Measurements of sulphur dioxide in rural air: data quality issues
Cape, J.N.. 2011 Measurements of sulphur dioxide in rural air: data quality issues. Edinburgh, NERC/Centre for Ecology & Hydrology [Internal report] (Unpublished)
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Abstract/Summary
Discrepancies between long-term average SO2 concentrations measured by UV-Fluorescence monitors in the AURN and DELTA denuders from AGA-Net are caused by inadequate performance of UV-F monitors at low concentrations. The hourly data are essential for measuring possible exceedances of limit values – for which the AURN was established – and there is no suggestion that they are no longer fit for that purpose. However, as operated at present they should not be used to provide data for assessing long-term average concentrations. The DELTA denuders in AGA-Net were specifically designed for that purpose, and provide the data needed to assess rural (and suburban) concentrations for model evaluation across the UK.
| Item Type: | Publication - Other (Internal report) |
|---|---|
| Programmes: | CEH Topics & Objectives 2009 - 2012 > Biogeochemistry > BGC Topic 1 - Monitoring and Interpretation of Biogeochemical and Climate Changes > BGC - 1.1 - Monitor concentrations, fluxes, physico-chemical forms of current and emerging pollutants ... |
| UKCEH and CEH Sections/Science Areas: | Billett (to November 2013) |
| Funders/Sponsors: | NERC |
| Additional Keywords: | sulphur dioxide, rural air, monitoring, air quality |
| NORA Subject Terms: | Ecology and Environment Atmospheric Sciences |
| Date made live: | 31 Aug 2012 14:50 +0 (UTC) |
| URI: | https://nora.nerc.ac.uk/id/eprint/19403 |
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