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- Idealized_greenhouse_model abstract "The surface of the Sun radiates light and heat at approximately 5,500 °C. The Earth is much cooler and so radiates heat back away from itself at much longer wavelengths, mostly in the infrared range. The idealized greenhouse model is based on the fact that certain gases in the Earth's atmosphere, including carbon dioxide and water vapour, are transparent to the high-frequency, high-energy solar radiation, but are much more opaque to the lower frequency infrared radiation leaving the surface of the earth. Thus heat is easily let in, but is partially trapped by these gases as it tries to leave. Rather than get hotter and hotter, Kirchhoff's law of thermal radiation says that the gases of the atmosphere also have to re-emit the infrared energy that they absorb, and they do so, also at long infrared wavelengths, both upwards into space as well as downwards back towards the Earth's surface. In the long-term, thermal equilibrium is reached when all the heat energy arriving on the planet is leaving again at the same rate. In this idealized model, the greenhouse gases cause the surface of the planet to be warmer than it would be without them, in order for the required amount of heat energy finally to be radiated out into space from the top of the atmosphere.The greenhouse effect can be illustrated with an idealized planet. This is a common \"textbook model\": the planet will have a constant surface temperature Ts and an atmosphere with constant temperature Ta. For diagrammatic clarity, a gap can be depicted between the atmosphere and the surface. Alternatively, Ts could be interpreted as a temperature representative of the surface and the lower atmosphere, and Ta could be interpreted as the temperature of the upper atmosphere. In order to justify that Ta and Ts remain constant over the planet, strong ocean and atmospheric currents can be imagined to provide plentiful lateral mixing. Furthermore, any daily or seasonal cycles in temperature are assumed to be insignificant.".
- Idealized_greenhouse_model thumbnail IdealizedGreenhouseEmissivity78.png?width=300.
- Idealized_greenhouse_model wikiPageExternalLink ideal-greenhouse.
- Idealized_greenhouse_model wikiPageID "20680975".
- Idealized_greenhouse_model wikiPageLength "11936".
- Idealized_greenhouse_model wikiPageOutDegree "31".
- Idealized_greenhouse_model wikiPageRevisionID "632353130".
- Idealized_greenhouse_model wikiPageWikiLink Albedo.
- Idealized_greenhouse_model wikiPageWikiLink Anti-greenhouse_effect.
- Idealized_greenhouse_model wikiPageWikiLink Carbon_dioxide.
- Idealized_greenhouse_model wikiPageWikiLink Category:Atmospheric_radiation.
- Idealized_greenhouse_model wikiPageWikiLink Climate_change.
- Idealized_greenhouse_model wikiPageWikiLink Earth.
- Idealized_greenhouse_model wikiPageWikiLink Earths_energy_budget.
- Idealized_greenhouse_model wikiPageWikiLink Effective_temperature.
- Idealized_greenhouse_model wikiPageWikiLink Electromagnetic_radiation.
- Idealized_greenhouse_model wikiPageWikiLink General_Circulation_Model.
- Idealized_greenhouse_model wikiPageWikiLink Global_dimming.
- Idealized_greenhouse_model wikiPageWikiLink Global_warming.
- Idealized_greenhouse_model wikiPageWikiLink Greenhouse_effect.
- Idealized_greenhouse_model wikiPageWikiLink Infrared.
- Idealized_greenhouse_model wikiPageWikiLink Intergovernmental_Panel_on_Climate_Change.
- Idealized_greenhouse_model wikiPageWikiLink Kirchhoffs_law_of_thermal_radiation.
- Idealized_greenhouse_model wikiPageWikiLink Radiative_forcing.
- Idealized_greenhouse_model wikiPageWikiLink Solar_constant.
- Idealized_greenhouse_model wikiPageWikiLink Stefan–Boltzmann_constant.
- Idealized_greenhouse_model wikiPageWikiLink Stefan–Boltzmann_law.
- Idealized_greenhouse_model wikiPageWikiLink Sun.
- Idealized_greenhouse_model wikiPageWikiLink Sunlight.
- Idealized_greenhouse_model wikiPageWikiLink Water_vapor.
- Idealized_greenhouse_model wikiPageWikiLink File:IdealizedGreenhouseEmissivity00.png.
- Idealized_greenhouse_model wikiPageWikiLink File:IdealizedGreenhouseEmissivity78.png.
- Idealized_greenhouse_model wikiPageWikiLink File:IdealizedGreenhouseEmissivity82.png.
- Idealized_greenhouse_model wikiPageWikiLinkText "Idealized greenhouse model".
- Idealized_greenhouse_model wikiPageUsesTemplate Template:Cite_book.
- Idealized_greenhouse_model wikiPageUsesTemplate Template:Reflist.
- Idealized_greenhouse_model wikiPageUsesTemplate Template:See_also.
- Idealized_greenhouse_model wikiPageUsesTemplate Template:Wikibooks.
- Idealized_greenhouse_model wikiPageUsesTemplate Template:Wikiversity.
- Idealized_greenhouse_model subject Category:Atmospheric_radiation.
- Idealized_greenhouse_model type Thing.
- Idealized_greenhouse_model comment "The surface of the Sun radiates light and heat at approximately 5,500 °C. The Earth is much cooler and so radiates heat back away from itself at much longer wavelengths, mostly in the infrared range.".
- Idealized_greenhouse_model label "Idealized greenhouse model".
- Idealized_greenhouse_model seeAlso Radiative_forcing.
- Idealized_greenhouse_model sameAs Q1656688.
- Idealized_greenhouse_model sameAs Idealisiertes_Treibhausmodell.
- Idealized_greenhouse_model sameAs m.05206dw.
- Idealized_greenhouse_model sameAs Q1656688.
- Idealized_greenhouse_model wasDerivedFrom Idealized_greenhouse_model?oldid=632353130.
- Idealized_greenhouse_model depiction IdealizedGreenhouseEmissivity78.png.
- Idealized_greenhouse_model isPrimaryTopicOf Idealized_greenhouse_model.