HU Chenglong, LI Baofen, DENG Lixian, LI Xiaopeng, JIN Zhuo, QIN Fei. Analysis of spatiotemporal characteristics of flood season entry dates in Kunming City from 1970 to 2024J. China Flood & Drought Management, 2026, 36(4): 16-21. DOI: 10.16867/j.issn.1673-9264.2025240