Methane and nitrous oxide emissions in The Netherlands: Ambient measurements support the national inventories

van der Laan, S., Neubert, R. E. M. and Meijer, H. A. J. (2009) Methane and nitrous oxide emissions in The Netherlands: Ambient measurements support the national inventories. Atmospheric Chemistry and Physics, 9 (24). pp. 9369-9379. ISSN 1680-7324

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Abstract

We present net emission estimates of CH(4) and N(2)O of The Netherlands based on measurements conducted during the period of May 2006 to April 2009 at station Lutjewad, The Netherlands (6 degrees 21' E, 53 degrees 24' N, 1 m a.s.l.). (222)Radon mixing ratios were applied as an indicator for vertical mixing and long-range air mass transport and used to calculate the net surface fluxes from atmospheric mixing ratios of CH(4) and N(2)O. Our study shows that our measurement site Lutjewad is well-suited to measure emissions from The Netherlands and validation of the national inventories using the (222)Radon flux method. Since this study is purely observation-based it is independent from inventories or atmospheric models. Our results are compared to the national inventories as reported to the UNFCCC. We found net emissions of: (15.2 +/- 5.3) t km(-2) a(-1) for CH(4) and (0.9 +/- 0.3) t km(-2) a(-1) for N(2)O. These values are lower than the inventory-based emissions (2006-2008 averages) of (18.3 +/- 3.3) t km(-2) a(-1) for CH(4), and (1.3 +/- 0.6) t km(-2) a(-1) for N(2)O, but the differences are insignificant.

Item Type:	Article
Uncontrolled Keywords:	atmospheric observations,carbon-dioxide,mace head,budget,co2,ireland,n2o
Faculty \ School:	Faculty of Science > School of Environmental Sciences
Depositing User:	Pure Connector
Date Deposited:	08 Dec 2015 16:05
Last Modified:	14 Sep 2023 13:30
URI:	https://ueaeprints.uea.ac.uk/id/eprint/55725
DOI:	10.5194/acp-9-9369-2009

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