Comparative study of the physico-chemical parameters of the coastal waters in rivers Matla and Saptamukhi: Impacts of coastal water coastal pollution
A qualitative and quantitative research has been performed on the physico-chemical parameters of the neighboring coastal waters of the rivers Matla and Saptamukhi in the Sunderban district, West Bengal. The distribution pattern of eight physico-chemical parameters, namely pH, salinity, dissolved oxygen, suspended solids, nitrogen and phosphorus concentrations (inorganic and total) has been graphed and compared for the two rivers over a time period of ten years (’90s decade). A statistical analysis has been carried out and the correlation data between these parameters has been rationalized based on both natural and man-made activities during that time. This has pointed to various causes behind coastal pollution of river waters. The changes in water quality have been related to flood impacts, storm surge, eutrophication, domestic sewage, agricultural and industrial wastes. In order to avoid coastal degradation and maintain environmental balance, it is very important to understand the impact of these parameters on coastal zones.
We have studied the peculiarities of the extrinsic thermal voltaic effect and the possibility of reducing the optimal temperature for using photothermal elements and selecting the impurities for conducting preliminary experimental surveys on this subject. more
The paper considers the methods of measuring solar radiation and analyzes the long-term data obtained by actinometric measurements of solar radiation at the location of the LSF with a thermal capacity of 1000 kW in Uzbekistan (the city of Parkent). more
The authors synthesized of mixed orthophosphates Ca0.5Ti2(PO4)3 using concentrated solar radiation. We obtained a porous ceramic filter with the given type of NZP structure and high thermal and hydrolytic stability. more