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Monitoring of nitric acid, particulate nitrate and other species in the UK-2006. Interim report under the UK Acid Deposition Monitoring Network to NETCEN/DEFRA

By Y. S. Tang, M. A. Sutton, I. Simmons, L. Love, E. Vogt, N. van Dijk, J. N. Cape, R. I. Smith, E. Armas-Sanchez, H. Lawrence and G. Hayman


The UK Nitric Acid Monitoring Network is operated and managed by CEH under subcontract to AEA Technology for the Department for Environment, Food and Rural Affairs (DEFRA)\ud and the Devolved Administrations. Monitoring work Commenced in September 1999, providing data on nitric acid, particulate nitrate and other species as part of the UK Acid Deposition Monitoring Network. In the first phase of the network, monitoring was implemented at 12 sites using the CEH DELTA denuder system, in an integrated fashion with the UK National Ammonia Monitoring Network (NAMN). The aim of these measurements is to explore spatial patterns, compare results with dispersion models, seasonality and contribute to national N deposition estimates. To improve on the national spatial coverage, the HNO3 monitoring network was increased from 12 to 30 sites in the second phase of the network, starting January 2006.\ud In this interim report, we summarize the sampling methods and measurement data from the new expanded 30 site network for 2006 and compare this against previous years

Topics: Chemistry, Atmospheric Sciences
Publisher: Centre for Ecology and Hydrology
Year: 2007
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