为什么在东南信风带的影响下降水少? 怎么判断?是不是北半球信风带会降水多,而南半球信风带降水少?

2025-03-15 14:35:02
推荐回答(3个)
回答1:

风带降水多少主要取决于风吹来的位置。
这个有两个影响因素:一是风从海洋吹向陆地, 二是风从低纬吹向高纬。这两种风是湿润的。条件满足会产生降水。就像我们的夏季风。
在信风带上,只要满足上面条件之一降水量就会多,如果相反,降水就会少。与南北半球无关。比如马达加斯加岛东岸就是受东南信风影响降水多。

回答2:

热带草原气候受赤道低气压带和信风带的交替控制,如果北半球是东北信风带,南半球是东南信风带。
赤道低气压带气温高,气流上升,水汽遇冷凝结形成降水,所以赤道低压控制下高温多雨。
信风从高纬度流向低纬度,气温升高,不易形成水汽凝结,降水少,干燥。

回答3:

要结合地形看,看看靠不靠海之类的

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