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CLIMATE CHANGES IN THE LAST 30 YEARS STUDY CASE: WEST REGION ROMANIA
Abstract
The climate changes represent an important problem in today-s society. Our study refers to the West Region of Romania, formed by the counties of Arad, Timis, Caras-Severin, Hunedoara, and it shows that there are significant differences regarding the climate changes between these counties. In our paper, we analyze the evolution of annual, respectively seasonal precipitations , and of the minimal, maximal and medium air temperatures in the considered region in the time frame 1991-2021. The statistical analysis of data shows an increase of the medium annual air temperatures, the observed changes being more pronounced in summer and winter. Beside the increase tendency of the air temperature in winter, one could observe also that the time of heat waves has become significantly longer in the West of Romania, such that the number of hot days is larger. An increase of the maximum length of the periods without precipitation has been observed over the last decades in the west during summer, as well as monthly anomalies of temperatures and precipitations. Annual estimates of the Climate Altering Land Cover Index are presented for the analyzed period and we observe that there is a positive correlation between these indices and the mean air temperature. In conditions of the climate changes, the mean summer precipitations will reduce in the coming decades, which will affect the management of water resources and the agriculture, which leads to the necessity of adjustment to the climate changes.
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