With unique monsoon, mesoscale and submesoscale processes, the Indian Ocean offers critical insights and new challenges to achieving a full understanding of marine environments and the Earth system. Editors’ Vox is a blog from AGU’s Publications Department. Mesoscale and submesoscale ocean processes influence ocean circulation, air-sea fluxes, ecosystem variability, and transport of materials. A new article in Reviews of Geophysics examines how ... [8817 chars]