Subsurface thermogenic methane source and impact on pore-fluid biogeochemistry in shallow shelf sediments off the West Coast of India. - Sivan, Kalyani; Mazumdar, Aninda; Peketi, Aditya; Zatale, Anjali; Sadique, Mohd; Ghosh, Ankita; Pillutla, S P K; Mathai, Jittu; Mishra, Subhashree (Journal of Earth System Science, 2026)