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Sutton, M. A. (X) Copernicus GmbH (X)

       
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Records: 21 - 40 of 158 - Pages: 
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Gas-particle Interactions Above a Dutch Heathland: I. Surface Exchange Fluxes of NH<Sub>3</Sub>, So<Sub>2</Sub>, Hno<Sub>3</Sub> and Hcl : Volume 4, Issue 2 (15/03/2004)

By: P. A. C. Jongejan; G. P. Wyers; E. Nemitz; M. A. Sutton

...ion: Atmospheric Sciences, Centre for Ecology and Hydrology (CEH), Edinburgh Research Station, Bush Estate, Penicuik, Midlothian, EH26 0QB, Scotland. A field measurement campaign was carried out over a Dutch heathland to investigate the effect of gas-to-particle conversion and ammonium aerosol evaporation on surface/atmosphere fluxes of ammonia and related species. Cont...

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The Role of Long-range Transport and Domestic Emissions in Determining Atmospheric Secondary Inorganic Particle Concentrations Across the Uk : Volume 14, Issue 16 (21/08/2014)

By: S. Hallsworth; D. Famulari; A. J. Dore; M. A. Sutton; D. Leaver; S. Reis; Y. S. Tang; M. Vieno; C. F. Braban; R. M. Doherty; M. R. Heal

... regional atmospheric chemistry transport model and evaluated against measurements. Gas/particle partitioning in the EMEP4UK model simulations used a bulk approach, which may lead to uncertainties in simulated secondary inorganic aerosol. However, model simulations were able to accurately represent both the long-term decadal surface concentrations of particle sulfate ...

...ergström, R., Ceburnis, D., Ellermann, T., Fagerli, H., Frölich, M., Gehrig, R., Makkonen, U., Nemitz, E., Otjes, R., Perez, N., Perrino, C., Prévôt, A. S. H., Putaud, J.-P., Simpson, D., Spindler, G., Vana, M., and Yttri, K. E.: Lessons learnt from the first EMEP intensive measurement periods, Atmos. Chem. Phys., 12, 8073–8094, <a href=http://dx.doi.org/10.5194/acp-12-807...

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Review and Parameterisation of Bi-directional Ammonia Exchange Between Vegetation and the Atmosphere : Volume 10, Issue 4 (20/04/2010)

By: M. A. Sutton; E. Nemitz; R.-s. Massad

... and cuticular resistance (<i>R</i><sub>w</sub>). We here review existing measurements of Χ<sub>s</sub> as well as <i>R</i><sub>w</sub> and compile a comprehensive dataset from which we then propose generalised parameterisations. Χ<sub>s</sub> is related to Γ<sub>s</sub>, the non-dimensional ratio of [NH<sub>4</sub><sup>+</sup>]<sub>apo</sub> and [H<sup>+</sup>]<sub>ap...

...; Andersen, H. V., Hovmand, M. F., Hummelshoj, P., and Jensen, N. O.: Measurements of ammonia concentrations, fluxes and dry deposition velocities to a spruce forest 1991–1995, Atmos. Environ., 33, 1367–1383, 1999.; Cooter, E. J. and Bash, J. O.: A process based ammonia emission model for agricultural soils, NADP Annual meeting and scientific symposium, 8 October, 2009.; B...

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Modelling Surface Ozone During the 2003 Heat Wave in the Uk : Volume 9, Issue 5 (18/09/2009)

By: M. R. Heal; S. Hallsworth; L. Tarrason; M. Vieno; D. Fowler; P. Wind; D. S. Stevenson; S. Reis; A. J. Dore; R. Doherty; M. A. Sutton; D. Simpson

...Description: School of GeoSciences, The University of Edinburgh, UK. A high resolution (5×5 km<sup>2</sup>) UK-scale chemistry-transport model (EMEP4UK) is used to study ground-level ozone (O<sub>3</sub>) during the August 2003 heat-wave. Meteorology is generated by the Weather Research and ...

... of the chemical schemes of the EMEP MSC-W and IVL photochemical trajectory models, Atmos. Environ., 33, 1111–1129, 1999.; Berge, E. and Jakobsen, H. A.: A regional scale multi-layer model for the calculation of long term transport and deposition of air pollution in Europe, Tellus, 50, 205–223, 1998.; Curci, G., Beekmann, M., Vautard, R., Smiatek, G., Steinbrecher, R., The...

