有关副热带高气压带的问题

2025-04-01 19:54:56
推荐回答(3个)
回答1:

冷高压,热低压的结论,是基于热力因素形成的气压中心而言的。即成因与热力环流一样
而副高和副极地低压带是热高压和冷低压,成因是动力因素,不是一个概念。副高气流下沉,是堆积被迫的。副极地低压带气流上升,是锋面造成的。是动力因素。

回答2:

未必“高气压是冷,低气压是热”。
副热带高气压带炎热是因为其纬度低,所以气温高。
下沉气流是因为受地转偏向力影响,来自赤道南(北)风在到达30度附近时偏转为西(东)风,在这里不断下沉。

回答3:

正因为是下沉气流,所以水汽都下沉到地面了,不是说水汽上升低温凝结成水滴的么,所以下沉时就不易凝结成水汽了,所以下雨天少,晴天比较多,太阳辐射多,同时水汽又少,就炎热干燥了。
高气压和低气压是同一水平面而言的,副高是指的大气环流,不是同一回事。而且是因为是下沉气流所以才热,原因同上。
有点混乱不知道懂没~~~~~~~~呵呵,多看看课本,理解概念吧,这里挺抽象的。

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