A 1400-years flood frequency reconstruction for the Basque country (N Spain): Integrating geological, historical and instrumental datasets

Corella, Juan Pablo; Benito, Gerardo; Monteoliva, Agustín; Sigrò, Javier; Calle, Mikel; Valero‐Garcés, Blas L.; Stefanova, Vania; Rico, Eugenio; Favre, Anne‐Catherine; Wilhelm, Bruno

doi:10.1016/j.quascirev.2021.106963

Cited by 11 publications

(9 citation statements)

References 84 publications

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“…Furthermore, the investigation of floods within annually deposited lake sediments reveals their degree of stationarity. Several studies of flood deposits within varve‐bearing lacustrine sections demonstrated that flood frequency is not stationary at the decadal to centennial time scales (Brauer et al, 2008; Corella et al, 2021; Witt et al, 2017). Such frequency changes and non‐stationarity occurred under different climatic conditions (Brauer et al, 2008; Corella et al, 2016, 2021; Swierczynski et al, 2013), as observed in modern records (Blöschl et al, 2020; Redmond et al, 2002).…”

Section: Advances In Research Methods and Techniquesmentioning

confidence: 99%

“…Several studies of flood deposits within varve-bearing lacustrine sections demonstrated that flood frequency is not stationary at the decadal to centennial time scales (Brauer et al, 2008;Corella et al, 2021;Witt et al, 2017). Such frequency changes and non-stationarity occurred under different climatic conditions (Brauer et al, 2008;Corella et al, 2016Corella et al, , 2021Swierczynski et al, 2013), as observed in modern records (Blöschl et al, 2020;Redmond et al, 2002). An increasingly large number of studies indicate that, over centennial time scales, non-stationarity characterizes both the mean and the variance of flood series, thus forming decadal to centennial clusters of increased flood frequency that stem directly from hydroclimatic variability (Ben Dor et al, 2018;Chiverrell et al, 2019;Czymzik et al, 2010;Witt et al, 2017).…”

Section: Palaeoenvironmental Correlations: Lacustrine Recordsmentioning

confidence: 99%

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Fluvial palaeohydrology in the 21st century and beyond

Baker

Benito

Brown

et al. 2021

Earth Surf Processes Landf

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Professor Kenneth J. Gregory was a major contributor to fluvial palaeohydrological research. Beginning in the early 1980s, under his influence, rapid international growth of the discipline was accompanied by major advances in research methods and techniques. Current research emphases include applications of quantitative modelling and meta-analysis; the correlation of fluvial events to other records, notably palaeolacustine records; and methods for application to diverse issues of river engineering and management. The international expansion and detailed analyses of fluvial palaeohydrology are exemplified by recent studies done in Fennoscandia, the Mediterranean region, India, Israel, Australia, Pacific humid island arcs, and South America. Future developments will involve expanded work with

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Section: Advances In Research Methods and Techniquesmentioning

confidence: 99%

Section: Palaeoenvironmental Correlations: Lacustrine Recordsmentioning

confidence: 99%

Fluvial palaeohydrology in the 21st century and beyond

Baker

Benito

Brown

et al. 2021

Earth Surf Processes Landf

Self Cite

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“…Heterogeneity and uncertainties also arise from the different nature and timespan of the proxies used, their uneven spatial and temporal resolution and the climatic phenomena they are related to. Reconstructions of precipitation are scarce, and studies on variations in the hydrological cycle have mainly focused on paleoflood and extreme events (Corella et al, 2021;. Furthermore, humans have strongly altered the Mediterranean landscape over the last millennia, blurring many climatic signals that may have allowed for more extended climatic reconstructions (see Rick et al, 2020 and literature therein).…”

Section: Comparison With Other Reconstructions Of the Mediterranean Contextmentioning

confidence: 99%

“…Several hydrological reconstructions spanning the last millennium for the Pyrenees and NE Iberian Peninsula are available based on tree ring (Génova, 2012), cave (Moreno et al, 2017;Stoll et al, 2013) and lake records (Corella et al, 2014(Corella et al, , 2021Morellón et al, 2011Morellón et al, , 2012Moreno et al, 2012;Pla and Catalan, 2005). These records show colder conditions and large hydrological variability during the Little Ice Age (LIA), a transition to the Industrial and Postindustrial Era and the recent global warming.…”

Section: Introductionmentioning

confidence: 99%

Regional Precipitation Trends Since 1500 Ce, Reconstructed from Calcite Sublayers of a Varved Mediterranean Lake Record (Central Pyrenees)

