Observed changes in mean and maximum monthly wind speed over Romania since ad 1961

摘要

Monthly time series of mean and maximum wind speed over the period1961–2018 from 104 weather stations evenly distributed over Romania (spatially andelevation-wise) were tested for trends with the Mann-Kendall nonparametric test. Themonthly mean wind speed is decreasing at about half of the stations, while increasingtrends are between 5% (November) and 28% (September). The maximum wind speedpresents decreasing trends in all months at the vast majority of stations – between 75%and 88.5%.