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Reanalysis of monthly precipitation fields in colombian territory

Hurtado-Montoya, Andrés Felipe and Mesa-Sánchez, Óscar José (2014) Reanalysis of monthly precipitation fields in colombian territory. Dyna; Vol. 81, núm. 186 (2014); 251-258 DYNA; Vol. 81, núm. 186 (2014); 251-258 2346-2183 0012-7353 .

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URL oficial: http://revistas.unal.edu.co/index.php/dyna/article...

Resumen

The historical monthly precipitation fields in Colombia are estimated and studied for the period 1975 - 2006 at a spatial resolution of 5 minutes of arc, calculated using an optimal integration of information available at rain gauges and distributed monthly series of fields from satellite measurements and studies of reanalysis at different periods and various spatial resolutions. Space interpolation of point observations uses a variant of the PRISM model [1]. Based on a MDT, the relationship between precipitation and topography was studied, allowing the development and implementation of a model of interpolation similar to PRISM to estimate monthly precipitation fields. Considering the topographic effect as the most important factor in explaining the spatial variability of rainfall, the study area is discretized in homogeneous regions that allowed to represent adequately the presence of the pluviometric optimal height and the temporal variability imposed by the ITCZ.

Tipo de documento:Artículo - Article
Información adicional:Derechos de autor reservados
Palabras clave:fields of monthly precipitation, interpolation, information integration, point and spatial information, PRISM
Unidad administrativa:Revistas electrónicas UN > Dyna
Código ID:42423
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :13 Septiembre 2014 09:23
Ultima modificación:29 Enero 2015 15:22
Ultima modificación:29 Enero 2015 15:22
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