Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2016GL071194 |
Strengthening contrast between precipitation in tropical wet and dry regions | |
Polson, D.; Hegerl, G. C. | |
2017 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:1 |
文章类型 | Article |
语种 | 英语 |
国家 | Scotland |
英文摘要 | The wet-gets-wetter, dry-gets-drier paradigm (WWDD) is widely used to summarize the expected response of the hydrological cycle to global warming. While some studies find that changes in observations and climate models support the WWDD paradigm, others find that it is more complicated at local scales and over land. This discrepancy is partly explained by differences in model climatologies and by movement of the wet and dry regions. Here we show that by tracking changes in wet and dry regions as they shift over the tropics and vary in models, mean precipitation changes follow the WWDD pattern in observations and models over land and ocean. However, this signal is reduced and disappears in model dry regions, when these factors are not accounted for. Accounting for seasonal and interannual shifts of the regions and climatological differences between models reduces uncertainty in predictions of future precipitation changes and makes these changes detectable earlier. |
英文关键词 | precipitation climate change tropics climate models satellite observations |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000393954900043 |
WOS关键词 | HYDROLOGICAL CYCLE ; FUTURE CHANGES ; CLIMATE ; LAND ; MODELS ; TRENDS |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
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/26932 |
专题 | 气候变化 |
作者单位 | Univ Edinburgh, Sch GeoSci, Crew Bldg, Edinburgh, Midlothian, Scotland |
推荐引用方式 GB/T 7714 | Polson, D.,Hegerl, G. C.. Strengthening contrast between precipitation in tropical wet and dry regions[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(1). |
APA | Polson, D.,&Hegerl, G. C..(2017).Strengthening contrast between precipitation in tropical wet and dry regions.GEOPHYSICAL RESEARCH LETTERS,44(1). |
MLA | Polson, D.,et al."Strengthening contrast between precipitation in tropical wet and dry regions".GEOPHYSICAL RESEARCH LETTERS 44.1(2017). |
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