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Development of a Ground-Based Atmospheric Monitoring Network for the Global Mercury Observation System (GMOS)

By Sprovieri F., Gratz L. E. and Pirrone N.

Abstract

Consistent, high-quality measurements of atmospheric mercury (Hg) are necessary in order to better understand Hg emissions, transport, and deposition on a global scale. Although the number of atmospheric Hg monitoring stations has increased in recent years, the available measurement database is limited and there are many regions of the world where measurements have not been extensively performed. Long-term atmospheric Hg monitoring and additional ground-based monitoring sites are needed in order to generate datasets that will offer new insight and information about the global scale trends of atmospheric Hg emissions and deposition. In the framework of the Global Mercury Observation System (GMOS) project, a coordinated global observational network for atmospheric Hg is being established. The overall research strategy of GMOS is to develop a state-of-the-art observation system able to provide information on the concentration of Hg species in ambient air and precipitation on the global scale. This network is being developed by integrating previously established ground-based atmospheric Hg monitoring stations with newly established GMOS sites that are located both at high altitude and sea level locations, as well as in climatically diverse regions. Through the collection of consistent, high-quality atmospheric Hg measurement data, we seek to create a comprehensive assessment of atmospheric Hg concentrations and their dependence on meteorology, long-range atmospheric transport and atmospheric emissions

Topics: Atmospheric mercury, global transport, monitoring network, GMOS, General Works, A, DOAJ:Multidisciplinary, DOAJ:General Works, Environmental sciences, GE1-350
Publisher: EDP Sciences
Year: 2013
DOI identifier: 10.1051/e3sconf
OAI identifier: oai:doaj.org/article:13549de108334c5fb2792f5011efe5de
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