| 黄河清水沟流路大嘴的形成对莱州湾潮流场影响的数值研究 |
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| 引用本文： | 张永强,迟万清,胡泽建,边淑华.黄河清水沟流路大嘴的形成对莱州湾潮流场影响的数值研究[J].海洋科学进展,2010,28(2). |
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| 作者姓名： | 张永强 迟万清 胡泽建 边淑华 |
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| 作者单位： | 国家海洋局,第一海洋研究所,山东,青岛,266061 |
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| 基金项目： | 国家海洋局青年基金，中央级公益性科研院所基本科研业务费专项资金 |
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| 摘 要： | 黄河口于1976年改道清水沟流路入海,入海河沙淤进致使莱州湾西岸局部岸线向海推进约21 km,在0,5,10 m等深线处分别向海推进21,17,16 km。按黄河口改道清水沟流路前和改道后的莱州湾岸线和海底地形分别建立模型,计算了黄河口改道前后的莱州湾潮流场。结果表明,黄河大嘴的形成,致使其两侧涨落急计算流速减小了40 cm/s之多,其东侧形成一个东西宽约8 km、南北长6 km的流速增大区,该流速增大区涨落急时刻计算流速较改道前增大30 cm/s以上;莱州湾西部海域计算主流向偏转,偏转量在27°~108°之间;清水沟流路大嘴形成前后,莱州湾东部潮流场变化不明显。
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| 关 键 词： | 莱州湾 黄河口 潮流 数值模拟 |
Numerical Study on Effects Given to Tidal Current Field in Lai Zhou Bay by the Wide Mouth of Yellow River Estuary Formed From Qingshui Gully |
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| ZHANG Yong-qiang,CHI Wan-qing,HU Ze-jian,BIAN Shu-hua.Numerical Study on Effects Given to Tidal Current Field in Lai Zhou Bay by the Wide Mouth of Yellow River Estuary Formed From Qingshui Gully[J].Advances in Marine Science,2010,28(2). |
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| Authors: | ZHANG Yong-qiang CHI Wan-qing HU Ze-jian BIAN Shu-hua |
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| Affiliation: | ZHANG Yong-qiang,CHI Wan-qing,HU Ze-jian,BIAN Shu-hua(First Institute of Oceanography,SOA,Qingdao 266061,China) |
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| Abstract: | The Yellow River Estuary became displaced and relocated in 1976 at the place where the Qingshui Gully used to flow into the sea.Because sands are carried from the Yellow River Estuary and deposited in the Laizhou Bay,the coastline has had a displacement about 21 km toward the sea.The 0 m,5 m,and 10 m isobaths have respectively moved 21 km,17 km,and 16 km seaward in the bay.The coastline and the bottom topography respectively for the pre-relocation conditions and for the post-reloction conditions of the Yell... |
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| Keywords: | the Laizhou Bay the Yellow River Estuary tidal current numerical simulation |
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