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首页> 外文会议>International Conference on Coastal Sediments >LINKING ENVIRONMENTAL FORCING TO THE EVOLUTION OF AN EBB-TIDE DELTA AT ETTALONG POINT (SE AUSTRALIA)
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LINKING ENVIRONMENTAL FORCING TO THE EVOLUTION OF AN EBB-TIDE DELTA AT ETTALONG POINT (SE AUSTRALIA)

机译：将环境强迫与Ettalong Point（SE Australia）的eBB-Tide Delta的演变联系起来

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摘要

Ocean-Umina Beach is located 50 km north of Sydney in SE Australia adjacent to a large ebb-tide delta. As the site is at the potentially unstable interface between a wave dominated semi-open coast location and a tide dominated estuarine environment, the area has experienced episodic erosion and subsequent coastal management works dating back to the 1940s. This paper presents a method combining multiple sources of remote sensing data and linking it to predominant environmental drivers to derive a comprehensive historical analysis of the beaches, shoals and channels within the project area. The methodology was able to quantify morphological changes over time scales of a single storm, seasonal to inter-annual variability, long term erosion/accretion trends and engineering interventions.
机译：Ocean-Umina Beach位于悉尼北部50公里，于澳大利亚毗邻一个大型的退潮二角洲。由于该网站处于波浪主导的半开海岸地点和潮汐主导的河口环境之间的潜在不稳定的界面，因此该地区经历了遭受了侵蚀和随后的沿海管理工作，可追溯到20世纪40年代。本文介绍了一种与遥感数据的多种来源相结合的方法，并将其与主要的环境驱动因素联系起来，从项目区域内的海滩，浅滩和渠道进行全面的历史分析。该方法能够量化一场暴风雨，季节性的时级变化，季节性变化，长期侵蚀/增值趋势和工程干预。

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