费雷尔环流
- 网络ferrel cell;Ferrell cell;Ferrel Circulation
费雷尔环流-
与冬、夏季北极涛动纬向对称型相对应的平均经圈环流异常均表现为增强的费雷尔环流和哈得来环流，这种形势有利于北极涛动形成正反馈机制，使之得以长期维持。
Enhanced Ferrel cell and Hadley cell manifest themselves in mean meridional circulation anomaly in consistent with AO symmetric mode both in wintertime and summertime , which is in favor of the positive feedback of AO and thus the maintenance of AO mode . ( 2 ) C shape ;