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Encyclopedia > Thermal pollution
Pollution
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Air pollution
Acid rainAir Quality IndexAtmospheric dispersion modelingChlorofluorocarbonGlobal dimmingGlobal warming • Haze • Indoor air qualityOzone depletionParticulateSmog
Water pollution
EutrophicationHypoxiaMarine pollutionOcean acidificationOil spillShip pollutionSurface runoffThermal pollutionWastewaterWaterborne diseasesWater qualityWater stagnation
Soil contamination
Bioremediation • Herbicide • PesticideSoil Guideline Values (SGVs)
Radioactive contamination
Actinides in the environmentEnvironmental radioactivityFission productNuclear falloutPlutonium in the environmentRadiation poisoningradium in the environmentUranium in the environment
Other types of pollution
Invasive speciesLight pollutionNoise pollutionRadio spectrum pollutionVisual pollution
Inter-government treaties
Montreal ProtocolNitrogen Oxide ProtocolKyoto Protocol • CLRTAP
Major organizations
DEFRAEPAGlobal Atmosphere WatchGreenpeaceNational Ambient Air Quality Standards
Related topics
Natural environment

Thermal pollution is a temperature change in natural water bodies caused by human influence. The main cause of thermal pollution is the use of water as a coolant, especially in power plants. Water used as a coolant is returned to the natural environment at a higher temperature. Increases in water temperature can impact on aquatic organisms by (a) decreasing oxygen supply, (b) killing fish juveniles which are vulnerable to small increases in temperature, and (c) affecting ecosystem composition. It has been suggested that Pollutant be merged into this article or section. ... Air pollution is a chemical, particulate matter, or biological agent that modifies the natural characteristics of the atmosphere. ... The term acid rain or more accurately acid precipitation is commonly used to mean the deposition of acidic components in rain, snow, dew, or dry particles. ... An air quality measurement station in Edinburgh, Scotland The Air Quality Index (AQI) is a standardized indicator of the air quality in a given location. ... Atmospheric dispersion modeling is performed with computer programs that use mathematical equations and algorithms to simulate how pollutants in the ambient atmosphere disperse in the atmosphere. ... Tetrafluoroethane (a haloalkane) is a clear liquid which boils well below room temperature (as seen here) and can be extracted from common canned air canisters by simply inverting them during use. ... Global dimming is the gradual reduction in the amount of global direct irradiance at the Earths surface that was observed for several decades after the start of systematic measurements in 1950s. ... Global mean surface temperatures 1850 to 2006 Mean surface temperature anomalies during the period 1995 to 2004 with respect to the average temperatures from 1940 to 1980 Global warming is the observed increase in the average temperature of the Earths atmosphere and oceans in recent decades and the projected... Haze is an atmospheric phenomenon where dust, smoke and other pollutant particles obscure the normal clarity of the sky. ... Indoor Air Quality (IAQ) deals with the content of interior air that could affect health and comfort of building occupants. ... Global monthly average total ozone amount Ozone depletion describes two distinct, but related observations: a slow, steady decline of about 4 percent per decade in the total amount of ozone in Earths stratosphere since around 1980; and a much larger, but seasonal, decrease in stratospheric ozone over Earths... Particulates, alternatively referred to as particulate matter (PM), aerosols or fine particles, are tiny particles of solid or liquid suspended in a gas. ... It has been suggested that Haze be merged into this article or section. ... Raw sewage and industrial waste flows into the U.S. from Mexico as the New River passes from Mexicali, Baja California to Calexico, California Water pollution is a large set of adverse effects upon water bodies such as lakes, rivers, oceans, and groundwater caused by human activities. ... Eutrophication refers to an increase in the primary productivity of any ecosystem. ... It has been suggested that Anoxic sea water, Oxygen minimum zone, and Hypoxic zone be merged into this article or section. ... Pumping of highly toxic (dark black) sludge, much seeps back into the ocean in the form of particles. ... Change in sea surface pH caused by anthropogenic CO2 between the 1700s and the 1990s Ocean acidification is the name given to the ongoing decrease in the pH of the Earths oceans, caused by their uptake of anthropogenic carbon dioxide from the atmosphere. ... An oil spill is the unintentional release of liquid petroleum hydrocarbon into the environment as a result of human activity. ... Ship pollution is the pollution of water by shipping! It is a problem that has been accelerating as trade has become increasingly globalized. ... Runoff flowing into a stormwater drain Surface runoff is water, from rain, snowmelt, or other sources, that flows over the land surface, and is a major component of the water cycle[1][2]. Runoff that occurs on surfaces before reaching a channel is also called overland flow. ... Wastewater is any water that has been adversely affected in quality by anthropogenic influence. ... Waterborne diseases are caused by pathogenic microorganisms which are