Modelling monthly precipitation with circulation weather types for a dense network of stations over Iberia
-
Published:2013-02-13
Issue:2
Volume:17
Page:665-678
-
ISSN:1607-7938
-
Container-title:Hydrology and Earth System Sciences
-
language:en
-
Short-container-title:Hydrol. Earth Syst. Sci.
Author:
Cortesi N.,Trigo R. M.,Gonzalez-Hidalgo J. C.,Ramos A. M.
Abstract
Abstract. Precipitation over the Iberian Peninsula (IP) is highly variable and shows large spatial contrasts between wet mountainous regions to the north, and dry regions in the inland plains and southern areas. In this work, we modelled the relationship between atmospheric circulation weather types (WTs) and monthly precipitation for the wet half of the year (October to May) using a 10 km grid derived from a high-density dataset for the IP (3030 precipitation series, overall mean density one station each 200 km2). We detected two spatial gradients in the relationship between WTs and precipitation. The percentage of monthly precipitation explained by WTs varies from northwest (higher variance explained) to southeast (lower variance explained). Additionally, in the IP the number of WTs that contribute significantly to monthly precipitation increase systematically from east to west. Generally speaking, the model performance is better to the west than to the east where the WTs approach produce the less accurate results. We applied the WTs modelling approach to reconstruct the long-term precipitation time series for three major stations of Iberia (Lisbon, Madrid, Valencia).
Publisher
Copernicus GmbH
Subject
General Earth and Planetary Sciences,General Engineering,General Environmental Science
Reference64 articles.
1. Andrade, C., Santos, J. A., Pinto, J. G., and Corte-Real, J.: Large-scale atmospheric dynamics of the wet winter 2009–2010 and its impact on hydrology in Portugal, Clim. Res., 46, 29–41, 2011. 2. Ansell, T., Jones, P. D., Allan, R. J., Lister, D., Parker, D. E., Brunet-India, M., Moberg, A., Jacobeit, J., Brohan, P., Rayner, N., Aguilar, E., Alexandersson, H., Barriendos, M., Brazdil, R., Brandsma, T., Cox, N., Drebs, A., Founda, D., Gerstengarbe, F., Hickey, K., Jonsson, T., Luterbacher, J., Nordli, O., Oesterle, H., Rodwell, M., Saladie, O., Sigro, J., Slonosky, V., Srnec, L., Suarez, A., Tuomenvirta, H., Wang, X., Wanner, H., Werner, P., Wheeler, D., and Xoplaki, E.: Daily mean sea level pressure reconstructions for the European – North Atlantic region for the period 1850–2003, J. Climate, 19, 2717–2742, 2006. 3. Auer, I., Bohm, R., Jurkovic, A., Orlik, A., Potzmann, R., Schoner, W., Ungersbock, M., Brunetti, M., Nanni, T., Maugeri, M., Briffa, K., Jones, P., Epthymiadis, D., Mestre, O., Moisselin, J. M., Begert, M., Brazdill, R., Bochniker, O., Cegnar, T., Gajic-Capka, M., Zaninovic, K., Majstorovic, Z., Szalai, S., Szentimrey, T., and Mercalli, L.: A new instrumental precipitation dataset for greater Alpine region for the period 1800–2002, Int. J. Climatol., 25, 139–166, 2005. 4. Auffray, A., Clavel, A., Jourdain, S., Ben Daoud, A., Sauquet, E., Lang, M., Obled, C., Panthou, G., Gautheron, A., Gottardi, F., and Garcon, R.: Reconstructing the hydrometeorological scenario of the 1859 flood of the Isere river, Houille Blanche-Revue Internationale de l'eau, 1, 44–50, 2011. 5. Bárdossy, A. and Pegram, G.: Downscaling precipitation using regional climate models and circulation patterns toward hydrology, Water Resour. Res., 47, W04505, https://doi.org/10.1029/2010WR009689, 2011.
Cited by
57 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献
|
|