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Long-term monitoring of data of ambient mercury (Hg) on a global scale to assess its emission, transport, atmospheric chemistry… Expand Abstract. In the last two decades, significant depletion of boundary layer ozone (ozone depletion events, ODEs) has been observed… Expand  The total stratospheric inorganic bromine burden (Bry) was derived from balloon-borne bromine monoxide (BrO) observations… Expand  Frost flowers grow on newly-formed sea ice from a saturated water vapour layer. They provide a large effective surface area… Expand  We investigate chemistry and dynamics of bromine explosion events during Antarctic spring of 1999 and 2000 using ground-based… Expand The emission of volcanic gases usually precedes eruptive activity, providing both a warning signal and an indication of the… Expand  The analysis for BrO using the technique of differential optical absorption spectroscopy as applied to spectra of light… Expand Ground-based zenith sky UV-visible measurements of stratospheric bromine monoxide (BrO) slant column densities are compared with… Expand Bromine atoms are believed to play a central role in the depletion of surface-level ozone in the Arctic at polar sunrise. Br2… Expand At least seven organic bromine compounds have been positively identified in the atmosphere1,2 (CH3Br, CH2Br2, CHBr3, CH2BrCl… Expand