Unraveling spatiotemporal dynamics of dissolved organic phosphorus in an urban lake using FT-ICR MS and fluorescence spectroscopy - Mengze Li; Yao Du; Tianming Wu; Xinrui Jiang; Baisong Deng; Junna Ning; Dandan Si; Yiqun Gan; Qinghua Liu; Luyi Huang (Environmental Research, 2026)