The “Little Ice Age” and Its Geomorphological Consequences in Mediterranean Europe

Grove, A. T.

doi:10.1007/978-94-017-3352-6_5

Cited by 55 publications

(69 citation statements)

References 26 publications

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“…We have found no records in the basin to floods during the Warm Medieval Period (MWP) in opposition to that obtained on their work but we found several during the Little Ice Age Period (LIA), being a period of high magnitude events in all Europe (e.g. Grove, 2001;Macklin and Lewis, 2003;Macklin et al, 2006). In this period (14-19th centuries) we find at least nine high magnitude events (attributed to the 1545,1596,1603,1758,1766,1796,1823,1859 and 1876 AD historical floods) and associated to a cold period associated to an increase of fluvial geomorphic activity.…”

Section: Climatic Influence In High Magnitude Floodscontrasting

confidence: 94%

A contribution to improved flood magnitude estimation in base of palaeoflood record and climatic implications – Guadiana River (Iberian Peninsula)

Ortega

Garzón

2009

Nat. Hazards Earth Syst. Sci.

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Abstract.The Guadiana River has a significant record of historical floods, but the systematic data record is only 59 years. From layers left by ancient floods we know about we can add new data to the record, and we can estimate maximum discharges of other floods only known by the moment of occurrence and by the damages caused. A hydraulic model has been performed in the area of Pulo de Lobo and calibrated by means of the rating curve of Pulo do Lobo Station. The palaeofloods have been dated by means of 14 C y 137 Cs. As non-systematic information has been used in order to calculate distribution functions, the quantiles have changed with respect to the same function when using systematic information. The results show a variation in the curves that can be blamed on the human transformations responsible for changing the hydrologic conditions as well as on the latest climate changes. High magnitude floods are related to cold periods, especially at transitional moments of change from cold to warm periods. This tendency has changed from the last medium-high magnitude flood, which took place in a systematic period. Both reasons seem to justify a change in the frequency curves indicating a recent decrease in the return period of big floods over 8000 m 3 s −1 . The palaeofloods indicate a bigger return period for the same water level discharge thus showing the river basin reference values in its natural condition previous to the transformation of the basin caused by anthropic action.

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Section: Climatic Influence In High Magnitude Floodscontrasting

confidence: 94%

A contribution to improved flood magnitude estimation in base of palaeoflood record and climatic implications – Guadiana River (Iberian Peninsula)

Ortega

Garzón

2009

Nat. Hazards Earth Syst. Sci.

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“…It is thus clear that human activity affects local environment and climate. On the other hand, A. T. Grove (2001) advised caution when interpreting dubious claims about the dominant role played by human activity such as in deforestation, agricultural expansion and population growth on geomorphological changes in Mediterranean Europe. In particular, A. T. Grove (2001) showed that the wide spread occurrence of the medieval fluvial terrace called the 'younger fill' around Mediterranean Europe was more powerfully influenced by increased frequency of deluges during Alpine glacier advances associated with the Little Ice Age than by soil erosion and rapid sedimentation caused by deforestation.…”

Section: Resultsmentioning

confidence: 99%

Proxy climatic and environmental changes of the past 1000 years

Soon

Baliunas²

2003

Clim. Res.

128

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The 1000 yr climatic and environmental history of the Earth contained in various proxy records is reviewed. As indicators, the proxies duly represent local climate. Because each is of a different nature, the results from the proxy indicators cannot be combined into a hemispheric or global quantitative composite. However, considered as an ensemble of individual expert opinions, the assemblage of local representations of climate establishes both the Little Ice Age and Medieval Warm Period as climatic anomalies with worldwide imprints, extending earlier results by Bryson et al. (1963), Lamb (1965, and numerous intervening research efforts. Furthermore, the individual proxies can be used to address the question of whether the 20th century is the warmest of the 2nd millennium locally. Across the world, many records reveal that the 20th century is probably not the warmest nor a uniquely extreme climatic period of the last millennium.

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“…As a result, not only is there an acceleration in the drying up of the studied wetlands by the reduction of the variables linked to precipitation, but also by the increase in climate variability. With regard to the relationship with the intensification of the erosional processes, climatic conditions inducing the LIA glacial advances were also responsible for an increase in flooding frequency and sedimentation in Mediterranean Europe (Grove 2001).…”

Section: The Hydronyms Of Doñana Natural Park (Spain) As Indicators Omentioning

confidence: 99%

Wetland place names as indicators of manifestations of recent climate change in SW Spain (Doñana Natural Park)

et al. 2010

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Recent studies have shown the value of place names as environmental indicators. Until now they have not been applied to the effects of climate change, because verifying such relationship by this approach requires a multidisciplinary analysis and a study area where the anthropic impact has been recent. This study aims to test the possibility in a study area little altered by man until the second half of the twentieth century (Doñana Natural Park, SW Spain), and with a heritage very rich in wetlands. The results show that the desiccation of these wetlands is reflected in the local toponymy, and that in turn this regression is related with the end of the Little Ice Age and with the beginning of warming in southern Europe during the twentieth century. The coincidence of these results with data published for Arctic latitudes reveals-in our opinion-the possibility that certain place names can be used as indicators of recent climate changes, at least in some ecosystems.

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The “Little Ice Age” and Its Geomorphological Consequences in Mediterranean Europe

Cited by 55 publications

References 26 publications

A contribution to improved flood magnitude estimation in base of palaeoflood record and climatic implications – Guadiana River (Iberian Peninsula)

A contribution to improved flood magnitude estimation in base of palaeoflood record and climatic implications – Guadiana River (Iberian Peninsula)

Proxy climatic and environmental changes of the past 1000 years

Wetland place names as indicators of manifestations of recent climate change in SW Spain (Doñana Natural Park)

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