Vertical structure of anthropogenic zonal-mean atmospheric circulation change
نویسندگان
چکیده
منابع مشابه
Vertical structure of anthropogenic zonal-mean atmospheric circulation change
[1] The atmospheric circulation changes predicted by climate models are often described using sea level pressure, which generally shows a strengthening of the mid-latitude westerlies. Recent observed variability is dominated by the Northern Annular Mode (NAM) which is equivalent barotropic, so that wind variations of the same sign are seen at all levels. However, in model predictions of the res...
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[1] Sensitivities of tropospheric winds and stratospheric Brewer‐Dobson Circulation (BDC) to SST warming are explored in an aqua‐planet atmospheric general circulation model. The tropospheric zonal wind change is quite sensitive to the location and sign of the gradient of SST perturbations with respect to the climatological jet. For the experiments with low latitude warming, the Hadley cell is ...
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AlthoughElNi~ no and global warming are both characterized bywarming in the tropical upper troposphere, the latitudinal changes of theHadley cell edge andmidlatitude eddy-driven jet are opposite in sign.Using an idealized dry atmospheric model, the zonal mean circulation changes are investigated with respect to different patterns of tropical warming. Generally speaking, an equatorward shift in ...
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ژورنال
عنوان ژورنال: Geophysical Research Letters
سال: 2008
ISSN: 0094-8276
DOI: 10.1029/2008gl034883