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DOI | 10.1175/JCLI-D-17-0393.1 |
Assessing the Stationarity of Australian Precipitation Extremes in Forced and Unforced CMIP5 Simulations | |
Lewis, Sophie C.1,2 | |
2018 | |
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:1页码:131-145 |
文章类型 | Article |
语种 | 英语 |
国家 | Australia |
英文摘要 | Knowledge of the range of precipitation variability and extremes is restricted in regions such as Australia, where instrumental records are short and paleoclimatic records are limited in spatial and temporal extent and resolution. In such comparatively data-poor regions, there is limited context for understanding the statistical unusualness of recently observed extreme events, such as heavy rain and drought, and the influence of stochastic and anthropogenic forcings on their magnitude. This study attempts to further understandings of the range of forced and unforced variability using CMIP5 climate models. Focusing on extremes in the magnitude of monthly, seasonal, and annual precipitation, the distribution of instrumental-period observed precipitation in various Australian regions is compared to simulated precipitation in historical experiments as well as various long experiment (preindustrial control and Last Millennium) and anthropogenically forced simulations of the twenty-first century (RCP2.6 and RCP8.5). There is no systematic increase in the magnitude of simulated extremes corresponding to the length of model simulations, although many realizations reveal higher magnitude extremes compared to those observed, suggesting that the duration of the instrumental record may not capture the potential severity of stochastically driven extremes. A coherent increase in both wet and dry extremes is simulated throughout Australian regions in high greenhouse gas emissions scenarios, demonstrating a forced hydrological response. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000429528800008 |
WOS关键词 | MURRAY-DARLING BASIN ; PALEOCLIMATE RECORDS ; CLIMATE ; RAINFALL ; HYDROCLIMATE ; TEMPERATURE ; VARIABILITY ; INDEXES ; MODELS ; PROXY |
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/19879 |
专题 | 气候变化 |
作者单位 | 1.Australian Natl Univ, Fenner Sch Environm & Soc, Canberra, ACT, Australia; 2.Univ New South Wales, ARC Ctr Excellence Climate Syst Sci, Sydney, NSW, Australia |
推荐引用方式 GB/T 7714 | Lewis, Sophie C.. Assessing the Stationarity of Australian Precipitation Extremes in Forced and Unforced CMIP5 Simulations[J]. JOURNAL OF CLIMATE,2018,31(1):131-145. |
APA | Lewis, Sophie C..(2018).Assessing the Stationarity of Australian Precipitation Extremes in Forced and Unforced CMIP5 Simulations.JOURNAL OF CLIMATE,31(1),131-145. |
MLA | Lewis, Sophie C.."Assessing the Stationarity of Australian Precipitation Extremes in Forced and Unforced CMIP5 Simulations".JOURNAL OF CLIMATE 31.1(2018):131-145. |
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