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Titel: The feedback of midlatitude waves onto the Hadley cell in a simple general circulation model
Autor(en): Becker, E.Schmitz, G.Geprägs, R.
Verlagsversion: https://doi.org/10.3402/tellusa.v49i2.14464
URI: https://doi.org/10.34657/1307
https://oa.tib.eu/renate/handle/123456789/923
Erscheinungsjahr: 1996
Publiziert in: Tellus A: Dynamic Meteorology and Oceanography, Volume 49, Issue 2, Page 182-199
Verlag: Milton Park : Taylor & Francis
Abstract: We present self-consistent comparisons of axissymmetric and 3-dimensional simulations of the tropospheric circulation under idealized physical conditions. These reveal a feedback of transient eddies onto the Hadley circulation which, first, strongly depends on equatorial heating and, second, is in case of realistic heating quite different from prescribed eddy forcing. A quantitative estimation for the eddy-induced mixing of vorticity into the poleward flow of the Hadley cell is given. The proposed relation is in accordance with observations. It is derived from the computational result that eddy momentum flux convergence is of the same order as the equatorward flux of relative vorticity generated by the Hadley circulation. Evaluation of the local budgets of sensible heat gives rise to a clear picture of how the poleward heat transports due to Hadley circulation and transient eddies interlock. This mechanism is found to be essential for an interpretation of the eddy feedback.
Schlagwörter: atmospheric circulation; GCM; Hadley cell; troposphere; zonal wind
Publikationstyp: article; Text
Publikationsstatus: publishedVersion
DDC: 550
Lizenz: CC BY 4.0 Unported
Link zur Lizenz: https://creativecommons.org/licenses/by/4.0/
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Becker, E., G. Schmitz and R. Geprägs, 1996. The feedback of midlatitude waves onto the Hadley cell in a simple general circulation model. 1996. Milton Park : Taylor & Francis
Becker, E., Schmitz, G. and Geprägs, R. (1996) “The feedback of midlatitude waves onto the Hadley cell in a simple general circulation model.” Milton Park : Taylor & Francis. doi: https://doi.org/10.3402/tellusa.v49i2.14464.
Becker E, Schmitz G, Geprägs R. The feedback of midlatitude waves onto the Hadley cell in a simple general circulation model. Milton Park : Taylor & Francis; 1996.
Becker, E., Schmitz, G., & Geprägs, R. (1996). The feedback of midlatitude waves onto the Hadley cell in a simple general circulation model (Version publishedVersion). Version publishedVersion. Milton Park : Taylor & Francis. https://doi.org/https://doi.org/10.3402/tellusa.v49i2.14464
Becker E, Schmitz G, Geprägs R. The feedback of midlatitude waves onto the Hadley cell in a simple general circulation model. Published online 1996. doi:https://doi.org/10.3402/tellusa.v49i2.14464


Diese Publikation wurde unter der folgenden Lizenz veröffentlicht: Creative-Commons-Lizenz Creative Commons