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Precipitation over Northern South America and Its Seasonal Variability as Simulated by the CMIP5 Models
Joint Authors
Sierra, Juan P.
Arias, Paola A.
Vieira, Sara C.
Source
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-22, 22 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-01-29
Country of Publication
Egypt
No. of Pages
22
Main Subjects
Abstract EN
Northern South America is identified as one of the most vulnerable regions to be affected by climate change.
Furthermore, recent extreme wet seasons over the region have induced socioeconomic impacts of wide proportions.
Hence, the evaluation of rainfall simulations at seasonal and interannual time scales by the CMIP5 models is urgently required.
Here, we evaluated the ability of seven CMIP5 models (selected based on literature review) to represent the seasonal mean precipitation and its interannual variability over northern South America.
Our results suggest that it is easier for models to reproduce rainfall distribution during boreal summer and fall over both oceans and land.
This is probably due to the fact that during these seasons, incoming radiation and ocean-atmosphere feedbacks over Atlantic and Pacific oceans locate the ITCZ on the Northern Hemisphere, as suggested by previous studies.
Models exhibit the worse simulations during boreal winter and spring, when these processes have opposite effects locating the ITCZ.
Our results suggest that the models with a better representation of the oceanic ITCZ and the local low-level jets over northern South America, such as the Choco low-level jet, are able to realistically simulate the main features of seasonal precipitation pattern over northern South America.
American Psychological Association (APA)
Sierra, Juan P.& Arias, Paola A.& Vieira, Sara C.. 2015. Precipitation over Northern South America and Its Seasonal Variability as Simulated by the CMIP5 Models. Advances in Meteorology،Vol. 2015, no. 2015, pp.1-22.
https://search.emarefa.net/detail/BIM-1052784
Modern Language Association (MLA)
Sierra, Juan P.…[et al.]. Precipitation over Northern South America and Its Seasonal Variability as Simulated by the CMIP5 Models. Advances in Meteorology No. 2015 (2015), pp.1-22.
https://search.emarefa.net/detail/BIM-1052784
American Medical Association (AMA)
Sierra, Juan P.& Arias, Paola A.& Vieira, Sara C.. Precipitation over Northern South America and Its Seasonal Variability as Simulated by the CMIP5 Models. Advances in Meteorology. 2015. Vol. 2015, no. 2015, pp.1-22.
https://search.emarefa.net/detail/BIM-1052784
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1052784