Research news on ozone layer

The ozone layer is a stratospheric region characterized by elevated concentrations of ozone (O₃), typically peaking between 15 and 35 km altitude, where photochemical equilibrium between ozone production and destruction governs its vertical structure and temporal variability. It forms primarily via UV-driven dissociation of molecular oxygen, followed by three-body recombination, and is depleted through catalytic cycles involving halogen radicals (e.g., ClO, BrO), HOx, and NOx species. As a central topic in atmospheric science, research on the ozone layer focuses on radiative transfer, stratospheric chemistry, dynamics–chemistry coupling, and the impacts of anthropogenic halocarbons and their regulation on global ozone distribution and recovery.