Vegas-Vilarrúbia¹,

Corella²,

Sigrò³

et al. 2021

Preprint

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The Mediterranean is one of the regions of the world where human-induced climate warming is expected to have large impacts on water and environmental resources. To predict shifts in the current climate system, more regional climate records, including seasonal-to-century scale variability spanning longer than the instrumental periods, are needed. To help fill this gap, we provide a reconstruction of autumn precipitation variations for the Central Pyrenees range since 1500 Common Era (CE) using the varved sediments of Lake Montcortès. To assess the suitability of the calcite sublayer width of the sediments of this lake as a proxy for precipitation anomalies, we performed an analysis and smoothing of the temporal structure of the width series, calibration of the new series with the available instrumental climate records, calculation of a transfer function and testing and comparison of the reconstructed series against available empirical data.The prediction model was statistically robust and showed that the climatic signal was captured in the calcite sublayers. The reconstruction provides the first estimations of regional autumn precipitation shifts in the Central Pyrenees at annual resolution, since 1500 CE. Pronounced interdecadal shifts in precipitation were noticeable; no increasing nor decreasing linear trends or periods of extreme precipitation events were identified. The reconstructed precipitation anomalies suggest a decrease in rainfall during the coldest phase within the coldest period of the Little Ice Age and also during the 20th century, probably associated to current Global Warming. Correlations between autumn precipitation and the North Atlantic Oscillation, Western Mediterranean Oscillation and Southern Oscillation indices were weak to moderate. A potential relationship with the Atlantic Multidecadal Oscillation pattern is suggested. The reconstructed autumn precipitation trends are coherent with other palaeohydrological reconstructions in similar Mediterranean settings, and consistent at a regional level.

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“…Corella et al [62] created a dataset of floods for northern Spain, based on different sources, each covering a different period. More specifically, they used hydrological measures and data from the last 20 years, palaeoflood analysis data from the last 1400 years, and recorded floods from the last 700 years.…”

Section: Introductionmentioning

confidence: 99%

A GIS-Based Assessment of Flood Hazard through Track Records over the 1886–2022 Period in Greece

Evelpidou,

Cartalis,

Karkani

et al. 2023

Climate

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This paper addresses the riverine flood events that have occurred in Greece over the last 136 years (i.e., during the 1886–2022 period), focusing, amongst others, on the case of urban floods. The flood record of various sites of the country has been collected and analyzed to determine their spatial and temporal distribution. Greece is a country where flood data and records are very scarce. Therefore, as there is not an integrated catalog of Greek floods spanning from the 19th century to recently, this is the first attempt to create an integrated catalog for Greece. The sources used include published papers, local and regional newspapers and public bodies (mainly the Ministry of Environment and Energy and the official websites of Greek municipalities). Additionally, the main factors responsible for their occurrence have been issued, regarding the country’s climatic, geological and geomorphological setting, as well as human interventions. In addition, the atmospheric circulation driving factors of floods are assessed via an unsupervised neural network approach (i.e., Self-Organizing Maps). Based on the results of this research, an online GIS-based database has been created, depicting the areas that have been struck by riverine floods in Greece. By clicking a flood event in the online database, one can view several characteristics, depending on data availability, such as duration and height of the rainfall that caused them and number of fatalities. Long-term trends of mean and extremes seasonal precipitation also linked to the spatial distribution of floods. Our analysis shows that urban floods are a very large portion of the overall flood record, and they mainly occur in the two large urban centers, Athens and Thessaloniki, as well as near large rivers such as Pineios. Autumn months and mainly November are the periods with higher flood hazards, based on past records and cyclonic atmospheric circulation constitutes the principal driving factor. Our results indicate that a flood catalog at national level is of fundamental importance, as it can provide valuable statistical insights regarding seasonality, spatial distribution of floods, etc., while it can also be used by stakeholders and researchers for flood management and flood risk analysis and modelling.

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A 1400-years flood frequency reconstruction for the Basque country (N Spain): Integrating geological, historical and instrumental datasets

Cited by 11 publications

References 84 publications

Fluvial palaeohydrology in the 21st century and beyond

Fluvial palaeohydrology in the 21st century and beyond

Regional Precipitation Trends Since 1500 Ce, Reconstructed from Calcite Sublayers of a Varved Mediterranean Lake Record (Central Pyrenees)

A GIS-Based Assessment of Flood Hazard through Track Records over the 1886–2022 Period in Greece

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