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Interpretation of beach and nearshore morphodynamics, based on detailed geomorphological mapping.

机译:解释海滩和近岸地貌动力学,基于详细的地貌图。

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摘要

Shorelines are prefigured by inherited geologic features and spatially-defined process-form relationships that require in depth study. This thesis is based on the interpretation, delineation, and analysis of coastal geomorphological features, as mapped from large-scale (e.g. 1:3600), digital, georeferenced, stereo-paired, color, aerial photography. The morphologic features identified include coral-algae reef tracts, rock reefs, sedimentary features such as bars, troughs, and sandflats, and different types of engineering works. Interrelationships between these morphologic features are analyzed using a remote sensing-GIS/MIS (Geographic and Marine Information Systems) framework, and applying interpretive approaches in the analysis of beach and nearshore morphodynamics. Sediment and wave data is used to calculate the dimensionless fall velocity (Ω), which combined with local geomorphology, defines beach types. Special purpose geomorphological and morphodynamic maps generated here, together with assessment of beach types and analysis of downdrift erosion provides new insights and deep understanding of large scale coastal behavior, which is of great use to management planning strategies.
机译:海岸线是通过继承的地质特征和需要深入研究的空间定义的过程形式关系预先确定的。本论文基于对沿海地貌特征的解释,划分和分析,该地形图是从大规模(例如 1:3600),数字化,地理参考,立体配对,彩色,航空摄影绘制而成的。确定的形态特征包括珊瑚海藻礁区,岩石礁,诸如条形,槽形和扁平形的沉积特征以及不同类型的工程。使用遥感GIS / MIS(地理和海洋信息系统)框架分析这些形态特征之间的相互关系,并将解释方法应用于海滩和近岸形态动力学分析。沉积物和波浪数据用于计算无因次下降速度(Ω),结合当地的地貌来定义海滩类型。这里生成的专用地貌和地貌动力学图,以及海滩类型的评估和下沉侵蚀的分析,为大规模沿海行为提供了新的见识和深刻理解,这对于管理规划策略很有用。

著录项

  • 作者

    Benedet Filho, Lindino.;

  • 作者单位

    Florida Atlantic University.;

  • 授予单位 Florida Atlantic University.;
  • 学科 Geology.; Physical Geography.; Engineering Marine and Ocean.; Remote Sensing.
  • 学位 M.S.
  • 年度 2002
  • 页码 169 p.
  • 总页数 169
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 地质学;自然地理学;海洋工程;遥感技术;
  • 关键词

  • 入库时间 2022-08-17 11:46:10

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