A comparison study of water quality among different regions of two major cities in UAE, Sharjah and Ajman, was undertaken. Numerous water samples were collected from five regions of Ajman and four regions of Sharjah near human activity areas, entertainment areas and industrial areas. The samples were taken approximately 10-20 meters from the shoreline, where the depth was 0.5-1.0 meter. Various tests were conducted to identify the levels of inorganic substances and physico-chemical parameters to determine if they were within an acceptable range for living organisms. Based on the analyzed data, the pH was relatively acidic, where it ranged between 5 and 6. Salinity average was 30,886 µs/cm. Total dissolved solids' (TDS) average was around 58,275 mg/L, and the specific conductance average was about 75,356 µs/cm. Many other inorganic substances involving PO₄³⁻, P, P₂O₅, Fe³⁺, Cu²⁺, SO₄²⁻, Br⁻, NO₃⁻, and NO₃⁻ as nitrogen, were also analysed to determine the impact of human activity on water quality. Some of the data collected for such parameters have showed low concentrations which is an indicator for desirable level of pollution.
Lebanon is a country with several rivers and renewable water resources compared to other neighboring countries. Lebanon has several major rivers that are originating from mount Lebanon. Rivers in-fact entering to the Mediterranean Sea by passing about 20-30 km from their sources at mount Lebanon through the coastal zones (west of Lebanon). Sannine Aquifer at mountain district at an altitude of 1,500 m, is the major inland fresh water, groundwater, source for the coastal area and servicing many lands and cities. In this research, the quality of inland water, fresh-water resources of Mount Lebanon range in the Middle East region, were studied. Water samples were collected from different places among Lebanese mountains. The collected samples were analyzed to measure the average concentration of selected Physico-chemical parameters such as pH, electrical conductivity, total dissolved solids, total alkalinity, total hardness, magnesium, etc. Many other inland water sources (wells) are also existing, however, many of them are saline and are not suitable for direct domestic use or even for irrigation. The study approach water quality assessment and level of pollution and potential impact to seawater of Mediterranean basin since there is a direct connection with the Seawater at each range. The average of electrical conductivity value of fresh water found to be slightly high, TDS value were moderately high while phosphate recorded at high level. Other data assessment show that the quality of inland water has to be monitored since it is deteriorating due to uncontrolled usage.
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