Ontology highlight
ABSTRACT:
SUBMITTER: Wang S
PROVIDER: S-EPMC6642345 | biostudies-literature | 2019 Jul
REPOSITORIES: biostudies-literature
Wang Siyuan S McNamara Stephen M SM Moore Christopher W CW Obrist Daniel D Steffen Alexandra A Shepson Paul B PB Staebler Ralf M RM Raso Angela R W ARW Pratt Kerri A KA
Proceedings of the National Academy of Sciences of the United States of America 20190628 29
Bromine atoms play a central role in atmospheric reactive halogen chemistry, depleting ozone and elemental mercury, thereby enhancing deposition of toxic mercury, particularly in the Arctic near-surface troposphere. However, direct bromine atom measurements have been missing to date, due to the lack of analytical capability with sufficient sensitivity for ambient measurements. Here we present direct atmospheric bromine atom measurements, conducted in the springtime Arctic. Measured bromine atom ...[more]