Continuous observations of carbon dioxide at Mace Head,Ireland from 1995 to 1999 and its net European ecosystem exchange |
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| Institution: | 1. Mathematical Institute, University of Koblenz, Koblenz 56070, Germany;2. Department of Mathematics, Universitas Indonesia, Depok 16424, Indonesia;3. Department of Mathematics, Technical University of Kaiserslautern, Kaiserslautern 67663, Germany;1. GEOTOP, Université du Québec à Montréal, Montréal, Québec H3C 3P8, Canada;2. Department of Earth Sciences, Brock University, St. Catharines, Ontario L2S 3A1, Canada;3. Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, 27568 Bremerhaven, Germany;1. College of Geography Science, Nanjing Normal University, Nanjing 210023, China;2. Department of Geography, School of Global Studies, University of Sussex, Brighton BN1 9QJ, UK;3. Institute of Global Environmental Change, Xi''an Jiaotong University, Xi''an 710049, China;4. Department of Earth Sciences, University of Minnesota, Minneapolis, MN 55455, USA |
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| Abstract: | A 5-yr record of continuous high-frequency carbon dioxide CO2 observations over the 1995–1999 period for the Mace Head Atmospheric Research Station has been examined to reveal a complex interplay between local- and regional-scale sources and sinks. During the winter months, an additional CO2 source, over and above fossil fuel combustion, is required to support the observed concentrations of CO2 in European regionally polluted air masses. During the summer months, an additional CO2 sink is required. Over the entire study period, the additional net European ecosystem exchange source–sink required is –0.36±0.4 Gtonne C yr?1. |
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