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Lake Brates is located near Galati city, in the south-eastern part of Romania being one of the largest lakes in the country. Unfortunately, water quality has greatly decreased in recent years, both due to human actions and to climate change. The present paper aims at establishing the quality of the water in Lake Brates as resulted from the calculation of the water quality index (WQI) by the weighted arithmetic method. In order to calculate this index, several sampling campaigns were carried out in various points o...

Waves represent the most important factor in the evolution of the coastal zones. One of the main causes leading to the wave formation is the movement of the air masses. A particular influence on the wave agitation regime in the littoral sector is exerted by the shore configuration, water depth, bottom relief and the formation of ice cover in winter. The scope of this paper is to analyze the historical data on the wind and waves in the Danube discharge area. The emphasis is on the maximum values of wave heights and...