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Nitrogen Risk Assessment Model for Scotland: I. Nitrogen Leaching : Volume 8, Issue 2 (30/11/-0001)

By: J. Degroote; A. Lilly; A. J. A. Vinten; M. McGechan; M. A. Sutton; S. M. Dunn

...olicy development. The model uses nationally available data sets of land use, soils, topography and meteorology and has been developed within a Geographic Information System (GIS). The model includes modules to calculate N inputs to the land, residual N remaining at the end of the growing season, weekly time-series of leached N and transport of N at the cat...

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Gas-particle Interactions Above a Dutch Heathland: II. Concentrations and Surface Exchange Fluxes of Atmospheric Particles : Volume 4, Issue 2 (15/03/2004)

By: E. M. Van Putten; R. P. Otjes; G. P. Wyers; M. W. Gallagher; M. A. Sutton; E. Nemitz; M. G. Mennen

...-covariance (EC) and continuous fluxes of ammonium (NH<sub>4</sub><sup>+</sup>) measured with the aerodynamic gradient method (AGM) are reported for a Dutch heathland. Daytime deposition velocities (<i>V</i><sub>d</sub>) by EC with peak values of 5 to 10 mm s<sup>−1</sup> increased with particle diameter (<i>d</i><sub>p</sub>) over the range 0.1–0.5 Μm, and are faster t...

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Surfatm-nh<Sub>3</Sub>: a Model Combining the Surface Energy Balance and Bi-directional Exchanges of Ammonia Applied at the Field Scale : Volume 6, Issue 1 (06/01/2009)

By: B. Loubet; B. Herrmann; M. Mattsson; E. Nemitz; E. Personne; J. K. Schjoerring; M. A. Sutton; P. Cellier

...Description: UMR Environment et Grandes Cultures/INRA – AgroParisTech, 78 850 Thiverval Grignon, France. A new biophysical model SURFATM-NH<sub>3</sub>, simulating the ammonia (NH<sub>3</sub>) exchange between terrestrial ecosystems and the atmosphere is presented. SURFATM-NH<sub>3</sub> consists of two coupled models: (i) an ...

... 1991.; Bates, R. G. and Pinching, G. D.: Dissociation constant of aqueous ammonia at 0 to 50 \unit\degree C from m.f studies of the ammonium salt of a~weak acid, Am. Chem. Soc. J., 72, 1393–1396, 1950.; Bouwman, A. F., Lee, D. S., Asman, W. A. H., Dentener, F. J., and van der Hoek, K. W.: A~global high-resolution emission inventory for ammonia, Global Biogeochem. Cy., 11,...

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Gas-particle Interactions Above a Dutch Heathland: II. Concentrations and Surface Exchange Fluxes of Atmospheric Particles : Volume 4, Issue 4 (02/07/2004)

By: G. P. Wyers; R. P. Otjes; M. A. Sutton; M. G. Mennen; M. W. Gallagher; E. Nemitz; E. M. Van Putten

...covariance (EC) and continuous fluxes of ammonium (NH<sub>4</sub><sup>+</sup>) measured with the aerodynamic gradient method (AGM) are reported for a Dutch heathland. Daytime deposition velocities (<i>V<sub>d</sub></i>) by EC with peak values of 5 to 10 mm s<sup>-1</sup> increased with particle diameter (<i>d<sub>p</sub></i>) over the range 0.1–0.5 µm, and are faster ...

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Surfatm-nh3: a Model Combining the Surface Energy Balance and Bi-directional Exchanges of Ammonia Applied at the Field Scale : Volume 6, Issue 8 (04/08/2009)

By: B. Loubet; B. Herrmann; M. Mattsson; E. Nemitz; J. K. Schjoerring; E. Personne; M. A. Sutton; P. Cellier

...Description: UMR Environment et Grandes Cultures/INRA – AgroParisTech, 78850 Thiverval Grignon, France. A new biophysical model SURFATM-NH3, simulating the ammonia (NH<sub>3</sub>) exchange between terrestrial ecosystems and the atmosphere is presented. SURFATM-NH3 consists of two coupled models: (i) an energy budget model an...

