Emerging proglacial lake constraints on mercury transport and transform patterns in glacial meltwater runoff on China's Tibetan plateau - Xuejun Sun; Qianggong Zhang; Jie Wang; Binglin Zhang; Junming Guo; Kun Zhang; Mingyue Li; Zijian Lu; Jianbo Shi; Shichang Kang (Journal of Environmental Sciences, 2026)