Revitalization of Urban Brownfield:Case Study on the Planning of the Central Park of Nanhu Eco-City in Tangshan

The redevelopment and regeneration of coal mining subsidence area has always been a hot topic in the?eld of social and scienti?c research.Relying on remote sensing and the geographic information system(GIS)platform and considering the opinions of experts from various disciplines,this paper intends to take the landscape planning and design of the coal mining subsidence area in Nanhu of Tangshan as an example to discuss the planning design strategies and substantial implementing approaches to transform abandoned urban land into a national urban wetland park,which specifically includes:①anticipation of geological subsidence disaster and construction of ecological security pattern;②coal ash management;③garbage mountain transformation;④application of eco-technologies for solving ground subsidence,etc.,so as to provide technical methods and research ideas for the utilization directions,ecological protection,and construction of urban brown?eld in similar areas all over the world.