... 29, 277–286, 2003.; Bates, R. G. and Pinching, G. D.: Dissociation constant of aqueous ammonia at 0 to 50°C from m.f studies of the ammonium salt of a weak acid, Am. Chem. Soc. J., 72, 1393–1396, 1950.; Bobbink, R.: Effect of nutrient enrichment in Dutch chalk grassland, J. Appl. Ecol., 28, 28–41, 1991.; Bouwman, A. F., Lee, D. S., Asman, W. A. H., Dentener, F. J., and va...

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The Role of Long-range Transport and Domestic Emissions in Determining Atmospheric Secondary Inorganic Particle Concentrations Across the Uk : Volume 13, Issue 12 (23/12/2013)

By: S. Hallsworth; M. R. Heal; A. J. Dore; D. Famulari; R. M. Doherty; D. Leaver; Y. S. Tang; M. A. Sutton; M. Vieno; S. Reis; C. F. Braban

... less than 1 month duration, in February, March and April. The primary cause of the elevated nitrate levels across the UK was meteorological, a persistent high pressure system, but whose varying location impacted the relative importance of transboundary vs. domestic emissions. Whilst long-range transport dominated the elevated nitrate in February, in co...

...omparison of secondary inorganic aerosol concentrations in the UK with predictions of the Unified Danish Eulerian Model, J. Atmos. Chem., 54, 43–66, <a href=http://dx.doi.org/10.1007/s10874-006-9012-3>doi:10.1007/s10874-006-9012-3</a>, 2006.; Andersson-Skold, Y. and Simpson, D.: Comparison of the chemical schemes of the EMEP MSC-W and IVL photochemical trajectory models, A...

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The Climate Penalty for Clean Fossil Fuel Combustion : Volume 11, Issue 9 (01/09/2011)

By: W. Junkermann; M. A. Sutton; B. Vogel

...Description: Karlsruhe Institute of Technology, IMK-IFU, Garmisch-Partenkirchen, Germany. To cope with the world's growing demand for energy, a large number of coal-fired power plants are currently in operation or under construction. To prevent environmental damage from acidic sulphur and particulate emissions, many such installations are equipped with flue gas ...

...nfeld, J. H.: Disproportionate impact of particulate emissions on global cloud condensation nuclei concentrations, Geophys. Res. Lett., 30(5), 1239, <a href=http://dx.doi.org/10.1029/2002GL016303>doi:10.1029/2002GL016303</a>, 2003.; Arneth, A., Unger, N., Kulmala, M., and Andreae, M. O.: Clean the Air, Heat the Planet?, Science, 326, 672–673, 2009.; Bala, G., Duffy, B., an...

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Towards Validation of Ammonia (NH3) Measurements from the Iasi Satellite : Volume 7, Issue 12 (04/12/2014)

By: E. Dammers; X. Liu; C. Clerbaux; L. Clarisse; P. F. Coheur; C. R. Flechard; W. Xu; M. A. Sutton; Y. S. Tang; C. Galy-lacaux; J. W. Erisman; J. A. Neuman; J. B. Nowak; M. Van Damme

...ue et Photophysique, Université Libre de Bruxelles, Brussels, Belgium. Limited availability of ammonia (NH<sub>3</sub>) observations is currently a barrier for effective monitoring of the nitrogen cycle. It prevents a full understanding of the atmospheric processes in which this trace gas is involved and therefore impedes determining its related budgets. Si...

...aux, C., Yoboué, V., Delon, C., Lacaux, J. P., Castera, P., Gardrat, E., Pienaar, J., Al Ourabi, H., Laouali, D., Diop, B., Sigha-Nkamdjou, L., Akpo, A., Tathy, J. P., Lavenu, F., and Mougin, E.: Long term measurements of sulfur dioxide, nitrogen dioxide, ammonia, nitric acid and ozone in Africa using passive samplers, Atmos. Chem. Phys., 10, 7467–7487, doi:<a href=http://...

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Advection of NH3 Over a Pasture Field, and Its Effect on Gradient Flux Measurements : Volume 6, Issue 1 (06/01/2009)

By: A. Hensen; M. A. Sutton; B. Loubet; J.-w. Erisman; C. Milford; U. Daemmgen; P. Cellier

...on of atmospheric ammonia (NH<sub>3</sub>) to semi-natural ecosystems leads to serious adverse effects, such as acidification and eutrophication. A step in this quantification is the measurement of NH<sub>3</sub> fluxes over semi-natural and agricultural land. However, measurement of NH<sub>3</sub> fluxes over vegetation in the vicinity of strong NH<sub>3</sub>...

