Coupling Relationship of Geomorphic Evolution and Marine Hydrodynamics in the Stage-Specific Development of Urban Bays: A Modelling Case Study in Quanzhou Bay (1954–2017), China

With the development of social economy and human activities, geomorphology hydrodynamic conditions coasts have been dramatically changed, causing serious environmental pollution resource depletion. Taking Quanzhou Bay as an example, this study combined geomorphologic change with a model to simulate in tidal currents different periods. The results show coastline was main cause during industrialization reform. During past 70 years, prism decreased year by year, average velocity current channel 33.7% 30.8% at flood ebb tide, respectively. In early stages industrialization, reclamation land used single way. 22.2% 29.8% spring neap middle later stages, increased, variety ways. modern society, land-use type unitary. Based on research, we influence activities evolution bay’s provide suggestions for management bay.