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DOI | 10.1175/JCLI-D-18-0689.1 |
A Methodological Approach to Assess the Co-Behavior of Climate Processes over Southern Africa | |
Quagraine, Kwesi A.; Hewitson, Bruce; Jack, Christopher; Pinto, Izidine; Lennard, Christopher | |
2019-05-01 | |
发表期刊 | JOURNAL OF CLIMATE |
ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2019 |
卷号 | 32期号:9页码:2483-2495 |
文章类型 | Article |
语种 | 英语 |
国家 | South Africa |
英文摘要 | The study develops an approach to assess co-behavior of climate processes. The regional response of precipitation and temperature patterns over southern Africa to the combined roles (co-behavior) of El Nino-Southern Oscillation (ENSO), Antarctic Oscillation (AAO), and intertropical convergence zone (ITCZ) is evaluated. Self-organizing maps (SOMs) classify circulation patterns over the subcontinent, and principal component analysis (PCA) is used to identify related patterns across the data. The tropical rain belt index (TRBI), a measure of the ITCZ, is generally in phase with the AAO but mostly out of phase with ENSO. The phases of AAO may enhance or suppress ENSO impact on the location and distribution of regional precipitation and temperature over the region. This understanding of the co-behavior of large-scale processes is important to assess the impact these processes collectively have on precipitation and temperature, especially under future climate forcings. |
英文关键词 | Antarctic Oscillation ENSO Indices Climate variability Climatology Principal components analysis |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000464743200001 |
WOS关键词 | SELF-ORGANIZING MAPS ; PART I ; SUMMER RAINFALL ; CIRCULATION ; VARIABILITY ; ENSO ; TELECONNECTION ; PATTERNS ; MODEL ; PERFORMANCE |
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/182986 |
专题 | 气候变化 |
作者单位 | Univ Cape Town, Dept Environm & Geog Sci, Climate Syst Anal Grp, Cape Town, South Africa |
推荐引用方式 GB/T 7714 | Quagraine, Kwesi A.,Hewitson, Bruce,Jack, Christopher,et al. A Methodological Approach to Assess the Co-Behavior of Climate Processes over Southern Africa[J]. JOURNAL OF CLIMATE,2019,32(9):2483-2495. |
APA | Quagraine, Kwesi A.,Hewitson, Bruce,Jack, Christopher,Pinto, Izidine,&Lennard, Christopher.(2019).A Methodological Approach to Assess the Co-Behavior of Climate Processes over Southern Africa.JOURNAL OF CLIMATE,32(9),2483-2495. |
MLA | Quagraine, Kwesi A.,et al."A Methodological Approach to Assess the Co-Behavior of Climate Processes over Southern Africa".JOURNAL OF CLIMATE 32.9(2019):2483-2495. |
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