Journal cover Journal topic
Biogeosciences An interactive open-access journal of the European Geosciences Union
Journal topic
Volume 12, issue 16
Biogeosciences, 12, 5133–5142, 2015
https://doi.org/10.5194/bg-12-5133-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Biogeosciences, 12, 5133–5142, 2015
https://doi.org/10.5194/bg-12-5133-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 31 Aug 2015

Research article | 31 Aug 2015

The Measuring Ammonia in Nature (MAN) network in the Netherlands

D. E. Lolkema, H. Noordijk, A. P. Stolk, R. Hoogerbrugge, M. C. van Zanten, and W. A. J. van Pul D. E. Lolkema et al.
  • National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands

Abstract. Since 2005 the Measuring Ammonia in Nature (MAN) network monitors atmospheric ammonia concentrations in nature reserve areas in the Netherlands (http://man.rivm.nl). The main aim of the network is to monitor national trends, to assess regional deviations and to validate model calculations. Measurements are performed with commercial passive samplers, calibrated monthly against ammonia measurements of active sampling devices. The sampling is performed by an extensive group of local volunteers, which minimizes the cost and enables the use of local knowledge. We show the MAN network to be well capable of monitoring trends on national and local scales and providing data for more detailed local analyses. The quality of the network is such that trends over time for individual MAN areas can be detected on the order of 3 % per year for time series of 6–9 years.

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