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《Geomatics & Spatial Information Technology》 2017-11
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Reshaping of Coastal Zone Terrain Deformation Monitoring Discussion:Taking the Lianzhou Bay of Beihai East Coast Remediation Rehabilitation as an Example

WANG Zeng-jun;LIANG Yan-yan;WEI Jiang-ling;ZHANG Chun-hua;WEI Chun-lei;Beihai Marine Environmental Monitoring Center Station of State Oceanic Administration;Sea Use Status Surveillance Center of Beihai;Shankou Mangrove Ecosystem Nature Reserve Administration;  
For understanding before and after repairing Variation of coastal topography of the Lianzhou bay of east Coast,Based on analysis of beach survey characteristics,we conduct deformation monitoring of specific beach profile and use elevation-distance to draw profiles,In order to contrasting depth contours,we measure underwater topography in subtotal belt and build DEM Appling GIS,We also focus on the effect of typhoon on beach topography. The result showed that Repairing the beach for two years: 1) the coastline moves towards the land,the coast is narrowed; 2) The 0 m contour moves 20 m in the direction of the sea,-0. 5 m contour moves30 m in the direction of the sea; 3) typhoon erosion of the beach is direct,vertical section of beach formed after typhoon,after the typhoon,the beach is basically in equilibrium for half a year.
【Fund】: 国家海洋公益性行业科研专项经费项目(201305023-5)资助
【CateGory Index】: P229;P748
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