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The Effect of P Between Different Water Columns and sediments Class:ES M091030 Name:Zhao Ying

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Applied Ecology and Environmental Research, 2020 This paper provides an analysis of the effect of submerged vegetation on the physicochemical parameters of water with particular regard to transparency in mining subsidence reservoirs (MSR). The research encompassed 8 subsidence reservoirs with a diversified structure of submerged plants in the littoral zone. It has been proven that reservoirs where submerged vegetation coverage is greater than 25% of the water surface area are characterized by significantly greater transparency of water. High water transparency is desirable due to a greater utility value of reservoirs and their biologic diversity. The results from this research indicate that supporting the development of submerged vegetation in mining subsidence reservoirs may be an effective method for improving the water quality of such reservoirs.

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Kolhapur city is one of the major cities in Maharashtra and well source of water bodies available in the western region of Maharashtra. But still facing the water scarcity in summer days due to the polluted water is unfit to use. Kolhapur district and city have major problems with water quality. Some of the parts of district blessed with River or lakes but due to human activities pollute the surface water sources. Groundwater table lowering day by day pass or contaminated due to industrial activities. So basically, it is not fit for drinking and for also irrigation purpose. This review paper is to analyze the groundwater and also surface water physicochemical parameter analysis and potential of calculating parameters and remedies the effect of pollution activities. A. A. Adsule | Dr. G. S. Kulkarni"Comparative Analysis of Ground Water & Surface Water of Kolhapur based on various Physico-Chemical Parameters" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018, URL: http://www.ijtsrd.com/papers/ijtsrd12899.pdf http://www.ijtsrd.com/engineering/environmental-engineering/12899/comparative-analysis-of-ground-water-and-surface-water-of-kolhapur-based-on-various-physico-chemical-parameters/a-a-adsule

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Eutrophication is a natural process in which water bodies age, and transit from a low productive condition (oligotrophic) into a high productive condition (eutrophic). In such condition, a majority of organic substances that are produced in surface layers do not completely decompose, but settle on the bottom, where they decompose. An increased (artificial) input of nutrients significantly accelerates this process, disturbing the natural balance between the biomass production and mineralization, where the production considerably multiplies. This can lead to a successful decrease in oxygen concentration on the bottom of an eutrophic lake, and in more inconvenient cases even to an anaerobic condition. This can result in an increase in the concentrations of ammonium, iron, manganese, and other substances, as well as in the occurrence of hydrogen sulphide and methane, which has a negative impact on the quality, both from the aspect of biotope habitat and water usage possibilities.

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UK water quality 10 UK water quality Course: Professor: City: Date: Why water quality has deteriorated Introduction According to Boyd, (2015) water quality is the physical, biological, radiological and chemical components of water. Water quality can also be defined as a measure of the condition of water of one or more biotic species for use by human beings, animals, aquatic organisms or any other purposes. Lastly, water quality can also be defined as how suitable water can be used for different purposes. Determination of water quality The quality of water that is on earth is a function of (affected by) either natural influences or human activities. Water quality is determined by determining the weathering of bedrock minerals in the scenario where there is no human interference, (Chapman 2016). It is an atmospheric process of deposition of dust and, salt by the wind, and evapotranspiration, leaching of natural organic materials and the nutrients runoff in soil. Runoff which is caused by hydrological factors and a biological process in the aquatic environment can lead to changes in the physical and chemical constituents of water, (Ahuja 2013). Water quality is determined by comparing the chemical and physical characteristics of a water sample according to the existing standards (guidelines). Regarding determining the quality of water for drinking, the standards are set so as to ensure that the drinking water is safe and clean for human consumption, (De Zuane, 1997). Attainment of these standards is through checking of the toxic levels so as to learn whether the water is fit for drinking by humans or even animals (which includes aquatic animals.) Water quality indicators. According to regional aquatics monitoring program, water quality is defined as the concentration physical and chemical components. Water quality indicators include: metals, conductivity, nutrients, dissolved oxygen, industrial chemicals (dioxins and PCBs), temperature, hydrocarbons and lastly, the conventional variables- (dissolved wastes, suspended sentiments, pH levels) Has water quality deteriorated or improved? In the recent years, water levels across the world have been declining, Ahuja (2013). Reasons attributed to the deterioration of water quality levels are: a fast growing human population, increased agricultural activities, expanding industrialization, irrigation, and the ever changing weather and climatic conditions, (Terrell & Perfetti, 1992). These reasons are such a threat to the hydrological cycle leading to increased pollution which in return adds up to the low-quality levels of water. According to Boyd, (2000), at the moment, the largest water quality problem is eutrophication, which is caused by high levels of nitrogen and phosphorous which damage the water uses. Many nutrient sources consist of indoor pollution, agricultural runoff, industrial waste release, and atmospheric components of fossil fuels and other fires. According to World Health ...

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