Observation Experiments and Analysis of Summer Urban Heat Island in Cold Region Based on Low-Altitude Dual-Source Remote Sensing: A Case Study of Zhengzhou University Main Campus. - Xu Yuan; Yalun Zhang; Sihan Xue; Jialiang Han 004; Xiao Liu; Zhi Lv (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2025)