Write An Essay On Thermal Pollution
Thermal Pollution
What is Thermal Pollution?
Thermal pollution is a real and persistent problem in our modern society. Thermal pollution is defined as sudden increase or decrease in temperature of a natural body of water which may be ocean, lake, river or pond by human influence. This normally occurs when a plant or facility takes in water from a natural resource and puts it back with an altered temperature. Usually, these facilities use it as a cooling method for their machinery or to help better produce their products.
This kind of environmental pollution can cause aquatic life to suffer or die due to the increased temperature, can cause discomfort to communities dealing with higher temperatures, and will affect plant-life in and around the area.
The Extent of thermal pollution
Given the demand for cooling in power generation and other industrial processes, the extent of thermal pollution worldwide is considerable, particularly in the industrialized countries of Europe, North America, Asia and Australia. For example in the United Kingdom, it is estimated that one half of all river flow is used for cooling purposes and hence leads to some elevated discharge of higher temperature water. As early as the 1980s in the
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amphibians and copepods, it also raises the metabolic rate of aquatic organisms; for example, increasing enzyme activity occurs, that causes plants and animals to take in greater quantities of nutrients and either carbon dioxide or oxygen. These metabolic changes can alter the balance of species composition, and may also lead to faunal migration, as species attempt to adapt to changed thermal conditions. As a result, original species may migrate away, and alien species may enter a local aquatic system. In some cases significant loss of biodiversity can arise, total bio-productivity can increase at the expense of species
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