1. Meteorology and Hydrology Department, Faculty of Geography, University of Bucharest, Blv. Nicolae Bălcescu No. 1, Sector 1, 010041 Bucharest, Romania
2. Department of Environmental Sciences, Faculty of Ecology and Environment Protection, Ecological University of Bucharest, Blv. Vasile Milea, 1G, Sector 6, 061341 Bucharest, Romania