
1. 武汉大学水资源工程与调度全国重点实验室
2. 黄河勘测规划设计研究院有限公司
Published:2025
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李达, 杨中华, 张松, et al. 长江沙洲水道洲滩植被阻水影响分析[J]. 2025, (2): 67-71+48.
李达, 杨中华, 张松, et al. 长江沙洲水道洲滩植被阻水影响分析[J]. 2025, (2): 67-71+48. DOI: 10.20040/j.cnki.1000-7709.2025.20240327.
针对水库修建后下游洪水位抬升的现象,以长江中游沙洲水道为例,基于现场查勘并结合遥感影像解析和平面二维水动力模型分析洲滩植被对沙洲水道的阻水影响。结果表明,洲滩植被会引起沙洲水道区域平均水位抬升、流速减小,且水位自下游至上游抬升幅度沿程增大,洪水流量影响大于中等流量影响;水道断面流速分布呈现洲滩减小,主槽增大的变化趋势,可能造成“槽冲滩淤”;植被阻水影响随植被生长而增大,但影响变幅在减小;防浪林对于沙洲水道右岸流速的调整大于左岸,而矮草/灌木对流速调整的影响则相反。
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