Vol. 15 No. 4 (2009)
Articles

Heat waves in Hungarian plant production

Published September 2, 2009
A. Révész
Corvinus University of Budapest, Faculty of Horticultural Sciences, Department of Mathematics and Informatics,1118 Budapest, Villányi út 29–43., Hungary
K. Szentteleki
Corvinus University of Budapest, Faculty of Horticultural Sciences, Department of Mathematics and Informatics,1118 Budapest, Villányi út 29–43., Hungary
L. Horváth
Corvinus University of Budapest, Faculty of Horticultural Sciences, Department of Mathematics and Informatics,1118 Budapest, Villányi út 29–43., Hungary
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APA

Révész, A., Szentteleki, K., & Horváth, L. (2009). Heat waves in Hungarian plant production. International Journal of Horticultural Science, 15(4), 113-118. https://doi.org/10.31421/IJHS/15/4/852

A momentous inference of heat waves is the economic effect. The main demage after the human problems will caused by theese extreme events in agriculture. For example a long hot peiod without any percipitation can exterminate not only the annual yield, but also it can demage or in extreme situation it can destroy the whole orchard. Especially endangered most of the fruits, because an extreme summer with high temperature which usually goes hand in hand with an arid period can modify growth of the plant. Our investigations show that according to the most widely accepted climate change scenarios heat waves are expected to be essentially longer and hotter than in the past. It might happen that events we now define as heat waves last through entire summer. Although it will not be general, the length and intensity of present heat waves could also multiply. Based on data provided by some global circulation models, we might be face an event that exceeds the hottest heat waves of the 20th century by as much as 12 °C. This study also offers a survey of the methodology of heat wave definition. Besides traditional calculations, we present two unconventional methods by introducing minimum and maximum temperature heat waves. We show in what points this approach is different from those usually adopted and what extra information it may offer.As an extension of the usual studies, with considering the length of events, we analyse the development of two variants – temperature and duration – and, as a result, classify the extreme heat events according to both length and intensity.

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