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Simulation of Tidal Flat Terrain Based on Landform Feature Lines of Tidal Basin

  • Y. Y. KangEmail author
  • X. R. Ding
Conference paper
  • 1.9k Downloads
Part of the Springer Geology book series (SPRINGERGEOL)

Abstract

Starting from tidal basin, we focus on obtaining the tidal flat digital terrain quickly and efficiently from remote sensing images which can be acquired in real-time. Three parts were illustrated in this paper. Firstly, the landform features of tidal basin were analyzed. The tidal creeks and the watershed beach ridges were considered as the main skeleton structure which could control the whole tidal basin terrain. Secondly, the tidal flat terrain was simulated. This part can be divided into three steps. ① The 2D layout of tidal creeks and watershed beach ridges were obtained from remote sensing images. ② 3D model of tidal creeks and watershed beach ridges was established based on inflection points just like tidal creeks intersections or measuring points on the cross-sections. ③ The terrain of tidal basin was simulated based on 3D elevation of tidal creeks and watershed beach ridges. “ANUDEM” was the main interpolation method. Finally, error analysis was made between the simulated terrain data and the actual measurement data. The result showed that 97 % of errors were between ±0.4 m. The simulated terrain data would be suitable for the further interrelated research within certain precision limitation. It has great significance for evolution research and reclamation of tidal flat in Jiangsu province China.

Keywords

Tidal basin Tidal creek Watershed beach ridge Terrain simulation 

References

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.College of Harbor, Coastal and Offshore EngineeringHohai UniversityNanjngChina
  2. 2.College of Hydrology and Water ResourcesHohai UniversityNanjngChina

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