非洲和南美洲的气候类型有何异同?原因是是什么

非洲和南美洲的气候类型有何异同?原因是是什么
2025-01-16 00:28:40
推荐回答(3个)
回答1:

主要原因是赤道横贯非洲中部,南北回归线从大陆北部和南部穿过,大部地区一年中太阳有两次直射,北回归线穿过的北部地区又特别宽,扩大了回归高压带控制的面积;地面又以高原为主,地表起伏不大,便于气流运行;东北信风又来自亚洲内陆,故使非洲气候以炎热干燥气候为主,而且气候类型带状明显,以赤道为中心南北对称分布突出.南美洲赤道穿过大陆最宽的北部,故虽大部属热带,但多雨区面积广;南回归线穿过大陆南部,但陆地面积小,故使南美气候以暖湿气候为主;气候类型只有在北部赤道附近有一定对称;而作为气候上主要屏障作用的安第斯山紧靠西部太平洋沿岸,所以太平洋沿岸很窄的地带,气候类型呈南北走向排列的特点.

回答2:

相同的是都以热带气候为主,不同点很多,最突出的是南美洲的气候湿热,非洲干旱。原因有两个:一是纬度位置(相对于赤道)有所不同,赤道从非洲中部穿过,导致气候带对称分布,两端处在高气压控制下,因此有大面积的特干旱区,热带雨林气候区的范围又受东非高原的局限,面积相对狭小;而南美洲则是北部的大头处在赤道带,西部的高山局限了高气压的影响范围,所以,它在总体上以热带雨林气候为主,沙漠草原气候面积不大。

回答3:

非洲和南美洲都是热带气候,但非洲以赤道为对称轴呈南北对称分布,南美洲的亚马孙平原是热带雨林气候,气候较湿热

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