Abstract：As global ice-and-snow tourism continues to gain momentum, ice-and-snow landscapes have become the driving force behind winter cultural tourism in cold-region cities. Outdoor ice and snow scenic areas in cold regions worldwide face the common challenge of poor tourist thermal comfort due to extreme cold. Actively regulating microclimate by optimizing the morphological layout of ice and snow landscape architecture is critical to improving environmental quality. This study takes a typical core cluster in Harbin Ice and Snow World as the research object, uses ENVI-met simulation, takes Physiological Equivalent Temperature (PET) as the evaluation index, and systematically analyzes the effects of cluster radius, central tower height, and enclosure degree on winter microclimate and thermal comfort. The simulation results show that changes in these three parameters significantly affect the spatiotemporal distribution of thermal comfort inside the cluster. This research supplements quantitative simulation studies on temporary ice and snow architectural forms with special materials, provides a quantitative basis for climate-adaptive design of ice-snow scenic areas, and the analytical approach offers an innovative research tool and scientific decision-making framework for morphological optimization of cold-region public spaces.
