ground air

A comparative study on seasonal variation of ~7Be concentrations in surface air between Mt. Waliguan and Mt. Guanfeng;

瓦里关山与观风山近地面空气~7Be浓度季节性变化对比

The results show that it was obviously process precipitation and high temperature and advantageous higher-ground level weather situation in ice-cut spring.

在对黑龙江、松花江、嫩江发生的特大冰坝的年份监测中分析表明,春季开江期,有明显的降水和升温过程及有利的高空和地面天气形势,是冰坝的形成和凌汛发生的一个重要原因。