张立华, 朱庆, 暴景阳, 徐胜华. 一种基于数字伴潮海岸线的潮滩淹没区仿真算法[J]. 武汉大学学报 ( 信息科学版), 2007, 32(7): 637-640.
引用本文: 张立华, 朱庆, 暴景阳, 徐胜华. 一种基于数字伴潮海岸线的潮滩淹没区仿真算法[J]. 武汉大学学报 ( 信息科学版), 2007, 32(7): 637-640.
ZHANG Lihua, ZHU Qing, BAO Jingyang, XU Shenghua. An Algorithm for Simulating Intertidal Flood Area Based on Digital Tide-Coordinated Shoreline[J]. Geomatics and Information Science of Wuhan University, 2007, 32(7): 637-640.
Citation: ZHANG Lihua, ZHU Qing, BAO Jingyang, XU Shenghua. An Algorithm for Simulating Intertidal Flood Area Based on Digital Tide-Coordinated Shoreline[J]. Geomatics and Information Science of Wuhan University, 2007, 32(7): 637-640.

一种基于数字伴潮海岸线的潮滩淹没区仿真算法

An Algorithm for Simulating Intertidal Flood Area Based on Digital Tide-Coordinated Shoreline

  • 摘要: 提出了一种基于数字伴潮海岸线(digital tide-coordinated shoreline,DTS)的潮滩淹没区仿真算法。此算法在建立数字潮滩模型和瞬时水位模型的基础上实时提取DTS。根据DTS的类型确定不连通的洼地,并快速计算其影响域,同时合理地确定潮滩与水面模型的表达方式,正确构建和显示淹没区。实验结果证明,本文算法在表达的准确性和计算的速度上明显优于传统算法。

     

    Abstract: An algorithm is presented for simulating the intertidal flooded areas based on digital tide-coordinated shoreline(DTS).On the basis of creating digital intertidal zone model(DIZM) and instantaneous water surface model(IWSM),DTSs are acquired.Disconnect depressions are determined depending on types of DTS,and influencing areas of them are computed efficiently.Moreover,reasonable rendering modes of DIZM and IWSM are determined,and flooded areas are built and displayed correctly.Experimental results demonstrate that the proposed algorithm is more advantageous than traditional algorithms in accuracy and efficiency.

     

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