Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019JD032184 |
Impact of Higher Spatial Atmospheric Resolution on Precipitation Extremes Over Land in Global Climate Models | |
Bador, Margot1,2; Boe, Julien3; Terray, Laurent3; Alexander, Lisa, V1,2; Baker, Alexander4; Bellucci, Alessio5; Haarsma, Rein6; Koenigk, Torben7; Moine, Marie-Pierre3; Lohmann, Katja8; Putrasahan, Dian A.8; Roberts, Chris9; Roberts, Malcolm10; Scoccimarro, Enrico5; Schiemann, Reinhard4; Seddon, Jon10; Senan, Retish9; Valcke, Sophie3; Vanniere, Benoit11 | |
2020-07-16 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES |
ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2020 |
卷号 | 125期号:13 |
文章类型 | Article |
语种 | 英语 |
国家 | Australia; France; England; Italy; Netherlands; Sweden; Germany |
英文摘要 | Finer grids in global climate models could lead to an improvement in the simulation of precipitation extremes. We assess the influence on model performance of increasing spatial resolution by evaluating pairs of high- and low-resolution forced atmospheric simulations from six global climate models (generally the latest CMIP6 version) on a common 1 degrees x 1 degrees grid. The differences in tuning between the lower and higher resolution versions are as limited as possible, which allows the influence of higher resolution to be assessed exclusively. We focus on the 1985-2014 climatology of annual extremes of daily precipitation over global land, and models are compared to observations from different sources (i.e., in situ-based and satellite-based) to enable consideration of observational uncertainty. Finally, we address regional features of model performance based on four indices characterizing different aspects of precipitation extremes. Our analysis highlights good agreement between models that precipitation extremes are more intense at higher resolution. We find that the spread among observations is substantial and can be as large as intermodel differences, which makes the quantitative evaluation of model performance difficult. However, consistently across the four precipitation extremes indices that we investigate, models often show lower skill at higher resolution compared to their corresponding lower resolution version. Our findings suggest that increasing spatial resolution alone is not sufficient to obtain a systematic improvement in the simulation of precipitation extremes, and other improvements (e.g., physics and tuning) may be required. |
英文关键词 | precipitation extremes multimodel and multiproduct of observations framework performance of the models global climate models for CMIP6 and HighResMIP sensitivity to atmospheric spatial resolution |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000551484700004 |
WOS关键词 | HORIZONTAL RESOLUTION ; INDEXES ; SIMULATION ; EVENTS ; TEMPERATURE ; CYCLE ; RAIN |
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/289485 |
专题 | 气候变化 |
作者单位 | 1.UNSW Sydney, Climate Change Res Ctr, Sydney, NSW, Australia; 2.UNSW Sydney, ARC Ctr Excellence Climate Extremes, Sydney, NSW, Australia; 3.Univ Toulouse, CERFACS CNRS, CECI, Toulouse, France; 4.Univ Reading, Dept Meteorol, Reading, Berks, England; 5.Fdn Ctr Euromediterraneo Cambiamenti Climat CMCC, Bologna, Italy; 6.Royal Netherlands Meteorol Inst KNMI, De Bilt, Netherlands; 7.Swedish Meteorol & Hydrol Inst, Rossby Ctr, Norrkoping, Sweden; 8.Max Planck Inst Meteorol, Ocean Earth Syst Dept, Hamburg, Germany; 9.European Ctr Medium Range Weather Forecasting ECM, Reading, Berks, England; 10.Met Off, Exeter, Devon, England; 11.Univ Reading, Dept Meteorol, NCAS Climate, Reading, Berks, England |
推荐引用方式 GB/T 7714 | Bador, Margot,Boe, Julien,Terray, Laurent,et al. Impact of Higher Spatial Atmospheric Resolution on Precipitation Extremes Over Land in Global Climate Models[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2020,125(13). |
APA | Bador, Margot.,Boe, Julien.,Terray, Laurent.,Alexander, Lisa, V.,Baker, Alexander.,...&Vanniere, Benoit.(2020).Impact of Higher Spatial Atmospheric Resolution on Precipitation Extremes Over Land in Global Climate Models.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,125(13). |
MLA | Bador, Margot,et al."Impact of Higher Spatial Atmospheric Resolution on Precipitation Extremes Over Land in Global Climate Models".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 125.13(2020). |
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