directly transmitted when contaminated drinking water is consumed. ... Water quality is the physical, chemical and biological characteristics of water, characterized through the methods of hydrometry. ... Standing water redirects here. ... Excavation of leaking underground storage tank causing soil contamination Soil contamination is the presence of man-made chemicals or other alteration of the natural soil environment. ... Bioremediation can be defined as any process that uses microorganisms, fungi, green plants or their enzymes to return the environment altered by contaminants to its original condition. ... A herbicide is a pesticide used to kill unwanted plants. ... A cropduster spreading pesticide. ... The introduction to this article provides insufficient context for those unfamiliar with the subject matter. ... The radiation warning symbol (trefoil). ... This article about actinides in the environment is about the sources, environmental behaviour and effects of actinides in the environment. ... The environmental radioactivity page is devoted to the subject of radioactive materials in man and his environment. ... Fission products are the residues of fission processes. ... Fallout is the residual radiation hazard from a nuclear explosion, so named because it falls out of the atmosphere into which it is spread during the explosion. ... To meet Wikipedias quality standards, this article may require cleanup. ... Radiation poisoning, also called radiation sickness, is a form of damage to organ tissue due to excessive exposure to ionizing radiation. ... // Radium Radium in quack medicine See the story of Eben Byers for details of one very nasty case which involved a product called Radithor this contained 1 mCi of 226Ra and 1 mCi of 228Ra per bottle. ... Uranium in the environment, this page is devoted to the science of uranium in the environment and in animals (including humans). ... Lantana invasion of abandoned citrus plantation; Moshav Sdey Hemed, Israel The term invasive species refers to a subset of introduced species or non-indigenous species that are rapidly expanding outside of their native range. ... This time exposure photo of New York City shows sky glow, one form of light pollution. ... Noise pollution (or environmental noise in technical venues) is displeasing human or machine created sound that disrupts the environment. ... Radio spectrum pollution is the straying of waves in the radio and electromagnetic spectrums outside their allocations that cause problems for some activities. ... Visual pollution is the term given to unattractive visual elements of a vista, a landscape, or any other thing that a person might want to look at. ... The largest Antarctic ozone hole recorded as of September 2000 For other similarly-named agreements, see Montreal Protocol (disambiguation). ... Protocol to the 1979 Convention on Long-Range Transboundary Air Pollution Concerning the Control of Emissions of Nitrogen Oxides or Their Transboundary Fluxes, opened for signature on 31 October 1988 and entered into force on 14 February 1991, was to provide for the control or reduction of nitrogen oxides and... Kyoto Protocol Opened for signature December 11, 1997 in Kyoto, Japan Entered into force February 16, 2005. ... note - abbreviated as Air Pollution opened for signature - 13 November 1979 entered into force - 16 March 1983 objective - to protect the human environment against air pollution and to gradually reduce and prevent air pollution, including long-range transboundary air pollution parties - (48) Armenia, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria... This article is being considered for deletion in accordance with Wikipedias deletion policy. ... The Department for Environment, Food and Rural Affairs (Defra) is the United Kingdom government department responsible for environmental protection, food production and standards, agriculture, fisheries and rural communities in England. ... EPA redirects here. ... Global Atmosphere Watchs logo The Global Atmosphere Watch (GAW) is a worldwide system established by the World Meteorological Organization – a United Nations agency – to monitor trends in the Earths atmosphere. ... Greenpeace protest against Esso / Exxon Mobil. ... The National Ambient Air Quality Standards (NAAQS) are standards established by the United States Environmental Protection Agency that apply for outdoor air throughout the country. ... This article does not cite any references or sources. ... This article includes a list of works cited or a list of external links, but its sources remain unclear because it lacks in-text citations. ... Example of a thermal column between the ground and a cumulus This article is about the atmospheric phenomenon. ... It has been suggested that Pollutant be merged into this article or section. ... A coolant, or heat transfer fluid, is a fluid which flows through a device in order to prevent its overheating, transferring the heat produced by the device to other devices that utilize or dissipate it. ... A power station (also power plant) is a facility for the generation of electric power. ... An estuary mouth and coastal waters, part of an aquatic ecosystem. ... General Name, Symbol, Number oxygen, O, 8 Chemical series nonmetals, chalcogens Group, Period, Block 16, 2, p Appearance colorless (gas) very pale blue (liquid) Standard atomic weight 15. ... A coral reef near the Hawaiian islands is an example of a complex marine ecosystem. ...