...Bouwman, A. F., Lee, D. S., Asman, W. A. H., Dentener, J. F., van de Hoek, K. W., and Olivier, J. J. G.: A~global emission inventory for ammonia, Global. Biogeochem. Cy., 11, 561–587, 1997.; Brost, R. A., Delany, A. C., and Huebert, B...

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Advection of NH3 Over a Pasture Field and Its Effect on Gradient Flux Measurements : Volume 6, Issue 7 (28/07/2009)

By: B. Loubet; J.-w. Erisman; M. A. Sutton; P. Cellier; C. Milford; U. Daemmgen; A. Hensen

...tion of atmospheric ammonia (NH<sub>3</sub>) to semi-natural ecosystems leads to serious adverse effects, such as acidification and eutrophication. A step in quantifying such effects is the measurement of NH<sub>3</sub> fluxes over semi-natural and agricultural land. However, measurement of NH<sub>3</sub> fluxes over vegetation in the vicinity of strong NH<sub>3</sub> ...

...Bouwman, A. F., Lee, D. S., Asman, W. A. H., Dentener, F. J., van der Hoek, K. W., and J.G.J., O.: A global high-resolution emission inventory for ammonia, Global Biogeochem. Cy., 11, 561–587, 1997.; Brost, R. A., Delany, A. C., and H...

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Vertical Structure and Diurnal Variability of Ammonia Exchange Potential Within an Intensively Managed Grass Canopy : Volume 5, Issue 4 (15/07/2008)

By: J. K. Schjoerring; B. Herrmann; C. Milford; M. A. Sutton; P. Cellier; A. Neftel; M. Mattsson; S. Jones

...roscope Reckenholz-Tänikon Research Station ART, Zürich, Switzerland. Stomatal ammonia compensation points (Χ<sub><i>s</i></sub>) of grass species on a mixed fertilized grassland were determined by measurements of apoplastic NH<sub>4</sub><sup>+</sup> and H<sup>+</sup> in the field. Calculated Χ<sub><i>s</i></sub>-values were compared with in-canopy atmospheric NH<sub>3<...

...xchange of ammonia between leaves and the environment: determination of the ammonia compensation point, Plant Physiol. 66, 710–714, 1980.; Harper, L. A., Bussink, D. W., van der Meer, H. G., and Corré, W. J.: Ammonia transport in a temperate grassland, 1: Seasonal transport in relation to soil fertility and crop management, Agron. J., 88, 614–621, 1996.; Herrmann, B., Jone...

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Reactive Nitrogen in Atmospheric Emission Inventories – a Review : Volume 9, Issue 3 (20/05/2009)

By: G. Lijie; M. Zhang; R. W. Pinder; M. A. Sutton; S. Reis

...hich inventories are compiled, and to which extent current inventories meet the needs of atmospheric dispersion modelling. The paper concludes with a discussion of uncertainties involved and a brief outlook on emerging trends in the three regions investigated is conducted. <br><br> Key issues are substantial differences in the overall magnitude, but as well in the r...

...d Its Effect on the Climate and Environment in China, China Meteorological Press, 145–150, 1996.; Bergamaschi, P., Krol, M., Dentener, F., Vermeulen, A., Meinhardt, F., Graul, R., Ramonet, M., Peters, W., and Dlugokencky, E. J.: Inverse modelling of national and European CH<sub>4</sub> emissions using the atmospheric zoom model TM5, Atmos. Chem. Phys., 5, 2431–2460, 2005; ...

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The Influence of Model Grid Resolution on Estimation of National Scale Nitrogen Deposition and Exceedance of Critical Loads : Volume 9, Issue 5 (03/05/2012)

By: M. Vieno; S. Hallsworth; M. Kryza; J. R. Hall; M. A. Sutton; V. J. D. Keller; A. J. Dore

...change model (FRAME) was applied to model the spatial distribution of reactive nitrogen deposition and air concentration over the United Kingdom at a 1 km spatial resolution. The modelled deposition and concentration data were gridded at resolutions of 1 km, 5 km and 50 km to test the sensitivity of calculations of the exceedance of critical loads for nitrogen deposit...

