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      Shaping and evaluation of physical parameters for Farwa Lagoon - Libya

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      ScienceOpen Preprints
      ScienceOpen
      Farwa Island, Farwa Lagoon, temperature, salinity, DO, pH, water depth
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            Abstract

            Farwa complex suffers the effect of pollution, temperature change and the high evaporation process. These effects include but are not limited to physical changes like water properties and the island's shape over time, as results of wave motion and direction. The only study that related to this issue was reported by (M. GERGES & A. DURGHAM, 1982) as part of the UNESCO mission. Their study concluded the results of high salinities, approaching 42 % in winter, 43 % in spring, and 44.5. %. in summer, and 43 %. in autumn, are most probably obtained through the evaporation process. Here we expressed our work by InSite examination and satellite image to evaluate these physical parameters. Results reported that TDS dropped from 11203 ppm at 27.7 C to 10430 ppm at 29.2 C and the daily average DO was between 3.0 mg/L and 3.7 mg/L. in addition, the value as inflow needs to be increased by extending the bath or the waterway at least 40 m wide and 3 m deep to let more water come thru it. This engineering proposal will raise the water level inside the lagoon as well as, expend the aquatic life in the area.

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            Author and article information

            Journal
            ScienceOpen Preprints
            ScienceOpen
            28 September 2022
            Affiliations
            [1 ] Environment Department, Faculty of Science, Sabratha University
            Author notes
            Article
            10.14293/S2199-1006.1.SOR-.PPBJWZ2.v1
            2b7fd631-39d6-402b-b7a2-b6d9c89178f1

            This work has been published open access under Creative Commons Attribution License CC BY 4.0 , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Conditions, terms of use and publishing policy can be found at www.scienceopen.com .


            The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.
            Earth & Environmental sciences,Engineering,Geosciences
            Farwa Island, Farwa Lagoon, temperature, salinity, DO, pH, water depth

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