Estudo da variabilidade intra-anual e da distribuição espacial da precipitação decendial na Península Ibérica

Autores/as

  • Liliana Caramelo Departamento de Física, Universidade de Trás-os-Montes e Alto Douro, Apartado 1013, 5000-911 Vila Real, Portugal
  • Armando Soares Departamento de Física, Universidade de Trás-os-Montes e Alto Douro, Apartado 1013, 5000-911 Vila Real, Portugal
  • Maria Dolores Manso Orgaz Departamento de Física, Universidade de Trás-os-Montes e Alto Douro, Apartado 1013, 5000-911 Vila Real, Portugal

Resumen

neste trabalho fez-se um estudo da variabilidade intra-anual e da distribuição espacial da precipitação decendial na Península Ibérica. A aplicação dos modos S e T do método das componentes principais com rotação permitiu identificar os três principais padrões de variabilidade da precipitação decendial. A variabilidade intraanual é caracterizada por três modos. O primeiro modo caracteriza-se por um máximo localizado no inverno e está associado à costa ocidental e à costa sul peninsular. A configuração do segundo modo define regiões localizadas no interior norte e sudeste da Península Ibérica e, apresenta dois máximos. O primeiro máximo aparece na primavera e o segundo no final do verão/início do outono. O terceiro modo define uma região localizada no interior norte oriental da Península Ibérica e, a variação intra-anual caracteriza-se por um máximo e um mínimo. O mínimo ocorre entre os meses de Janeiro e Julho enquanto que, o máximo surge entre Agosto e Dezembro.
 
 

Citas

Cahalan RF, 1983. EOF spectral estimation in climate analysis. In Proceedings of Second International Meeting in Statistical Climatology, Lisbon, Portugal: 4.1.5-4.5.7. Cuadras CM, 1991. Métodos de Análisis Multivariante, P.P.U. Drosdowsky W, 1993. An analysis of Australian seasonal rainfall anomalies: 1950-1987. II: Temporal variability and teleconnection patterns. International Journal of Climatology 13: 111-149. Esteban-Parra MJ, Rodrigo FC, Castro-Díez Y. 1998. Spatial and temporal patterns in Spain for the period 1880-1992. International Journal of Climatology 18: 1557-1574. Flury B, 1988. Common Principal Components and Related Multivariate Models, John Wiley and Sons Fraedrich K, Muller K, 1992. Climate anomalies in Europe associated with ENSO extremes. International Journal of Climatology 12: 25-31. Hogg WD, 1995. Cycles and trends in time series of Canadian extreme rainfall. In Proceedings of Sixth International Meeting in Statistical Climatology, University College, Galway: 257-278. Hurrel JW, van Loon H, 1995. Decadal Trends in the North Atlantic oscillation and relationships to regional temperature and precipitation. In Proceedings of Sixth International Meeting in Statistical Climatology, University College, Galway vol 1, 185-188. Jackson JE, 1991. A user Guide to Principal Components, John Wiley and Sons Jolliffe IT, 1986. Principal Component Analysis. Nova York, Springer-Verlag. Kutiel H, Maheras P, Guika S, 1996. Circulation and extreme rainfall conditions in the eastern Mediterranean during the last century. International Journal of Climatology 16: 73-92. Lana X, Martínez MD, Serra C, Burgueño A, 2004. Spatial and temporal variability of the daily rainfall regime in Catalonia. International Journal of Climatology 24: 613-641. Marshall J, Kushnir Y, Batisti D, Chang P, Czaja A, Dickson R, Hurrel J, McCartney M, Saravanan R, Visbeck M, 2001. North Atlantic climate variability: phenomena, impacts and mechanisms. International Journal of Climatology 21: 1863-1898. Matayo I, Semazzi FHM, Ogallo LJ, 2000. ENSO signals in East African rainfall seasons. International Journal of Climatology 20: 19-46.

Nieto S, Frías MD, Rodríguez-Puebla C, 2004. Assessing two different climatic models and the NCEP-NCAR reanalysis data for description of winter precipitation in the Iberian Peninsula. International Journal of Climatology 24: 361-376. Papineau JM, 2001. Wintertime temperature anomalies in Alaska correlated with ENSO and PDO. International Journal of Climatology 21: 15771592. Preisendorf RW, 1988. Principal Component Analysis in Meteorology and Oceanography. Developments in Atmospheric Sciences 17. Amesterdão, Elsevier. Rodó X, Baert E, Comin FA, 1997. Variations in seasonal rainfall in Southern Europe during present century: relationships with the North Atlantic Oscillation and the El Niño-Southern Oscillation. Climate Dynamics 13: 275-284. Rodríguez-Puebla C, Encinas AH, Nieto S, Garmendia J, 1998. Spatial and temporal patterns of annual precipitation variability over the Iberian Peninsula. International Journal of Climatology 18: 299-316. Rodríguez-Puebla C, Encinas AH, Saénz J, 2001. Winter precipitation over the Iberian Peninsula and its relationships to circulation indices. Hydrology and Earth System Sciences 53: 233-244. Sáenz J, Zubillaga J, Rodríguez-Puebla C, 2001. Interannual Variability of Winter Precipitation in Northern Iberian Peninsula. International Journal of Climatology 21: 1503-1513. Sumner G, Homar V, Ramis C, 2001. Precipitation Seasonality in Eastern and Southern Coastal Spain. International Journal of Climatology. 21: 219-247. von Storch H, 1994. Spatial patterns: EOFs and C.C.A, Analysis of Climate Variability Precipitation, Berlim, Springer-Verlag. von Storch H, Zwiers HW, 1998. Statistical Analysis in climate research, Berlim, Cambridge University Press. Yin ZY, 1999. Winter temperature anomalies of the North China Plain and macroscale extratropical circulation patterns. International Journal of Climatology 19: 291-308. Zhou J, Lau KM, 2001. Principal modes of interannual and decadal variability of summer rainfall over South America. International Journal of Climatology 21: 1623-1644.Zorita E, Kharin V, Storch H, 1992. The Atmospheric Circulation and Sea Surface Temperature in the North Atlantic Area in Winter: Their Interaction andRelevance for Iberian Precipitation. Journal of Climate 5: 10971107.

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Publicado

2020-03-14

Número

Sección

Climatología, Variabilidad Climática, Cambio Climático, Regionalización