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Abstract:

On the basis of Tropical Rainfall Measuring Mission (TRMM) daily accumulated rainfall data (3B42 v7 product) covering 16 years (1998-2013), the Amazon Basin (AB) time and space rainfall variability is analysed. Different behaviours of precipitation over AB are found to the north and south of 8°S when the longitudinal band 70°-50°W is considered. The sample is then split into northern and southern sectors with respect to 8°S, describing their monthly evolution as a function of longitude. The main spatial oscillation modes are isolated and analysed through continuous wavelet transform analysis. Intense spatial oscillations are found close to the western side of the studied region. Several temporal modes in different scales are detected within each sample. Two of them show scales longer than 12 months, which are probably associated with ENSO phases. Smaller scale oscillations, evaluated from daily data, are also found. The northern sector of AB shows more daily data variability than the southern one and seems to be more affected by large temporal processes than the southern sector. © 2016 Royal Meteorological Society.

Registro:

Documento: Artículo
Título:Spatiotemporal structures of rainfall over the Amazon basin derived from TRMM data
Autor:Hierro, R.; Llamedo, P.; de la Torre, A.; Alexander, P.
Filiación:Facultad de Ingeniería, Universidad Austral, Pilar, Argentina
Instituto de Física de Buenos Aires (IFIBA), Buenos Aires, Argentina
Palabras clave:South America rainfall; TRMM; Wavelet; Climatology; Rain gages; Wavelet transforms; Accumulated rainfall; Continuous Wavelet Transform; Rainfall variability; South America; Spatio-temporal structures; TRMM; Tropical rainfall measuring missions; Wavelet; Rain; precipitation assessment; rainfall; spatiotemporal analysis; TRMM; wavelet analysis; Amazon Basin
Año:2016
Volumen:36
Número:3
Página de inicio:1565
Página de fin:1574
DOI: http://dx.doi.org/10.1002/joc.4429
Título revista:International Journal of Climatology
Título revista abreviado:Int. J. Climatol.
ISSN:08998418
CODEN:IJCLE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08998418_v36_n3_p1565_Hierro

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Citas:

---------- APA ----------
Hierro, R., Llamedo, P., de la Torre, A. & Alexander, P. (2016) . Spatiotemporal structures of rainfall over the Amazon basin derived from TRMM data. International Journal of Climatology, 36(3), 1565-1574.
http://dx.doi.org/10.1002/joc.4429
---------- CHICAGO ----------
Hierro, R., Llamedo, P., de la Torre, A., Alexander, P. "Spatiotemporal structures of rainfall over the Amazon basin derived from TRMM data" . International Journal of Climatology 36, no. 3 (2016) : 1565-1574.
http://dx.doi.org/10.1002/joc.4429
---------- MLA ----------
Hierro, R., Llamedo, P., de la Torre, A., Alexander, P. "Spatiotemporal structures of rainfall over the Amazon basin derived from TRMM data" . International Journal of Climatology, vol. 36, no. 3, 2016, pp. 1565-1574.
http://dx.doi.org/10.1002/joc.4429
---------- VANCOUVER ----------
Hierro, R., Llamedo, P., de la Torre, A., Alexander, P. Spatiotemporal structures of rainfall over the Amazon basin derived from TRMM data. Int. J. Climatol. 2016;36(3):1565-1574.
http://dx.doi.org/10.1002/joc.4429