Deposition monitoring networks: what monitoring is required to give reasonable estimates of ammonia/ammonium?

Erisman, Jan Willem; Hensen, Arjan; Mosquera, Julio; Sutton, Mark ORCID: https://orcid.org/0000-0002-6263-6341; Fowler, David. 2005 Deposition monitoring networks: what monitoring is required to give reasonable estimates of ammonia/ammonium? Environmental Pollution, 135. 419-431. 10.1016/j.envpol.2004.11.015

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Official URL: http://dx.doi.org/10.1016/j.envpol.2004.11.015

Abstract/Summary

Deposition is one of the main loss terms for ammonia and ammonium from the atmosphere. It is also the input for ecosystems that can lead to drastic changes and effects. Deposition networks are needed to evaluate the need and the effect of policies to reduce nitrogen emissions, but also for studying deposition parameters and for developing deposition models. As with ambient concentrations of ammonia, deposition, especially dry deposition, varies strongly in space and in time. Furthermore, the bi-directional surface–atmosphere exchange of ammonia makes the combination of ambient concentration measurements with inferential models inadequate. Developing deposition monitoring networks with reasonable accuracy and representativeness is therefore not straightforward. In Europe several projects have addressed deposition monitoring. From these results it is concluded that a monitoring strategy should consist of a network with a limited amount of super sites combined with a larger number of sites where low cost methods are applied, together with models for generalisation. Current measurement methods allow monitoring of the deposition of ammonia and ammonium in a network consisting of core sites and low cost sites.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1016/j.envpol.2004.11.015
Programmes:	CEH Programmes pre-2009 publications > Biogeochemistry > BG01 Measuring and modelling trace gas, aerosol and carbon > BG01.1 UK nitrogen and sulphur compounds
UKCEH and CEH Sections/Science Areas:	_ Atmospheric Sciences
ISSN:	0269-7491
Additional Keywords:	Ammonia, Deposition, Monitoring methods, Network
NORA Subject Terms:	Meteorology and Climatology Ecology and Environment Atmospheric Sciences Chemistry
Date made live:	03 Sep 2008 13:30 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/3591

Item Type:

Publication - Article

Digital Object Identifier (DOI):

10.1016/j.envpol.2004.11.015

Programmes:

CEH Programmes pre-2009 publications > Biogeochemistry > BG01 Measuring and modelling trace gas, aerosol and carbon > BG01.1 UK nitrogen and sulphur compounds

UKCEH and CEH Sections/Science Areas:

_ Atmospheric Sciences

ISSN:

0269-7491

Additional Keywords:

Ammonia, Deposition, Monitoring methods, Network