Temperaturberechnung der Venusatmosphäre bis 80 km Höhe Aufgrund Solarer und Thermischer Strahlungsströme Sowie Konvektiver und Turbulenter Wärmetransporte:
Gespeichert in:
1. Verfasser: | |
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Format: | Elektronisch E-Book |
Sprache: | German |
Veröffentlicht: |
Berlin, Heidelberg
Springer Berlin Heidelberg
1972
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Schriftenreihe: | Mitteilungen aus dem Max-Planck-Institut für Aeronomie
46 |
Schlagworte: | |
Online-Zugang: | Volltext |
Beschreibung: | Vertical temperature profiles of the Venus atmosphere up to 80 km height were calculated in a time dependent model. A steady state of the atmospheric profiles was reached by numerical intergration from an arbitrary initial distribution of temperature by assuming some atmospheric parameters as surface pressure, planetary albedo etc. The time-rate-of-change of temperature was determined by the vertical divergence of the following fluxes: solar insolation, net infrared radiation of the atmosphere and the ground surface, and sensible heat. The radiation calculation was based on the absorption bands of carbon dioxide and water vapor from the near to the far infrared region of the spectrum. Absorption by clouds was taken into account in parameterized form. Atmospheric profiles were calculated as a function of water vapor content, height and absorptivity of the cloud layer, surface pressure, eddy diffusion coefficient, planetaryalbedo, latitude, and time of day. It appeared, that the lower layers of a pure carbon dioxide atmosphere are convective with an adiabatic lapse rate of temperature. The lapse rate of a carbon dioxide atmosphere with some additional water va por and thus strong absorption of solar energy is practically adiabatic due to the downward transport of sensible heat. Comparison with direct measurements indicates that the atmosphere below the c10ud level 4 is likely to contain water vapor. A mixing ratio of 10- is sufficient to explain the observed temperature profile |
Beschreibung: | 1 Online-Ressource (58 S.) |
ISBN: | 9783642653605 9783540057765 |
DOI: | 10.1007/978-3-642-65360-5 |
Internformat
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Datensatz im Suchindex
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author | Roeckner, Erich |
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doi_str_mv | 10.1007/978-3-642-65360-5 |
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geographic_facet | Venus Planet |
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illustrated | Not Illustrated |
indexdate | 2024-07-10T01:21:55Z |
institution | BVB |
isbn | 9783642653605 9783540057765 |
language | German |
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spelling | Roeckner, Erich Verfasser aut Temperaturberechnung der Venusatmosphäre bis 80 km Höhe Aufgrund Solarer und Thermischer Strahlungsströme Sowie Konvektiver und Turbulenter Wärmetransporte von Erich Roeckner Berlin, Heidelberg Springer Berlin Heidelberg 1972 1 Online-Ressource (58 S.) txt rdacontent c rdamedia cr rdacarrier Mitteilungen aus dem Max-Planck-Institut für Aeronomie 46 Vertical temperature profiles of the Venus atmosphere up to 80 km height were calculated in a time dependent model. A steady state of the atmospheric profiles was reached by numerical intergration from an arbitrary initial distribution of temperature by assuming some atmospheric parameters as surface pressure, planetary albedo etc. The time-rate-of-change of temperature was determined by the vertical divergence of the following fluxes: solar insolation, net infrared radiation of the atmosphere and the ground surface, and sensible heat. The radiation calculation was based on the absorption bands of carbon dioxide and water vapor from the near to the far infrared region of the spectrum. Absorption by clouds was taken into account in parameterized form. Atmospheric profiles were calculated as a function of water vapor content, height and absorptivity of the cloud layer, surface pressure, eddy diffusion coefficient, planetaryalbedo, latitude, and time of day. It appeared, that the lower layers of a pure carbon dioxide atmosphere are convective with an adiabatic lapse rate of temperature. The lapse rate of a carbon dioxide atmosphere with some additional water va por and thus strong absorption of solar energy is practically adiabatic due to the downward transport of sensible heat. Comparison with direct measurements indicates that the atmosphere below the c10ud level 4 is likely to contain water vapor. A mixing ratio of 10- is sufficient to explain the observed temperature profile Physics Physics, general Temperatur (DE-588)4059427-0 gnd rswk-swf Atmosphäre (DE-588)4003397-1 gnd rswk-swf Venus Planet (DE-588)4062527-8 gnd rswk-swf 1\p (DE-588)4113937-9 Hochschulschrift gnd-content Venus Planet (DE-588)4062527-8 g Atmosphäre (DE-588)4003397-1 s Temperatur (DE-588)4059427-0 s 2\p DE-604 https://doi.org/10.1007/978-3-642-65360-5 Verlag Volltext 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 2\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk |
spellingShingle | Roeckner, Erich Temperaturberechnung der Venusatmosphäre bis 80 km Höhe Aufgrund Solarer und Thermischer Strahlungsströme Sowie Konvektiver und Turbulenter Wärmetransporte Physics Physics, general Temperatur (DE-588)4059427-0 gnd Atmosphäre (DE-588)4003397-1 gnd |
subject_GND | (DE-588)4059427-0 (DE-588)4003397-1 (DE-588)4062527-8 (DE-588)4113937-9 |
title | Temperaturberechnung der Venusatmosphäre bis 80 km Höhe Aufgrund Solarer und Thermischer Strahlungsströme Sowie Konvektiver und Turbulenter Wärmetransporte |
title_auth | Temperaturberechnung der Venusatmosphäre bis 80 km Höhe Aufgrund Solarer und Thermischer Strahlungsströme Sowie Konvektiver und Turbulenter Wärmetransporte |
title_exact_search | Temperaturberechnung der Venusatmosphäre bis 80 km Höhe Aufgrund Solarer und Thermischer Strahlungsströme Sowie Konvektiver und Turbulenter Wärmetransporte |
title_full | Temperaturberechnung der Venusatmosphäre bis 80 km Höhe Aufgrund Solarer und Thermischer Strahlungsströme Sowie Konvektiver und Turbulenter Wärmetransporte von Erich Roeckner |
title_fullStr | Temperaturberechnung der Venusatmosphäre bis 80 km Höhe Aufgrund Solarer und Thermischer Strahlungsströme Sowie Konvektiver und Turbulenter Wärmetransporte von Erich Roeckner |
title_full_unstemmed | Temperaturberechnung der Venusatmosphäre bis 80 km Höhe Aufgrund Solarer und Thermischer Strahlungsströme Sowie Konvektiver und Turbulenter Wärmetransporte von Erich Roeckner |
title_short | Temperaturberechnung der Venusatmosphäre bis 80 km Höhe Aufgrund Solarer und Thermischer Strahlungsströme Sowie Konvektiver und Turbulenter Wärmetransporte |
title_sort | temperaturberechnung der venusatmosphare bis 80 km hohe aufgrund solarer und thermischer strahlungsstrome sowie konvektiver und turbulenter warmetransporte |
topic | Physics Physics, general Temperatur (DE-588)4059427-0 gnd Atmosphäre (DE-588)4003397-1 gnd |
topic_facet | Physics Physics, general Temperatur Atmosphäre Venus Planet Hochschulschrift |
url | https://doi.org/10.1007/978-3-642-65360-5 |
work_keys_str_mv | AT roecknererich temperaturberechnungdervenusatmospharebis80kmhoheaufgrundsolarerundthermischerstrahlungsstromesowiekonvektiverundturbulenterwarmetransporte |