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为什么冬天雾霾很重
更新时间: 2020-11-05 00:00:00  

冬天雾霾很重主要是因为逆温现象导致的,同时还有冬季采暖污染物排放多的原因。

冬季由于地面夜间的辐射降温明显,大气低空容易出现逆温层,空气的水平、垂直方向交换流通能力变弱,空气中排放的污染物被限制在浅层大气中,并逐渐集聚成霾,导致空气污染。

关键词: 为什么 冬天

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