Artificial nighttime light amplifies urban-rural difference in spring phenology in cold cities but narrows in warm cities - Wanying Cheng; Hongfang Zhao; Yuanzhi Yao; Hangqi Liang; Xuhui Wang; Anping Chen; Zhenzhong Zeng; Xuecao Li; Yang Yi; Xia Li (Urban Forestry & Urban Greening, 2025)