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ANALYSIS OF THE SPATIAL VARIABILITY OF THE FACTORS DESCRIBING THE WATER QUALITY TO ASSESS THE ECONOMIC IMPACT ON MEDIUM AND LONG TERM - CASE STUDY - DANUBE RIVER IN THE SOUTH-EAST AREA OF ROMANIA
Abstract
Global deterioration of surface water quality was attributed to a pair of factors: human activities and natural processes, including hydrological variability, climate change, weather characteristics, and adjacent land use. The study of water quality in the contemporary era is a current issue. This paper presents an analysis of the variability of water quality parameters in a study developed on 4 years. In a number of 5 monitoring points, 18 water status parameters were monitored. Primary statistic methods were used and preliminary results are presented in this article, in order to assess the economic impact on medium and long term. This work highlights two major aspects: the first one is due to the fact that the site of research is the meeting point of the borders of three countries: Moldova, Ukraine and Romania. The second significant issue is caused by the fact that the study was conducted in the predeltaic area of the Danube Delta. This study was carried out over 4 years, and highlights the auto-filtering capacity of the Danube (River).
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