河冰识别与光谱分类
针对高原河冰遥感识别,研究波段相对差异与机器学习方法。2025 年工作开展复杂地形下的河冰识别;2026 年工作结合 Landsat 5—9、Sentinel-2 与可解释机器学习,研究河冰光谱细分类。
青藏高原河冰光谱分类样本覆盖 2000—2024 年冬季影像,获取方式为向作者申请。
长时间序列分布与物候
利用 1999—2018 年的 Landsat 影像构建八宝河流域河冰分布序列,分析河冰发生率与地形、气温的关系。相关成果发表于 Remote Sensing of Environment(2020)。

结合 Sentinel-2 与 Landsat 8 的轨道重叠影像识别结冰、稳定冰封与消融阶段,相关方法发表于 Journal of Hydrology(2023)。数据目录另收录黄河流域 1987—2022 年逐月河冰数据。
冰厚反演与地面验证
利用 Sentinel-1 双极化 C 波段 SAR 估计高原河流冰厚,并通过 RTK 测高、钻孔和剖面复测获取验证数据。研究关注冰面高程、冰厚与雷达信号之间的关系,相关成果发表于 Remote Sensing(2022)。
河流径流遥感
利用近红外影像的河道辐射信息监测高寒山区小河流流量变化,研究缺资料流域的遥感估流方法,相关成果发表于 Water Resources Research(2019)。2026 年出版的河冰遥感书籍章节汇总了气候变化背景下的监测方法与研究进展。
近期文献
全部 9 篇与引用 →Optical River Ice Spectral Subclassification on the Tibetan Plateau: A Landsat 5–9 and Sentinel-2 Benchmark with Interpretable Machine Learning
完整引用
Hanwen Zhang, Hongyi Li. (2026). Optical River Ice Spectral Subclassification on the Tibetan Plateau: A Landsat 5–9 and Sentinel-2 Benchmark with Interpretable Machine Learning. Remote Sensing, 18(9), 1437. https://doi.org/10.3390/rs18091437
Remote sensing of river ice under climate change
完整引用
Li, H., Li, H., Zhang, H. and Pang, X. (2026) Remote sensing of river ice under climate change. In: Kelly, R. and Ellias, S. (eds.) Comprehensive Cryospheric Science and Environmental Change. Vol. 3, pp. 298-334. UK: Elsevier. https://doi.org/10.1016/B978-0-323-85242-5.00019-1
Machine Learning-Enhanced River Ice Identification in the Complex Tibetan Plateau
完整引用
Pang, Xin, Li, Hongyi, Ren, Hongrui, Yang, Yaru, Zhao, Qin, Liu, Yiwei, Hao, Xiaohua, Niu, Liting. (2025). Machine Learning-Enhanced River Ice Identification in the Complex Tibetan Plateau. Remote Sensing, 17(11), 1889. https://doi.org/10.3390/rs17111889
Revealing the river ice phenology on the Tibetan Plateau using Sentinel-2 and Landsat 8 overlapping orbit imagery
完整引用
Li Haojie, Li Hongyi, Wang Jian, Hao Xiaohua. (2023). Revealing the river ice phenology on the Tibetan Plateau using Sentinel-2 and Landsat 8 overlapping orbit imagery. Journal of Hydrology, 619, 129285. https://doi.org/10.1016/j.jhydrol.2023.129285
Monitoring the Ice Thickness in High-Order Rivers on the Tibetan Plateau with Dual-Polarized C-Band Synthetic Aperture Radar
完整引用
Zhang Huan, Li Hongyi, Li Haojie. (2022). Monitoring the Ice Thickness in High-Order Rivers on the Tibetan Plateau with Dual-Polarized C-Band Synthetic Aperture Radar. Remote Sensing, 14(11), 2591. https://doi.org/10.3390/rs14112591
Identifying river ice on the Tibetan Plateau based on the relative difference in spectral bands
完整引用
Li Haojie, Li Hongyi, Wang Jian, Hao Xiaohua. (2021). Identifying river ice on the Tibetan Plateau based on the relative difference in spectral bands. Journal of Hydrology, 601, 126613. https://doi.org/10.1016/j.jhydrol.2021.126613