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高中地理等高线图怎么看
更新时间: 2020-10-04 00:00:00  

山顶:等高线闭合,且数值从中心向四周逐渐降低。盆地或洼地:等高线闭合,且数值从中心向四周逐渐升高。如果没有数值注记,可根据示坡线来判断:(示坡线为垂直于等高线的短线) 。山脊:等高线凸出部分指向海拔较低处。等高线从高往低突,就是山脊。山谷:等高线凸出部分指向海拔较高处。等高线从低往高突,就是山谷。鞍部:正对的两山脊或山谷等高线之间的空白部分。缓坡与陡坡及陡崖:等高线重合处为悬崖。等高线越密集处,地形越陡峭;等高线越稀疏处,坡度越舒缓。

关键词: 高中 地理 等高线 怎么

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