Interannual variability of winter precipitation in northern Iberian Peninsula

Sáenz, Jon; Zubillaga, Juan; Rodríguez-Puebla, Concepción

doi:10.1002/joc.699

Cited by 36 publications

(25 citation statements)

References 39 publications

(59 reference statements)

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“…These results are consistent with a similar analysis undertaken by Trigo et al (2008). The NAO is probably not the main factor affecting precipitation over the northern coast of the Iberian Peninsula (Trigo et al 2008, Aravena et al 2009a, particularly during the winter season (Sáenz et al 2001c). .…”

Section: Observations In the 20th Centurysupporting

confidence: 90%

Climate change impacts on coastal and pelagic environments in the southeastern Bay of Biscay

Chust¹,

Borja²,

Caballero³

et al. 2011

Clim. Res.

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The impacts of global climate change on the Basque coast and the pelagic systems within the southeastern Bay of Biscay are reviewed. Climate projections under greenhouse gas emission scenarios indicate that this area will experience changes in climate throughout the 21st century, including warming of surface air (especially heat wave episodes), intensification of extreme daily rainfall (10%), warming of the upper 100 m of the ocean layer (1.5 to 2.05°C), and sea level rise (SLR; 29 to 49 cm). Observations made in the bay throughout the 20th century for air temperature and mean sea level are in agreement with these projections. Trends in ocean-climatic historical observations within the area, including sea temperature, precipitation, upwelling/downwelling, turbulence and wave climate, are also reviewed. The main impacts on the coast are expected to be from SLR, especially in low-lying areas (mostly urbanised) within estuaries. Sandy beaches are also expected to undergo significant mean shoreline retreats of between 25 and 40% of their width. As the sea level rises, the natural migration of saltmarshes and intertidal seagrasses landward will be constrained, in most cases, by existing anthropogenic fixed boundaries. Empirical relationships between the distribution and dynamics of the long-term biological measures (plankton, primary production, benthos, and fisheries) on the one hand, and ocean-climatic variability on the other, indicate that pelagic and coastal water ecosystems will be affected by ocean warming, increased stratification, shifts in anomaly patterns and streamflow regimes. The largest uncertainties are associated with the lack of downscaled projections within the bay on ocean circulation, ocean-meteorological indices, wave climate and ocean acidification.

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Section: Observations In the 20th Centurysupporting

confidence: 90%

Climate change impacts on coastal and pelagic environments in the southeastern Bay of Biscay

Chust¹,

Borja²,

Caballero³

et al. 2011

Clim. Res.

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“…Three LCE types have been distinguished in Mediterranean areas, according to the latitude of the phenomenon. In the case of the northern coast (Singular Type), rainfall causing floods is linked to southern flows that bring air masses from the Atlantic Ocean; the effect of the local orography over these fluxes forces an ascent of the air mass and precipitation in coastal areas (Sáenz et al, 2001). This situation may be linked to low pressure anomalies in the Mediterranean Sea (Muñoz-Díaz & Rodrigo, 2006), but the relation with the Segura River (to the southeast) must be studied in more detail.…”

Section: Classification Of the Large Catastrophic Events (Lce)mentioning

confidence: 99%

Study of historical flood events on Spanish rivers using documentary data

Barriendos

Rodrigo

2006

Hydrological Sciences Journal

137

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Series of reconstructed historical floods are valuable sources of proxy data that can be utilized for the study of flooding fluctuations in the pre-instrumental period. In this work, the severity and frequency of historical flood events in different Spanish rivers are analysed using documentary evidence. The occurrence of floods in the past is analysed bearing in mind the basic topographical and hydrological characteristics of the rivers investigated, as well as the climatological causes of their flooding during the instrumental period. Flood frequency oscillations identified in the present work coincide in general terms with already detected oscillations in previous research for shorter number of chronologies. Analysis for events covering more than two basins shows a relatively small number of cases. Meanwhile, as the climatic context produces simultaneous increases in frequency, geographical characteristics provoke a limitation on the extension of flood impacts during every severe weather event.Key words climatology; documentary data; flood frequency; floods; Spain Etude des crues historiques des rivières espagnoles à l'aide de données documentairesRésumé Les séries de crues reconstituées sont de précieuses sources de données analogues qui peuvent être utilisées pour l'étude des fluctuations de la fréquence des crues au cours de la période pré-instrumentale. Dans ce travail, la sévérité et la fréquence des crues historiques de différentes rivières espagnoles ont été étudiées sur la base de preuves documentaires. La fréquence des crues du passé a été analysée en gardant à l'esprit les principales caractéristiques topographiques et hydrologiques des rivières étudiées, de même que les causes climatologiques de leurs crues au cours de la période instrumentale. Les oscillations de la fréquence des crues identifiées dans ce travail coïncident en gros avec les oscillations détectées dans les recherches antérieures portant sur un nombre de chronologies plus restreint. Les analyses d'évènements intéressant plus de deux bassins sont relativement rares. En attendant, alors que le contexte climatique conduit à une augmentation simultanée des fréquences, les caractéristiques géographiques limitent l'extension des impacts des crues au cours de chaque épisode météorologique sévère.

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“…Cluster 3 is associated with the northern coast, where rainfall is mainly caused by northern or meridional fluxes (Goodess & Jones 2002), when the blocking effect of local orography over these fluxes forces an ascent of the air mass and precipitation in coastal or continental areas, depending on the sign of the meridional component of the fluxes (Sáenz et al 2001). Therefore, Cluster 1 is expected to be the region mainly affected by the NAO.…”

Section: Regionalization Of Winter Rainfall In Spainmentioning

confidence: 99%

Impacts of the North Atlantic Oscillation on the probability of dry and wet winters in Spain

Muñoz-Díaz¹,

Rodrigo²

2004

Clim. Res.

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In many regions of the world, agricultural and water management is usually based on probabilities of seasonal or monthly rainfall, commonly grouped into 3 categories: drought, normal rainfall, and abundant rainfall. Changes in the probabilities of the occurrence of rainfall amounts within these climatic rainfall categories will influence decision-making by farmers and water managers. This study explores the changes induced by the North Atlantic Oscillation (NAO) on the probability of winter rainfall in Spain. The evolution of the NAO was divided into 3 phases: negative NAO (NAO-), neutral NAO (NAOn), and positive NAO (NAO+), and rainfall series were divided into 3 groups corresponding to each NAO phase. Resulting empirical distribution functions allow an estimate of the changes in the probabilities of wet and dry winters due to changes in the NAO phase. Changes in the probability of the occurrence of the rainfall categories are more complex than mere increases in rainfall amount during NAO-and decreases during NAO+ phase. The spatial distribution of impacts is asymmetric, with higher probability of extremes linked to NAO-in the western area of the Iberian Peninsula. KEY WORDS: North Atlantic Oscillation · Rainfall · SpainResale or republication not permitted without written consent of the publisher

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Interannual variability of winter precipitation in northern Iberian Peninsula

Cited by 36 publications

References 39 publications

Climate change impacts on coastal and pelagic environments in the southeastern Bay of Biscay

Climate change impacts on coastal and pelagic environments in the southeastern Bay of Biscay

Study of historical flood events on Spanish rivers using documentary data

Impacts of the North Atlantic Oscillation on the probability of dry and wet winters in Spain

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