Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1007/s00382-017-3749-z |
The impact of stochastic parametrisations on the representation of the Asian summer monsoon | |
Strommen, K.1; Christensen, H. M.2; Berner, J.2; Palmer, T. N.1 | |
2018-03-01 | |
发表期刊 | CLIMATE DYNAMICS
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ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2018 |
卷号 | 50页码:2269-2282 |
文章类型 | Article |
语种 | 英语 |
国家 | England; USA |
英文摘要 | The impact of the stochastic schemes Stochastically Perturbed Parametrisation Tendencies (SPPT) and Stochastic Kinetic Energy Backscatter Scheme (SKEBS) on the representation of interannual variability in the Asian summer monsoon is examined in the coupled climate model CCSM4. The Webster-Yang index, measuring anomalies of a specified wind-shear index in the monsoon region, is used as a metric for monsoon strength, and is used to analyse the output of three model integrations: one deterministic, one with SPPT, and one with SKEBS. Both schemes show improved variability, which we trace back to improvements in the El Nio-Southern Oscillation (ENSO) and the Indian Ocean Dipole (IOD). SPPT improves the representation of ENSO and through teleconnections thereby the monsoon, supporting previous work on the benefits of this scheme on the model climate. SKEBS also improves monsoon variability by way of improving the representation of the IOD, in particular by breaking an overly strong coupling to ENSO. |
英文关键词 | Asian monsoon Stochastic parametrisations Webster-Yang Index Interannual variability |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000426707100045 |
WOS关键词 | INDIAN-OCEAN DIPOLE ; BACKSCATTER SCHEME ; EL-NINO ; ENSO ; MODEL ; CIRCULATION ; SIMULATIONS ; RAINFALL ; PROJECT ; SYSTEMS |
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/36285 |
专题 | 气候变化 |
作者单位 | 1.Dept Phys, Clarendon Lab, AOPP Bldg,Pk Rd, Oxford OX1 3PU, England; 2.NCAR, Boulder, CO 80307 USA |
推荐引用方式 GB/T 7714 | Strommen, K.,Christensen, H. M.,Berner, J.,et al. The impact of stochastic parametrisations on the representation of the Asian summer monsoon[J]. CLIMATE DYNAMICS,2018,50:2269-2282. |
APA | Strommen, K.,Christensen, H. M.,Berner, J.,&Palmer, T. N..(2018).The impact of stochastic parametrisations on the representation of the Asian summer monsoon.CLIMATE DYNAMICS,50,2269-2282. |
MLA | Strommen, K.,et al."The impact of stochastic parametrisations on the representation of the Asian summer monsoon".CLIMATE DYNAMICS 50(2018):2269-2282. |
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