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ABSTRACT
In recent decades, human activities have significantly affected coastline changes with the dramatic expansion of coastal cities. In this study the modified normalized difference water index was applied to multi-temporal images of Shenzhen to determine coastlines, and a point-based approach was used to reflect spatial location changes from 1988 to 2015. The results of the stepwise discriminant analytical method and the grey correlation analysis model suggest that socio-economic factors have greatly affected changes in the coastline stability and types. It can be concluded that the population growth factor is responsible for coastline changes, in addition to some economic factors.
Acknowledgements
The authors would like to thank the members of the Administration of Prevention and Control of Geo-Hazards in the Three Gorges Reservoir of China for their assistance during data collection.
Funding
This study was jointly supported by the National Natural Science Foundation of China (41501470 and 41571438), the Open Fund of the Key Laboratory of Urban Land Resources Monitoring and Simulation in the Ministry of Land and Resources (KF-2015-01-006), the Open Fund of Hubei Province's Key Laboratory of Regional Development and Environmental Response (2015(B) 001), and the Open Research Fund Program of the Shenzhen Key Laboratory of Spatial Smart Sensing and Services (Shenzhen University).