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Nat. Hazards Earth Syst. Sci., 15, 1631-1637, 2015
https://doi.org/10.5194/nhess-15-1631-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
28 Jul 2015
Early heat waves over Italy and their impacts on durum wheat yields
G. Fontana, A. Toreti, A. Ceglar, and G. De Sanctis European Commission, Joint Research Centre, Ispra (VA), Italy
Abstract. In the last decades the Euro-Mediterranean region has experienced an increase in extreme temperature events such as heat waves. These extreme weather conditions can strongly affect arable crop growth and final yields. Here, early heat waves over Italy from 1995 to 2013 are identified and characterised and their impact on durum wheat yields is investigated. As expected, results confirm the impact of the 2003 heat wave and highlight a high percentage of concurrence of early heat waves and significant negative yield anomalies in 13 out of 39 durum wheat production areas. In south-eastern Italy (the most important area for durum wheat production), the percentage of concurrent events exceeds 80 %.

Citation: Fontana, G., Toreti, A., Ceglar, A., and De Sanctis, G.: Early heat waves over Italy and their impacts on durum wheat yields, Nat. Hazards Earth Syst. Sci., 15, 1631-1637, https://doi.org/10.5194/nhess-15-1631-2015, 2015.
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Short summary
Extreme weather conditions can strongly affect arable crop growth and final yields. Early heat waves over Italy from 1995 to 2013 are identified and characterised, and their impact on durum wheat yields is investigated. Results confirm the impact of the 2003 heat waves and highlight a high percentage of concurrence of early heat waves and significant negative yield anomalies in 13 out of 39 durum wheat production areas. In the most important area of production this percentage exceeds 80%.
Extreme weather conditions can strongly affect arable crop growth and final yields. Early heat...
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