| 一种基于数字伴潮海岸线的潮滩淹没区仿真算法 |
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| 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. |
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| 作者姓名： | 张立华 朱庆 暴景阳 徐胜华 |
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| 作者单位： | 1 海军大连舰艇学院海测系,大连市解放路667号,1160182 武汉大学测绘遥感信息工程国家重点实验室,武汉市珞喻路129号,430079 |
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| 基金项目： | 国家重点实验室基金;国家重点实验室基金;国家自然科学基金;教育部跨世纪优秀人才培养计划 |
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| 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。
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| 关 键 词： | 数字伴潮海岸线 淹没 潮滩 洼地 |
| 文章编号： | 1671-8860（2007）07-0637-04 |
| 收稿时间： | 2007-04-25 |
| 修稿时间： | 2007-04-25 |
An Algorithm for Simulating Intertidal Flood Area Based on Digital Tide-Coordinated Shoreline |
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| 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. |
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| Authors: | ZHANG Lihua ZHU Qing BAO Jingyang XU Shenghua |
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| Affiliation: | 1 Department of Hydrography and Cartography,Dalian Naval Academy,667 Jiefang Road,Dalian 116018,China2 State Key Laboratory for Information Engineering in Surveying,Mapping and Remote Sensing, Wuhan University,129 Luoyu Road,Wuhan 430079,China |
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| 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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| Keywords: | DTS flood intertidal zone depression |
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