pressure anomaly meaning in Chinese

气压距平
压力递减差距
压力异常

Huang r x , and x . jin , 2002 : sea surface elevation and bottom pressure anomalies due to thermohaline forcing , part i : isolated perturbations . j phys oceanogr . , 32 , 2131 - 2150
张学洪，李薇，金向泽，黄瑞新， 2002 ：压力坐标海洋环流模式的发展和应用前景，自然科学进展（已付印）
In addition , the ao index released by american climate prediction center ( cpc aoi ) fails to reflect the summer ao mode . in this paper , the time series of the leading principal component of the summertime ( june - september ) surface level pressure anomaly field over the domain poleward of 20 n is defined as the summertime ao index
此外，美国气候预测中心发布的全年北极涛动月指数不能表现夏季北极涛动型，本文将北半球热带外地区( 20 n以北)夏季( 6 - 9月)海平面气压场eof主模态的时间序列定义为夏季北极涛动指数。