Please use this identifier to cite or link to this item: https://repositorio.uca.edu.ar/handle/123456789/5481
Título : A seasonal climatology of UV reflectivity for southern South America
Autor : Yuchechen, Adrián E. 
Canziani, Pablo O. 
Lakkis, Susan Gabriela 
Palabras clave : CLIMATOLOGIAREFLECTIVIDADINVESTIGACIONRADIACION ULTRAVIOLETA
Fecha de publicación : 2017
Editorial : Remote Sensing and Photogrammetry Society
Cita : Yuchechen, A.E., Lakkis, S.G., Canziani, P.O. A seasonal climatology of UV reflectivity for southern South America [en línea]. En International Journal of Remote Sensing 38, 2017. Disponible en: http://www.tandfonline.com/doi/full/10.1080/01431161.2017.1388935 Registro en: http://bibliotecadigital.uca.edu.ar/greenstone/cgi-bin/library.cgi?a=d&c=investigacion&d=seasonal-climatology-reflectivity [Fecha de consulta:...]
Resumen : Abstract: A seasonal climatology for the Lambertian equivalent reflectivity (LER) in ultraviolet (UV) for southern South America is introduced. The study region was limited by 10° and 60°S and by 100° and 30° W; the data set spanned the period 1978–2015. Features of the seasonal means and of the quarterly (Q) and the interannual (IA) variabilities for each season were ascribed to atmospheric and oceanic processes of local, regional, or global origin which lead to the formation or maintenance of clouds. Shifts in the Q and IA time series were detected, most notably in the early 1990s. Linear trends were also estimated. The largest positive and negative trends in the Q time series were found along the Peruvian Andes (PA) (3.20 reflectivity units [RU] decade−1) and east of the Chapada Diamantina (CD) and the Serra do Espinhaço (SE) in Brazil (−1.40 RU decade−1), respectively. The largest positive and negative trends in the IA time series were found in PA (6 RU decade−1, summer) and east of CD and SE (−2.50 RU decade−1, spring), respectively. The linkages between UV LER and regional or global circulation indices were also studied. The largest relationships were found with the Dipole Mode Index on a Q basis and with the Southern Oscillation Index on an IA basis in winter.
Cobertura Espacial: AMERICA DEL SUR
URI : https://repositorio.uca.edu.ar/handle/123456789/5481
ISSN : 0143-1161
e-1366-5901
Disciplina: INGENIERIA
DOI: 10.1080/01431161.2017.1388935
Derechos: Acceso Abierto
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