Irfan, M. et al. 2025. SPATIOTEMPORAL MODELLING OF HEAVY METAL POLLUTION AND WATER QUALITY DEGRADATION IN KARACHI’S COASTAL WATERS: THREAT TO MARITIME SUSTAINABILITY. POLARIS Journal of Maritime Research . 7, 1 (Dec. 2025), 65–82. DOI:https://doi.org/10.53963/pjmr.2025.005.1.