Origin data of Manuscript "Multi-Phase Mobilization and Degradation Pathway of Natural Organic Matter within Alluvial-Lacustrine Aquifer Sediments".

Raw and reprocessed data of manuscript "Multi-Phase Mobilization and Degradation Pathway of Natural Organic Matter within Alluvial-Lacustrine Aquifer Sediments".IncludingDOM EEM raw data.FT-ICR-MS DOM compound group data.Particle size distribution results.Porewater extraction results.Figure data.Reprocessed data.FT-ICR-MS raw data are removed to reduce file size (for easy reusing), and will be available on request.Additional QA&QC are performed.Please find the published manuscript in Journal of Hydrology at 10.1016/j.jhydrol.2025.133310