globalchange  > 全球变化的国际研究计划
DOI: 10.1002/joc.5806
Scopus记录号: 2-s2.0-85052968162
论文题名:
Influence of the Madden–Julian oscillation on Costa Rican mid-summer drought timing
作者: Zhao Z.; Oliver E.C.J.; Ballestero D.; Mauro Vargas-Hernandez J.; Holbrook N.J.
刊名: International Journal of Climatology
ISSN: 8998418
出版年: 2019
卷: 39, 期:1
起始页码: 292
结束页码: 301
语种: 英语
英文关键词: Costa Rica ; Madden–Julian oscillation ; mid-summer drought
Scopus关键词: Agriculture ; Drought ; Rain ; Timing circuits ; Agricultural planning ; Central America ; Costa Rica ; Intra-seasonal ; National parks ; Rainfall data ; Summer droughts ; Time-scales ; Climatology ; annual variation ; drought ; El Nino ; Madden-Julian oscillation ; precipitation (climatology) ; rainfall ; regional climate ; summer ; Costa Rica ; Mexico [North America]
英文摘要: The Central American mid-summer drought (MSD) is the decline of precipitation during the middle of the wet season (July and August) over Central America and southern Mexico. It affects agriculture and favours the initiation of bushfires in Costa Rica's national parks, particularly during El Niño years. The MSD is a seasonal phenomenon that varies in intensity and timing inter-annually. The Madden–Julian oscillation (MJO) has been shown to influence Costa Rican rainfall on intra-seasonal time scales, and therefore may be important to the MSD. In this study we use rainfall data from seven stations in Costa Rica to analyse the MJO's influence on the timing of the onset and end of the MSD. We find that the MSD is more likely to start and end in MJO Phases 1 and 8, respectively. Our findings indicate enhanced MSD predictability on intra-seasonal time scales, which could be beneficial to agricultural planning in Costa Rica. © 2018 Royal Meteorological Society
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/116656
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作者单位: Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Australia; Australian Research Council Centre of Excellence for Climate System Science, University of Tasmania, Hobart, Australia; College of Oceanic and Atmospheric Sciences, Ocean University of China, Qingdao, China; Department of Oceanography, Dalhousie University, Halifax, Canada; Departamento de Física, Universidad Nacional, Heredia, Costa Rica; Australian Research Council Centre of Excellence for Climate Extremes, University of Tasmania, Hobart, Australia

Recommended Citation:
Zhao Z.,Oliver E.C.J.,Ballestero D.,et al. Influence of the Madden–Julian oscillation on Costa Rican mid-summer drought timing[J]. International Journal of Climatology,2019-01-01,39(1)
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