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Characterisation of contemporary local climate change in the mountains of southwest Bulgaria |
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| Authors: | Karsten Grunewald Jörg Scheithauer Jean-Marie Monget Derek Brown |
| Institution: | 1. Landschaftsforschungszentrum e.V., Am Ende 14, 01277, Dresden, Germany 2. Ecole du Mines, Paris, France 3. College of Tourism Bansko, Banya, Bulgaria |
| Abstract: | The Pirin Mountains in southwest Bulgaria spatially mark a transition between the Mediterranean and temperate climate zones. Therefore they are also particularly relevant for research on high mountain climate and the effect of landscape transformation. Historical climate records gathered in the area have been researched, checked and statistically examined. The mountainous climate has been characterised and trends in the evolution of temperature and precipitation since 1931 have been outlined. There are objective evidences for an increasing annual mean temperature, longer vegetative periods and local droughts in spring and autumn. Significant changes also appear in climatic threshold values such as the number of frost change days. This last parameter is very important for the sustainability of mountainous ecosystems. |
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