How to cite: Magyari-Sáska, Zs., Dombay, Șt. (2020) Seasons' Shifts in Some Depressions of the Eastern Carpathians, Based on Daily Temperature Analysis. 2020 ”Air and Water – Components of the Environment” Conference Proceedings, Cluj-Napoca, Romania, p. 213-222,
SEASONS' SHIFTS IN SOME DEPRESSIONS OF THE EASTERN CARPATHIANS,
BASED ON DAILY TEMPERATURE ANALYSIS
Zsolt MAGYARI-SÁSKA, Ștefan DOMBAY
ABSTRACT. – The Eastern Carpathians depressions were always considered as the cold corner of Romania having the lowest temperatures. With all these in the past several years in these basis where the apples and potatoes were the most common cultures, now not only maize, cherry and tomatoes are cultivated but also grape and apricot is present. Our research wanted to investigate if it’s about changing in seasons length as it’s present in everyday talk (ex. there’s no more spring) and if it’s a possibly lasting situation or not. Based on daily minimum, maximum and mean temperature values, applying K-means clustering for automatic season detection and trend analysis we found that these depressions are affected by global climate change, but this not affects the presence of the four classic season for continental climate. The seasons are notable but there are changes in how they can be characterized. The most notable result in our current research is that there are significant trends in summers’ minimum, maximum and mean temperatures for all these depressions. The year 2006 could be considered as breaking year for daily mean temperatures as the obtained two periods has a significant difference regarding the daily mean temperature value with an absolute difference between 1.1 – 1.3 degree Celsius.
Keywords: Romania, Eastern Carpathian depressions, changing seasons, global climate change, clustering
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