A Complete Collection of 100000 Whys
Fav十万个为什么
黄河为什么会有这么多泥沙？
黄河泥沙含量高，主要是由于其流域内植被破坏严重、土质疏松、以及降雨集中且多暴雨，具体如下：
1、植被破坏严重：黄河流域，特别是中上游地区，历史上长期...，加剧了水土流失。
2、土质疏松：黄河流域的土质多为黄土，这种土质结构疏松，...大量泥沙被冲刷进入黄河。
3、降雨集中且多暴雨：黄河流域的降雨主要集中在夏季，且...泥沙随洪水一同被带入黄河。
总结：黄河泥沙含量高，主要是由于其流域内植被破坏严重、土质疏松、以及降雨集中且多暴雨。
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