RESPONSE OF AN INTERACTIVE 2-DIMENSIONAL MODEL TO OZONE CHANGES - AN ESTIMATE OF THE RADIATIVE DYNAMIC FEEDBACK EFFECT

被引:6
作者
SCHNEIDER, HR
KO, MKW
机构
[1] Atmospheric & Environmental Research, Incorporated, 840 Memorial Drive, Cambridge
关键词
D O I
10.1029/JD095iD05p05657
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
A simplified ozone chemistry model was used. The radiative dynamical feedback in the model leads to a recovery of about one third of the calculated ozone decrease at high altitudes, and to about one sixth of the predicted losses in the column densities at high latitudes when compared with predictions by a model with fixed temperature and circulation. A simple interpretation of the adjustment of dynamical quantities is obtained by comparing the global mean and the differential solar heating rates derived from perturbed and unperturbed ozone distributions. The feedback effect can be qualitatively described as 1) an adjustment of the global mean temperature in response to global mean solar heating changes and 2) an approximately linear response in all other dynamical variables, proportional to the change in the differential heating. -from Authors
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页码:5657 / 5668
页数:12
相关论文
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