SEDIMENT TRANSPORTATION OF MUD-DUMPING GROUND AND EFFECT ON SEAWAY SILTATION OF HUANGHUA PORT
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摘要: 利用粒子追踪、中子活化示踪砂技术以及赵冲久和Yalin等相关公式对黄骅港抛泥区泥沙运移规律进行了研究,并在此基础上分析了抛泥区对黄骅港航道淤积的影响。结果表明,在正常天气下,抛泥区的泥沙运移主要受潮流控制;在大风条件下,泥沙运移则受到波浪、潮流、风生流等多种因素的影响;抛泥区泥沙几乎不会对航道淤积产生直接影响,其对航道淤积的影响是间接和有限的。Abstract: Particle tracking, neutron activation tracer sediment technique and formulas of Zhao and Yalin have been used to conduct research on sediment transport in mud-dumping grounds of Huanghua port. Furthermore, through these studies, effect on seaway siltation is analyzed. Results show that the sediment transport is dominated by tidal current under normal weather; nevertheless, under the condition of strong winds,wind wave, tidal current and wind-driven current play important roles in the sediment transport. Sediments from the mud-dumping grounds almost have no direct effect on seaway siltation under a single strong wind. The effect on seaway siltation from the mud-dumping grounds is indirect and limited.
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Keywords:
- mud-dumping ground /
- sediment transport /
- seaway siltation /
- Huanghua port
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