Optimizing Rank of Landscape Planning Works of Urban Wetland Park

Classifying and ranking the huge amounts of landscape planning works of urban wetland park is always difficult due to the multi-functions(ecological,leisure,educational and disaster prevention) of the urban wetland park.Therefore,an optimizing rank system is urgently needed.Analytic Hierarchy Process(AHP) and Technique for Order Preference by Similarity to Ideal Solution(TOPSIS) models were used to rank the planning works of 30 urban wetland park based on four mainly factors,which included landscape ecological planning,landscape planning,ecological planning and economic planning.The study indicated that the AHP-TOPSIS model had good discrimination in the classification and ranking of landscape planning works of urban wetland park and it was also applicable to the planning works of other urban greenbelts.