globalchange  > 影响、适应和脆弱性
DOI: 10.1007/s00382-017-3653-6
Scopus记录号: 2-s2.0-85017155396
论文题名:
Moisture origin and transport processes in Colombia, northern South America
作者: Hoyos I.; Dominguez F.; Cañón-Barriga J.; Martínez J.A.; Nieto R.; Gimeno L.; Dirmeyer P.A.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2018
卷: 50, 期:2018-03-04
起始页码: 971
结束页码: 990
语种: 英语
英文关键词: Atmospheric moisture transport processes ; Colombian climate and variability ; Oceanic moisture source ; Recycling and terrestrial moisture sources
Scopus关键词: atmospheric moisture ; atmospheric transport ; climate variation ; convergence ; jet stream ; moisture flux ; precipitation (climatology) ; westerly ; Amazon Basin ; Atlantic Ocean ; Caribbean Sea ; Colombia ; Orinoco Basin ; Pacific Ocean
英文摘要: We assess the spatial structure of moisture flux divergence, regional moisture sources and transport processes over Colombia, in northern South America. Using three independent methods the dynamic recycling model (DRM), FLEXPART and the Quasi-isentropic back-trajectory (QIBT) models we quantify the moisture sources that contribute to precipitation over the region. We find that moisture from the Atlantic Ocean and terrestrial recycling are the most important sources of moisture for Colombia, highlighting the importance of the Orinoco and Amazon basins as regional providers of atmospheric moisture. The results show the influence of long-range cross-equatorial flow from the Atlantic Ocean into the target region and the role of the study area as a passage of moisture into South America. We also describe the seasonal moisture transport mechanisms of the well-known low-level westerly and Caribbean jets that originate in the Pacific Ocean and Caribbean Sea, respectively. We find that these dynamical systems play an important role in the convergence of moisture over western Colombia. © 2017, Springer-Verlag Berlin Heidelberg.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/109454
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: Facultad de Ingeniería, Grupo GAIA, Universidad de Antioquia, SIU/UdeA, Calle 70 N 52-21, Medellín, Colombia; Instituto de Física, Grupo de Fundamentos y Enseñanza de la Física y los Sistemas Dinámicos, Universidad de Antioquia, Medellín, Colombia; Department of Atmospheric Sciences, University of Illinois at Urbana-Champaign, Champaign, United States; Department of Atmospheric Sciences, University of Arizona, Tucson, United States; EPhysLab (Environmental Physics Laboratory), Facultade de Ciencias Universidade de Vigo, Ourense, Spain; Department of Atmospheric Sciences, Institute of Astronomy, Geophysics and Atmospheric Sciences, University of São Paulo, São Paulo, Brazil; Center for Ocean-Land-Atmosphere Studies, George Mason University, Fairfax, VA, United States

Recommended Citation:
Hoyos I.,Dominguez F.,Cañón-Barriga J.,et al. Moisture origin and transport processes in Colombia, northern South America[J]. Climate Dynamics,2018-01-01,50(2018-03-04)
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