河漫滩
2014-03-06 00:00:00
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<span style="line-height:2;font-family:SimSun;font-size:14px;"> 指位于河床主槽一侧或两侧,在洪水时被淹没,中水时出</span><span style="line-height:2;font-family:SimSun;font-size:14px;">露的滩地。它由河流的横向迁移和洪水漫堤的沉积作用形成。</span><span style="line-height:2;font-family:SimSun;font-size:14px;">平原区的河漫滩比较发育。由于横向环流作用,V字形河谷展</span><span style="line-height:2;font-family:SimSun;font-size:14px;">宽,冲积物组成浅滩,浅滩加宽,枯水期大片露出水面成为雏</span><span style="line-height:2;font-family:SimSun;font-size:14px;">形河漫滩。之后洪水携带的物质不断沉积,形成河漫滩。</span>
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<img width="600" height="419" alt="" src="/public/html_images/20140306/20140306223854_156.png" />
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<span style="line-height:2;font-family:SimSun;font-size:14px;">河漫滩(伊敏河)<span id="__kindeditor_bookmark_end_58__"></span></span>
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