A GeoAI-informed floating catchment area framework for assessing spatiotemporal equity of park accessibility for elderly population using dynamic popularity weighting and 3D pedestrian network - Dong Liu; Tomoki Nakaya; Tianji Cai; Jing Huang; Jiajun Luo; Jianying Wang; Yang Liu; Zheng Xian; Zihan Kan (Urban Forestry & Urban Greening, 2026)