Heat and drought 2003 in Europe: a climate synthesis
- 14 September 2006
- journal article
- Published by EDP Sciences in Annals of Forest Science
- Vol. 63 (6), 569-577
- https://doi.org/10.1051/forest:2006043
Abstract
Résumé - La chaleur et la sécheresse 2003 : une synthèse climatique. Températures et sécheresse ont été extrêmes en Europe durant l'été 2003. Les valeurs les plus anormales ont été atteintes par les températures maximales en juin et en août. La répartition spatiale des anomalies de température montre des similarités frappantes entre ces deux mois dans les zones les plus concernées. Des températures généralement supérieures à la normale ont régné sur une grande partie de l'Europe centrale et occidentale de mai à septembre 2003. Le déficit des précipitations a été particulièrement prononcé durant l'été 2003, mais a duré de février 2003 à juin 2004. L'insolation a été supérieure à la normale, non seulement durant l'été mais durant toute l'année 2003. La sécheresse qui a touché la végétation durant l'été 2003 a été renforcée par la durée prolongée du déficit de précipitations et d'humidité, par les températures extrêmement élevées durant l'été ainsi que des valeurs élevées d'insolation.International audienceHeat and drought were extreme in summer 2003 in Europe. Climatic data show that most extreme were maximum air temperatures in June and August; maps of these two months show a striking similarity in geographical range. Over wide regions, monthly mean temperatures were more than 4 ◦C above the long term mean values. The heat lasted from May to September in large parts of western and central Europe. The lack of precipitation was most severe in summer 2003 but precipitation was generally below normal from February 2003 until June 2004 (with the exception of two months). Sunshine duration was above normal, particularly in regions which usually have rainy and cloudy episodes in summer, and relative air humidity was below normal during the whole year of 2003. The drought experienced by the vegetation in summer 2003 was exacerbated by the length of the period with scarce precipitation and humidity, by the heat during the summer and by long sunshine durationKeywords
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