Ecological effects

Thermal pollution typically decreases the level of dissolved oxygen in the water. The decrease in levels of dissolved oxygen can harm aquatic animals such as fish, amphibians and copepods. Thermal pollution may also increase the metabolic rate of aquatic animals, as enzyme activity, resulting in these organisms consuming more food in a shorter time than if their environment were not changed. An increased metabolic rate may result in food source shortages, causing a sharp decrease in a population. Changes in the environment may also result in a migration of organisms to another, more suitable environment, and to in-migration of organisms that normally only live in warmer waters elsewhere. This leads to competition for fewer resources; the more adapted organisms moving in may have an advantage over organisms that are not used to the warmer temperatures. As a result one has the problem of compromising food chains of the old and new environments. Biodiversity can be decreased as a result. Oxygen saturation or dissolved oxygen (DO) is a measure of amount of oxygen dissolved in a given medium. ... For other uses, see Amphibian (disambiguation). ... Orders Calanoida Cyclopoida Gelyelloida Harpacticoida Misophrioida Monstrilloida Mormonilloida Platycopioida Poecilostomatoida Siphonostomatoida Copepods are small, aquatic animals living in the sea and nearly every freshwater habitat, a form of plankton, specifically zooplankton, some copepods are parasitic. ... Santorio Santorio (1561-1636) in his steelyard balance, from Ars de statica medecina, first published 1614 Metabolism (from μεταβολισμος(metavallo), the Greek word for change), in the most general sense, is the ingestion and breakdown of complex compounds, coupled... Ribbon diagram of the enzyme TIM, surrounded by the space-filling model of the protein. ... mtDNA-based chart of large human migrations. ... This article or section does not cite any references or sources. ... Rainforests are among the most biodiverse ecosystems on earth Biodiversity is the variation of taxonomic life forms within a given ecosystem, biome or for the entire Earth. ...

Fish kill in receiving waters
Fish kill in receiving waters

It is known that temperature changes of even one to two degrees Celsius can cause significant changes in organism metabolism and other adverse cellular biology effects. Principal adverse changes can include rendering cell walls less permeable to necessary osmosis, coagulation of cell proteins, and alteration of enzyme metabolism. These cellular level effects can adversely affect mortality and reproduction. Image File history File links Thermale. ... Image File history File links Thermale. ... Celsius is, or relates to, the Celsius temperature scale (previously known as the centigrade scale). ... Cell biology (cellular biology) is an academic discipline which studies the physiological properties of cells, as well as their behaviours, interactions, and environment; this is done both on a microscopic and molecular level. ... Osmosis is the net movement of water across a partially permeable membrane from a region of high solvent potential to an area of low solvent potential, up a solute concentration gradient. ... A representation of the 3D structure of myoglobin, showing coloured alpha helices. ... Ribbon diagram of the enzyme TIM, surrounded by the space-filling model of the protein. ... A few of the metabolic pathways in a cell. ... For other uses, see Reproduction (disambiguation) Reproduction is the biological process by which new individual organisms are produced. ...


Primary producers are affected by thermal pollution because higher water temperature increases plant growth rates, resulting in a shorter lifespan and species overpopulation. This can cause an algae bloom which reduces the oxygen levels in the water. The higher plant density leads to an increased plant respiration rate because the reduced light intensity decreases photosynthesis. This is similar to the eutrophication that occurs when watercourses are polluted with leached agricultural inorganic fertilizers. The term primary producer (or autotroph) describes a trophic level in an ecosystem that includes all organisms which make their own food. ... An algal bloom is a relatively rapid increase in the population of (usually) phytoplankton algae in an aquatic system. ... The respiration rate is a parameter which is used in ecological and agronomical modelling. ... This article needs additional references or sources for verification. ... Eutrophication refers to an increase in the primary productivity of any ecosystem. ... Leaching is the process of extracting a substance from a solid by dissolving it in a liquid. ...


