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DOI | 10.1088/1748-9326/ab1976 |
The drivers of nonlinear local temperature change under global warming | |
King, Andrew D.1,2 | |
2019-06-01 | |
发表期刊 | ENVIRONMENTAL RESEARCH LETTERS |
ISSN | 1748-9326 |
出版年 | 2019 |
卷号 | 14期号:6 |
文章类型 | Article |
语种 | 英语 |
国家 | Australia |
英文摘要 | How the pattern of the Earth's surface warming will change under global warming represents a fundamental question for our understanding of the climate system with implications for regional projections. Despite the importance of this problem there have been few analyses of nonlinear local temperature change as a function of global warming. Individual climate models project nonlinearities, but drivers of nonlinear local change are poorly understood. Here, I present a framework for the identification and quantification of local nonlinearities using a time-slice analysis of a multi-model ensemble. Accelerated local warming is more likely over land than ocean per unit global warming. By examining changes across the model ensemble, I show that models that exhibit summertime drying over mid-latitude land regions, such as in central Europe, tend to also project locally accelerated warming relative to global warming, and vice versa. A case study illustrating some uses of this framework for nonlinearity identification and analysis is presented for north-eastern Australia. In this region, model nonlinear warming in summertime is strongly connected to changes in precipitation, incoming shortwave radiation, and evaporative fraction. In north-eastern Australia, model nonlinearity is also connected to projections for El Nino. Uncertainty in nonlinear local warming patterns contributes to the spread in regional climate projections, so attempts to constrain projections are explored. This study provides a framework for the identification of local temperature nonlinearities as a function of global warming and analysis of associated drivers under prescribed global warming levels. |
英文关键词 | climate change El Nino CMIP5 Paris agreement nonlinear change regional projections |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000469810600001 |
WOS关键词 | 1.5 DEGREES-C ; SOIL-MOISTURE ; RAINFALL VARIABILITY ; CLIMATE VARIABILITY ; PART I ; PRECIPITATION ; PROJECTIONS ; EXTREMES ; CMIP5 |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; 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/183741 |
专题 | 气候变化 |
作者单位 | 1.Univ Melbourne, Sch Earth Sci, Melbourne, Vic, Australia; 2.Univ Melbourne, ARC Ctr Excellence Climate Extremes, Melbourne, Vic, Australia |
推荐引用方式 GB/T 7714 | King, Andrew D.. The drivers of nonlinear local temperature change under global warming[J]. ENVIRONMENTAL RESEARCH LETTERS,2019,14(6). |
APA | King, Andrew D..(2019).The drivers of nonlinear local temperature change under global warming.ENVIRONMENTAL RESEARCH LETTERS,14(6). |
MLA | King, Andrew D.."The drivers of nonlinear local temperature change under global warming".ENVIRONMENTAL RESEARCH LETTERS 14.6(2019). |
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