Journal cover Journal topic
Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
Nat. Hazards Earth Syst. Sci., 14, 3005-3014, 2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
19 Nov 2014
Extreme temperature days and their potential impacts on southern Europe
A. Cardil1, D. M. Molina1, and L. N. Kobziar2 1School of Agrifood and Forestry Science and Engineering, University of Lleida, Avenida Rovira Roure 191, 25198 Lleida, Spain
2School of Forest Resources and Conservation, University of Florida, P.O. Box 110410, Gainesville, 32611-0410, USA
Abstract. Extreme-temperature events have consequences for human health and mortality, forest disturbance patterns, agricultural productivity, and the economic repercussions of these consequences combined. To gain insight into whether extreme-temperature events are changing in light of global climate dynamics, the annual numbers of high-temperature days (those with temperatures higher than 20, 22.5, and 25 °C at 850 hPa) were analyzed across southern Europe from the years 1978 to 2012. A significant increase in the frequency of these days was found in many areas over the time period analyzed, and patterns in the spatial distribution of these changes were identified. We discuss the potential consequences of the increases in high-temperature days with regards to forest fire risk, human health, agriculture, energy demands, and some potential economic repercussions.

Citation: Cardil, A., Molina, D. M., and Kobziar, L. N.: Extreme temperature days and their potential impacts on southern Europe, Nat. Hazards Earth Syst. Sci., 14, 3005-3014,, 2014.
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