谷、谷地,由两侧正地形夹峙的狭长负地形,常有坡面径流、河流、湖泊发育,陡峻的谷地可能有泥石流,在等高线地形图上表现为一组向高处突出的等高线。
世界上最长的谷地是东非大裂谷。
地形
Tal | Valley | 谷 | Vallei | Vale (geografia)
This article is licensed under the GNU Free Documentation License. It uses material from the "谷地".
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