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Water is also present in the atmosphere in solid form in the polar icecaps and as groundwater in aquifers water-bearing rocks deep underground. Water has many remarkable properties. It also acts as Water pollutions essay fluid medium facilitating the dispersal of un-dissolved particulate matter.
Water pollution may be defined as any chemical or physical change in water detrimental to living organisms. It can occur through natural processes, for example by sediments produced by natural erosion.
Water bodies are a major recipient of an extensive array of wastes produced by human activity. These may be discharged directly into watercourses by sewers or pipes from factories or be washed down from agricultural or urban areas particularly after heavy rains.
Under rather exceptional circumstances, water bodies may become significantly contaminated by the atmospheric deposition of pollutants. Water pollution is a global problem and one that does not respect national boundaries. Sources of pollution may be domestic, agricultural or industrial.
In less-developed countries, human and animal waste and sediments from unsound agricultural and forestry practices are the main pollutants. In more-developed countries; industrial pollutants, such as toxic metals, organic Chemicals and heat add to the water pollution problem.
The effectiveness of treating wastes prior to their release into the environment determines the balance between potential and actual pollution.
Organic oxygen-demanding wastes The release of large quantities of oxygen-demanding organic waste into watercourses often has disastrous effects on the indigenous flora and fauna. The primary source of organic waste released into fresh waters is sewage effluent.
Other sources include run-off from urban areas and farms, and some industrial effluents. The recent intensification of livestock production, with larger herds concentrated in smaller areas, has exacerbated the problem of organic pollution from farm animal wastes.
Plant nutrients Aquatic primary productivity is often limited by the availability of inorganic plant nutrients. In freshwater lakes and rivers, the limiting nutrient element is usually phosphorus, whilst in marine waters nitrogen is often in short supply. If small amounts of nutrients enter aquatic ecosystems where they are normally limiting, primary productivity is stimulated.
The water body becomes over-enriched by excessive nutrient input and consequently polluted. Acidification Both acid rain and acid mine drainage contribute significantly to the acidification of natural waters.
These two phenomena are dealt with in detail in this section. However, there are other causes of this particular type of water pollution. For example, the planting of extensive tracts of coniferous forests, usually in upland areas, results in the acidification of the soil and the waters which drain these plantations.
Organochlorines Organochlorines are, as name suggests, organic compounds containing chlorine. Manufactured organochlorines include a number of pesticides, for example DDT, and polychlorinated biphenyls, or PCBs as they are known.Essay Editing Help. upload your essay. browse editors argumentative.
compare and contrast. log in × scroll to top. Water Pollution Essay Examples. 69 total results. The Causes and Solutions to the Water Problem in the State of California.
words. 1 page. An Introduction to the Issue of Overrpopulation of the Bay Area Environmental. Water Pollution Essay.
What are the Main Causes and Effects of Water Pollution? Introduction. Water is known to be a universal solvent and this means that various substances can get added to water and remain completely or partially dissolved or at times even undissolved. Water pollution is a result of changes in its quality and such .
Water Pollution Essay Examples. 69 total results. Water Pollution Is a Threat to Human Civilization and Should Be a Global Issue Prevented by All Countries. 1, words. 3 pages. The Effects of Pollution on Our Water. 1, words. 3 pages. A Review of Puget Sound Report Detailing Industry's Toxic Chemical.
words. 1 page. This essay will cover the topics of why polluters should pay the price for polluting, market failure in relation to polluted stormwater, the affects of pollution on the economy, local households contributing to stormwater pollution, the carbon tax is only for big polluters, the negative externalities, the marginal-cost and marginal-benefit.
Writing an essay about water pollution is a cinch, especially if you’ve been reading a lot about the subject. Water pollution is a usual topic in high school and college essays, primarily because it is timely and relevant.
Here are a few vital tips you should know on how to make a water pollution essay. Water pollution is a result of changes in its quality and such changes can occur due to natural reasons or as a consequence of one or more activities by humans (Goel 1).
Such changes in quality can render water unsuitable for consumption and also for any other domestic or agricultural purposes.