荐引用方式 GB/T 7714 | Paik, Seungmok,Min, Seung-Ki. Assessing the Impact of Volcanic Eruptions on Climate Extremes Using CMIP5 Models[J]. JOURNAL OF CLIMATE,2018,31(14):5333-5349. |
APA | Paik, Seungmok,&Min, Seung-Ki.(2018).Assessing the Impact of Volcanic Eruptions on Climate Extremes Using CMIP5 Models.JOURNAL OF CLIMATE,31(14),5333-5349. |
MLA | Paik, Seungmok,et al."Assessing the Impact of Volcanic Eruptions on Climate Extremes Using CMIP5 Models".JOURNAL OF CLIMATE 31.14(2018):5333-5349. |
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