辐射沙脊群潮滩地形遥感遥测构建

马洪羽; 丁贤荣; 葛小平; 夏娟

doi:10.3969/j.issn.0253-4193.2016.03.011

辐射沙脊群潮滩地形遥感遥测构建

doi: 10.3969/j.issn.0253-4193.2016.03.011

1.
河海大学地球科学与工程学院, 江苏南京 210098
2.
河海大学水文水资源学院, 江苏南京 210098
3.
Hohai University School of Earth Science and Engineering, Nanjing 210098, China

基金项目: 国家科技支撑计划(2012BAB03B01);国家海洋公益性行业科研专项(201005006);江苏省基础研究计划(自然科学基金)(BK2012414)。

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出版历程
- 收稿日期: 2015-02-12
- 修回日期: 2015-05-14

Remote sensing and remote measuring approach to construct tidal flat terrain in the radial sand ridges

1.
Hohai University School of Earth Science and Engineering, Nanjing 210098, China
2.
Hohai University College of Hydrology and Water Resources, Nanjing 210098, China
3.
Hohai University School of Earth Science and Engineering, Nanjing 210098, China

摘要

摘要: 潮滩地形是合理开发利用潮间带滩涂最重要的指标之一。滩涂水边线测量法是目前公认的具有可操作性的滩涂地形遥感测量方法。本文以水边线测量方法为基础,提出一种基于水位测站基线的潮滩地形遥感遥测构建方法。以江苏沿海大面积潮滩为研究区,将该区域自建的4座水位测站的连线作为水位测站基线,结合不同潮情下采集的遥感影像提取的滩涂水边线数据,通过水位测站基线计算滩涂水边线高程,从而构建出辐射沙脊群潮滩地形。采用实测地形数据进行检验,结果表明:构建的DEM能够反应当前潮滩的基本形态,平面精度达30 m,垂直精度达20 cm。
- 水边线 /
- 水位测站基线 /
- 辐射沙脊群 /
- 水边点 /
- 水位测站基点 /
- DEM构建
Abstract: Tidal flat terrain is one of the most important indexes for us to exploit intertidal mudflat legitimately. Its measure method that using water boundary of tidal flat is now widely approved as a feasible method by remote sensing. Based on this method,the paper provided a new way named hydrological station baseline to construct tidal flat terrain. The way is established in a large tidal flat of radial sand ridges in coastal area of Jiangsu Province by connecting 4 hydrological stations in a row,used the values of water level,getting from the hydrological stations,to calculate water boundaries' elevation which were extracted from remote sensing images with multi tide situations. Accordingly,completed the construction of the tidal flat terrain of radial sand ridges. The accuracy was confirmed by actual measurement terrain. Results show that the DEM can reflect the current basic form of tidal flat and the position accuracy approach 30 m and the elevation accuracy approach 20 cm.
- water boundary /
- hydrological station baseline /
- radial sand ridges /
- water boundary points /
- hydrological station baseline points /
- DEM construction

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参考文献(23)

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