Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1007/s00382-018-4547-y |
Multi-model evaluation of the sensitivity of the global energy budget and hydrological cycle to resolution | |
Vanniere, Benoit1; Demory, Marie-Estelle1; Vidale, Pier Luigi1; Schiemann, Reinhard1; Roberts, Malcolm J.2; Roberts, Christopher D.2,3; Matsueda, Mio4; Terray, Laurent5; Koenigk, Torben6; Senan, Retish3 | |
2019-06-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2019 |
卷号 | 52期号:11页码:6817-6846 |
文章类型 | Article |
语种 | 英语 |
国家 | England; Japan; France; Sweden |
英文摘要 | This study undertakes a multi-model comparison with the aim to describe and quantify systematic changes of the global energy and water budgets when the horizontal resolution of atmospheric models is increased and to identify common factors of these changes among models. To do so, we analyse an ensemble of twelve atmosphere-only and six coupled GCMs, with different model formulations and with resolutions spanning those of state-of-the-art coupled GCMs, i.e. from resolutions coarser than 100km to resolutions finer than 25km. The main changes in the global energy budget with resolution are a systematic increase in outgoing longwave radiation and decrease in outgoing shortwave radiation due to changes in cloud properties, and a systematic increase in surface latent heat flux; when resolution is increased from 100 to 25km, the magnitude of the change of those fluxes can be as large as 5Wm(-2). Moreover, all but one atmosphere-only model simulate a decrease of the poleward energy transport at higher resolution, mainly explained by a reduction of the equator-to-pole tropospheric temperature gradient. Regarding hydrological processes, our results are the following: (1) there is an increase of global precipitation with increasing resolution in all models (up to 40x10(3) km(3)year(-1)) but the partitioning between land and ocean varies among models; (2) the fraction of total precipitation that falls on land is on average 10% larger at higher resolution in grid point models, but it is smallerat higher resolution in spectral models; (3) grid points models simulate an increase of the fraction of land precipitation due to moisture convergence twice as large as in spectral models; (4) grid point models, which have a better resolved orography, show an increase of orographic precipitation of up to 13x10(3) km(3)year(-1) which explains most of the change in land precipitation; (5) at the regional scale, precipitation pattern and amplitude are improved with increased resolution due to a better simulated seasonal mean circulation. We discuss our results against several observational estimates of the Earth'senergy budget and hydrological cycle and showthat they support recent high estimates of global precipitation. |
英文关键词 | High-resolution modelling Global energy budget Global hydrological cycle Sensitivity to model resolution |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000469016700030 |
WOS关键词 | SEA-SURFACE TEMPERATURE ; HORIZONTAL RESOLUTION ; DYNAMICAL CORE ; CLIMATE MODEL ; ASIAN MONSOON ; ECMWF MODEL ; ICE MODEL ; EC-EARTH ; ATMOSPHERE ; IMPACT |
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/183485 |
专题 | 气候变化 |
作者单位 | 1.Univ Reading, NCAS Climate, Dept Meteorol, Whiteknights Campus Earley Gate,POB 243, Reading RG6 6BB, Berks, England; 2.Met Off Hadley Ctr, Exeter, Devon, England; 3.European Ctr Medium Range Weather Forecasting ECM, Reading, Berks, England; 4.Univ Tsukuba, Ctr Computat Sci, Tsukuba, Ibaraki, Japan; 5.Univ Toulouse, CECI, CNRS, CERFACS, Toulouse, France; 6.Swedish Meteorol & Hydrol Inst, Rossby Ctr, Norrkoping, Sweden |
推荐引用方式 GB/T 7714 | Vanniere, Benoit,Demory, Marie-Estelle,Vidale, Pier Luigi,et al. Multi-model evaluation of the sensitivity of the global energy budget and hydrological cycle to resolution[J]. CLIMATE DYNAMICS,2019,52(11):6817-6846. |
APA | Vanniere, Benoit.,Demory, Marie-Estelle.,Vidale, Pier Luigi.,Schiemann, Reinhard.,Roberts, Malcolm J..,...&Senan, Retish.(2019).Multi-model evaluation of the sensitivity of the global energy budget and hydrological cycle to resolution.CLIMATE DYNAMICS,52(11),6817-6846. |
MLA | Vanniere, Benoit,et al."Multi-model evaluation of the sensitivity of the global energy budget and hydrological cycle to resolution".CLIMATE DYNAMICS 52.11(2019):6817-6846. |
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