...ronment, Forests and Landscape, Berne, 2003.; Appel, K. W., Foley, K. M., Bash, J. O., Pinder, R. W., Dennis, R. L., Allen, D. J., and Pickering, K.: A multi-resolution assessment of the Community Multiscale Air Quality (CMAQ) model v4.7 wet deposition estimates for 2002–2006, Geosci. Model Dev., 4, 357–371, <a href=http://dx.doi.org/10.5194/gmd-4-357-2011>doi:10.5194/gmd-...

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Reactive Nitrogen in Atmospheric Emission Inventories : Volume 9, Issue 19 (15/10/2009)

By: G. Lijie; M. Zhang; R. W. Pinder; M. A. Sutton; S. Reis

...hich inventories are compiled, and to which extent current inventories meet the needs of atmospheric dispersion modelling. The paper concludes with a discussion of uncertainties involved and a brief outlook on emerging trends in the three regions investigated is conducted. <br><br> Key issues are substantial differences in the overall magnitude, but as well in the r...

...Horváth, L. and Sutton, M. A.: Long term record of ammonia and ammonium concentrations at K-puszta, Hungary, Atmos. Environ., 32, 339–344, 1998.; Akimoto, H. and Narita, H.: Distribution of SO<sub>2</sub>, NO<sub>x</sub> and CO<sub>2</sub> e...

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Estimation of NH<Sub>3</Sub> Emissions from a Naturally Ventilated Livestock Farm Using Local-scale Atmospheric Dispersion Modelling : Volume 6, Issue 12 (04/12/2009)

By: A. Hensen; P. Mikuška; J. W. Erisman; P. Cellier; U. Dämmgen; J. Mosquera; C. Milford; W. C. M. Van Den Bulk; B. Loubet; F. J. Löpmeier; M. A. Sutton

... estimates of the emissions from the main sources, i.e. livestock farms are needed. In this paper, the NH<sub>3</sub> emissions were estimated from a naturally ventilated livestock farm in Braunschweig, Germany during a joint field experiment of the GRAMINAE European project. An inference method was used with a Gaussian-3D plume model and with the Huang 3-D model. NH<...

...Asman, W. A. H.: Ammonia emission in Europe: updated emission and emission variations, Report 228471008, National Institute of Public Health and Environmental Protection (RIVM), Bilthoven, The Netherlands, 1992.; Bobbink, R., Boxman, D...

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Ammonia Fluxes in Relation to Cutting and Fertilization of an Intensively Managed Grassland Derived from an Inter-comparison of Gradient Measurements : Volume 6, Issue 5 (15/05/2009)

By: E. Nemitz; K. J. Hargreaves; M. R. Theobald; S. K. Jones; B. Loubet; P. Cellier; U. Dämmgen; L. Horvath; A. Neftel; C. Milford; M. A. Sutton; J. Raso; A. Hensen

...uired for atmospheric modelling and assessment of nitrogen deposition, yet flux measurement methods remain highly uncertain. To address this issue, a major inter-comparison of ammonia fluxes over intensively managed grassland was conducted during the GRAMINAE Integrated Experiment held in Braunschweig, Germany. In order to provide a robust dataset of ammonia exchange ...

...Sutton, M. A., Nemitz, E., Milford, C., Campbell, C., Erisman, J. W., Hensen, A., Cellier, P., David, M., Loubet, B., Personne, E., Schjoerring, J. K., Mattsson, M., Dorsey, J. R., Gallagher, M. W., Horvath, L., Weidinger, T....

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Vertical Structure and Diurnal Variability of Ammonia Exchange Potential Within an Intensively Managed Grass Canopy : Volume 6, Issue 1 (06/01/2009)

By: S. K. Jones; P. Cellier; M. Mattsson; J. K. Schjoerring; C. Milford; B. Herrmann; A. Neftel; M. A. Sutton

...nikon Research Station ART, Reckenholzstrasse 191, 8046 Zürich, Switzerland. Stomatal ammonia compensation points (Χ<sub>s</sub>) of grass species on a mixed fertilized grassland were determined by measurements of apoplastic [NH<sub>4</sub><sup>+</sup>] and [H><sup>+</sup>] in the field. Calculated Χ<sub>s</sub> values were compared with in-canopy atmospheric NH<sub>3</...

