Benefit Evaluation and Coupling Mechanism of Recreation Space in Lake Parks Based on AHP-FCE Model
The recreation space benefits in lake parks are characterized by homogenization and poor coordination,and their coupling mechanism needs to be revealed urgently.An evaluation index system for comfort,safety,sociability,and aesthetic benefits were established based on the AHP-FCE model.Qualitative and quantitative methods such as filed observation,POE,behavior observation,and SBE-SD were used to evaluate the recreation space benefits in lake parks.A fuzzy comprehensive evaluation(FCE)of benefits was conducted to reveal their coupling mechanism.The results show that:1)Urban lake parks yield high recreation benefits(2.33-3.38)and uneven spatial distribution,while suburban small lake parks yield the worst(2.18);2)The closer the distance to water,the more gentle the slope,the more the green coverage,and the more buildings and facilities there are,the more significant the recreation space benefits;3)The recreation benefits of natural lakes and plant spaces are in the coordinated development,while those of artificial waterfront and hard activity spaces in the brink of imbalance.The recreation space benefits is evaluated and their coupling mechanism is revealed,laying the theoretical foundation for blue-green spaces regulation such as lake parks.
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