The characteristics of airflow in mid-lower troposphere during early summer between the Plateau monsoon active year ( 1967 ) and weak year ( 1969 ) are contrasted by using the upper wind data of Gan-Zi over eas-tern Qing-Zang Plateau.

• 本文利用高原东部甘孜的高空风资料,对比了初夏季节高原季风强年(1967)和弱年(1969)对流层中下层气流的特征,分析了高原季风层和行星风层里波动的特点及其与四川盆地夏旱区降水的关系。