A Preliminary Study on the Calculating Method for the Evolution of Siltation and Erosion o

A Preliminary Study on the Calculating Method for the Evolution of Siltation and Erosion of Tidal Flat

Based on GIS

DU Jinglong ;GAO Ang;YANG Shilun ;ZHANG Wenxiang ;ZHAO Huayun ;LI Peng

【期刊名称】《海洋通报（英文版）》 【年(卷),期】2005(007)001

【摘要】The estuary and coast is an area where the land and the sea interact and a place in which human beings frequently move about so that understanding and controlling the change and development modes of the coastal landform plays a vital part in exploiting and protecting coastal resources. A model is the generalization and abstraction of objective things. This paper summarizes four methods for the landform development of the tidal shore and underwater delta, mainly discusses the model's structural elements, and presents their specific application on the basis of the authors' case study. With the application of the profile model, the dynamic change of coastal landform can be clearly seen by contrasting the different profiles of different years.Through the shrinking, expanding and transformation of the isobath, plane model is used to study the macro-change of the shoal and the coastal landform. Speed model is an efficient means to analyze the trend of erosion and deposition and the local change in a great area of the sea. Statistical survey model is a static analysis, which

can be used to establish the relationship between the erosion and deposition of the shoal and the altitude and slope of survey spot. 【总页数】9页(45-53)

【关键词】profile model;plane model;speed model;statistical survey model;Yangtze Estuary

【作者】DU Jinglong ;GAO Ang;YANG Shilun ;ZHANG Wenxiang ;ZHAO Huayun ;LI Peng

【作者单位】Department of Urban and Environment, University of Technology and Science of Suzhou, Suzhou 215011,Jiangsu, China;State Key Lab ofEstuarine & Coastal Research, East China Normal University, Shanghai 200062, China;State Key Lab ofEstuarine & Coastal Research, East China Normal University, Shanghai 200062, China;State Key Lab ofEstuarine & Coastal Research, East China Normal University, Shanghai 200062, China;State Key Lab ofEstuarine & Coastal Research, East China Normal University, Shanghai 200062, China;State Key Lab ofEstuarine & Coastal Research, East China Normal University, Shanghai 200062, China;State Key Lab ofEstuarine & Coastal Research, East China Normal University, Shanghai 200062, China 【正文语种】中文 【中图分类】P7 【文献来源】

https://www.zhangqiaokeyan.com/academic-journal-cn_marine-science-

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