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首页> 外文学位 >The impact of the Endicott causeway on sediment transport in the Sagavanirktok River delta, North Slope Alaska.
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The impact of the Endicott causeway on sediment transport in the Sagavanirktok River delta, North Slope Alaska.

机译：Endicott堤道对阿拉斯加北坡Sagavanirktok河三角洲的泥沙输运影响。

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摘要

Solid filled causeways have been used along the Beaufort Sea coastline to support oil and gas drilling operations and have provided maritime access on a shallow coast. The Endicott causeway, located in the Sagavanirktok River delta on Alaska's North Slope, has altered the coastal hydrodynamics that transports sediments across the delta. Sedimentation has been observed in the lagoon, shoreward of the Endicott causeway. Past studies have raised concern that infilling of the lagoon may eventually alter fish migration. The main objectives of this thesis were to determine if the lagoon has continued to infill and if the pattern of infilling has been related to the alterations imposed by the causeway. The results indicated that sediment has continued to deposit in the lagoon and the deposition has been related to the placement of the causeway. Based on the findings, the rate of sediment deposition in the lagoon has been decreasing.
机译：沿波弗特海沿岸使用了充满固体的堤道，以支持石油和天然气钻井作业，并在浅海岸提供了海上通道。位于阿拉斯加北坡的Sagavanirktok河三角洲的恩迪科特河堤道改变了沿海岸带输送沉积物的沿海水动力。在恩迪科特河堤道沿岸的泻湖中观察到了沉积。过去的研究引起了人们的关注，泻湖的填充最终可能会改变鱼类的迁移。本文的主要目的是确定泻湖是否继续充填，以及充填的方式是否与堤道的改建有关。结果表明，沉积物继续在泻湖中沉积，沉积与堤道的布置有关。根据调查结果，泻湖中的沉积物沉积速率一直在下降。

著录项

  • 作者

    Yager, Garrett C.;

  • 作者单位

    University of Alaska Anchorage.;

  • 授予单位 University of Alaska Anchorage.;
  • 学科 Geomorphology.;Environmental Sciences.;Engineering Civil.
  • 学位 M.S.
  • 年度 2011
  • 页码 173 p.
  • 总页数 173
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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