PREDICTING LONGSHORE GRADIENTS IN LONGSHORE TRANSPORT: COMPARING THE CERC FORMULA TO DELFT3D

机译：预测长寿运输中的长寿梯度：将CERC公式与DELFT3D进行比较

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The prediction of longshore transport gradients is critical for forecasting shoreline change. We employ simple test cases consisting of shoreface pits at varying distances from the shoreline to compare the longshore transport gradients predicted by the CERC formula against results derived from the process-based model Delft3D. Results show that while in some cases the two approaches give very similar results, in many cases the results diverge greatly. Although neither approach is validated with field data here, the Delft3D-based transport gradients provide much more consistent predictions of erosional and accretionary zones as the pit location varies across the shoreface.

机译：长岸运输坡度的预测对于预测海岸线变化至关重要。我们采用了简单的测试案例，这些案例由距海岸线不同距离的岸面坑组成，以将CERC公式预测的长岸运输梯度与基于过程的模型Delft3D得出的结果进行比较。结果表明，尽管在某些情况下两种方法给出的结果非常相似，但在许多情况下结果却大相径庭。尽管此处两种方法均未通过现场数据进行验证，但随着基坑位置在整个岸上变化，基于Delft3D的输运梯度可提供更一致的侵蚀和增生区域预测。

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来源
《International Conference on Coastal Engineering 2006(ICCE 2006); 20060903-08; San Diego,CA(US)》|2006年|P.3370-3380|共11页
会议地点 San DiegoCA(US)
作者
Jeffrey H. List; Daniel M. Hanes; Peter Ruggiero;
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作者单位

U.S. Geological Survey, 384 Woods Hole Rd., Woods Hole, MA 94025, USA;

U.S. Geological Survey, 400 Natural Bridges Drive, Santa Cruz, CA 95060, USA;

Dept. of Geosciences, 104 Wilkinson Hall, Oregon State University, Corvallis, OR 97331, USA;

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正文语种 eng
中图分类海洋工程;
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PREDICTING LONGSHORE GRADIENTS IN LONGSHORE TRANSPORT: COMPARING THE CERC FORMULA TO DELFT3D

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