A large increase in temperature can lead to the denaturing of life-supporting enzymes by breaking down hydrogen- and disulphide bonds within the quaternary structure of the enzymes. Decreased enzyme activity in aquatic organisms can cause problems such as the inability to break down lipids, which leads to malnutrition. An example of a quadruple hydrogen bond between a self-assembled dimer complex reported by Meijer and coworkers. ... A disulfide bond (SS-bond), also called a disulfide bridge, is a strong covalent bond between two sulfhydryl groups. ... Figure 1: Basic lipid structure. ... Percentage of population affected by malnutrition by country, according to United Nations statistics. ...


In limited cases, thermal pollution has little deleterious effect and may even lead to improved function of the receiving aquatic ecosystem. This phenomenon is seen especially in seasonal waters and is known as thermal enrichment. An extreme case is derived from the aggregational habits of the manatee, which often uses power plant discharge sites during winter. Projections suggest that manatee populations would decline upon the removal of these discharges. Species Trichechus inunguis Trichechus manatus Trichechus senegalensis For the record label, see Manatee Records. ...


The added heat lowers the dissolved oxygen content and may cause serious problems for the plants and animals living there. In extreme cases, major fish kills can result. Thermal pollution may also increase the metabolic rate of aquatic animals, as enzyme activity, meaning that these organisms will consume more food in a shorter time than if their environment was not changed.


Computer modeling of thermal pollution

In the 1970s there was considerable activity from scientists in quantifying effects of thermal pollution. Hydrologists, physicists, meteorologists, and computer scientists combined their skills in one of the first interdisciplinary pursuits of the modern environmental science era. First came the application of gaussian function dispersal modeling that forecasts how a thermal plume is formed from a thermal point source and predicts the distribution of aquatic temperatures. The ultimate model was developed by the U.S. Environmental Protection Agency introducing the statistical variations in meteorology to predict the resulting plume from a thermal outfall.hi. Hydrology is the study of the occurrence, distribution, and movement of water on, in, and above the earth. ... Not to be confused with physician, a person who practices medicine. ... Meteorology is the scientific study of the atmosphere that focuses on weather processes and forecasting. ... Computer science (informally: CS or compsci) is, in its most general sense, the study of computation and information processing, both in hardware and in software. ... Interdisciplinary work is that which integrates concepts across different disciplines. ... Environmental science is the study of the interactions among the physical, chemical and biological components of the environment; with a focus on pollution and degradation of the environment related to human activities; and the impact on biodiversity and sustainability from local and global development. ... Gaussian curves parametrised by expected value and variance (see normal distribution) A Gaussian function (named after Carl Friedrich Gauss) is a function of the form: for some real constants a > 0, b, and c. ... In hydrodynamics, a plume is a column of one fluid moving through another. ... It has been suggested that this article or section be merged with Point source (sound), Point source (light), Point source (heat), Point source (radio) and Point source (fluid) (Discuss) A point source of pollution is a single identifiable localized source of air, water, thermal, noise or light pollution. ... EPA redirects here. ...


References


  Results from FactBites:
 
Pollution - Crystalinks (2117 words)
Pollution is the release of chemical, physical, biological or radioactive contaminants to the environment.
Pollutants are known to be causative for many diseases, including cancer, lupus, immune diseases, allergies, and asthma.
Such simple treatment for environmental pollution on a wider scale might have had greater merit in earlier centuries when physical survival was often the highest imperative, human population and densities were lower, technologies were simpler and their byproducts more benign.
Pollution - Wikipedia, the free encyclopedia (2707 words)
Pollutants are known to be causative for many diseases, including cancer, lupus, immune diseases, allergies, and asthma.
At certain times and places air pollution levels were recognizable as health issues, and water pollution in population centers was a serious medium for disease transmission from the untreated human waste.
Carbon dioxide, while vital for the photosynthesis of plant life, is sometimes referred to as pollution, on the basis that raised levels of the gas in the atmosphere have and continue to adversely affect the Earth's climate.
  More results at FactBites »

 
 

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