...% vor jede Referenz Burkhardt, J., Flechard, C. R., Gresens, F., Mattsson, M. E., Jongejan, P. A. C., Erisman, J. W., Weidinger, T., Meszaros, R., Nemitz, E., and Sutton, M. A.: Modeling the dynamic chemical interactions of atmospheric ammonia and other trace gases with measured leaf surface wetness in a managed grassl...

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Temporal Variability in Bioassays of the Stomatal Ammonia Compensation Point in Relation to Plant and Soil Nitrogen Parameters in Intensively Managed Grassland : Volume 6, Issue 2 (11/02/2009)

By: M. David; B. Herrmann; B. Loubet; M. R. Theobald; A. Neftel; M. Riedo; M. A. Sutton; M. Mattsson; J. K. Schjoerring; D. Bruhn

...Sciences, Thorvaldsensvej 40, 1871 Frederiksberg C, Copenhagen, Denmark. The exchange of ammonia between crop canopies and the atmosphere depends on a range of plant parameters and climatic conditions. However, little is known about effects of management factors. We have here investigated the stomatal ammonia compensation point in response to cutting and fertilization ...

...Bakken, A. K., Macduff, J. H., and Collison, M.: Dynamics of nitrogen remobilization in defoliated \textitPhleum pratense and \textitFestuca pratensis under short and long photoperiods, Physiol. Plant., 103, 426–436, 1998.; Bloom, A....

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Modelling the Dynamic Chemical Interactions of Atmospheric Ammonia with Leaf Surface Wetness in a Managed Grassland Canopy : Volume 6, Issue 1 (13/01/2009)

By: J. W. Erisman; M. Mattsson; F. Gresens; E. Nemitz; P. A. C. Jongejan; J. Burkhardt; T. Weidinger; C. R. Flechard; M. A. Sutton; R. Meszaros

...oncentrations of dew samples collected from grass were compared to modelled values. <br><br> The measurement period was divided into three phases: a relatively wet phase followed by a dry phase in the first week before the grass was cut, and a second drier week after the cut. While the first two phases were mainly characterised by ammonia deposition and occasional sh...

...ris, R. F.: The ecology and biogeography of microorganisms on plant surfaces, Annu. Rev. Phytopathol., 38, 145–180, 2000.; Barfield, B. J., Payne, F. A., and Walker, J. N.: Surface water storage capacity of selected crop leaves under irrigation sprays, Agr. Meteorol., 12, 105–111, 1973.; Beysens, D., Ohayonc, C., Muselli, M., and Clus, O.: Chemical and biological character...

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Aerosol Fluxes and Particle Growth Above Managed Grassland : Volume 6, Issue 1 (08/01/2009)

By: M. A. Sutton; S. M. Owen; M. W. Gallagher; M. J. Flynn; A. Hensen; E. Nemitz; J. R. Dorsey; J.-w. Erisman; U. Dämmgen

...d selected VOCs, shows that condensation of HNO<sub>3</sub> and NH<sub>3</sub> on the surface of existing particles is responsible for this effect. A novel approach is developed to derive particle growth rates at the field scale, from a combination of measurements of vertical fluxes and particle size-distributions. For the first 9 days after fertilization, growth rate...

...Bouwman, A F., Lee, D S., Asman, W A H., Dentener, F J., van~der~Hoek, K W. and Olivier, J G J.: A global high-resolution emission inventory for ammonia, Global Biogeochem Cy., 11(4), 561~pp., 1997.; Cruz, C N., Dassios, K G., and Pan...

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Aerosol Fluxes and Particle Growth Above Managed Grassland : Volume 6, Issue 8 (12/08/2009)

By: J.-w. Erisman; M. W. Gallagher; M. J. Flynn; E. Nemitz; S. M. Owen; A. Hensen; M. A. Sutton; U. Dämmgen; J. R. Dorsey

...d selected VOCs, shows that condensation of HNO<sub>3</sub> and NH<sub>3</sub> on the surface of existing particles is responsible for this effect. A novel approach is developed to derive particle growth rates at the field scale, from a combination of measurements of vertical fluxes and particle size-distributions. For the first 9 days after fertilization, growth rate...

..., 1097–1111, 2001.; Allan, J. D., Coe, H., Bower, K. N., Williams, P. I., Gallagher, M. W., Alfarra, M. R., Jimenez, J. L., Nemitz, E., and McDonald, A. G.: Quantitative sampling using the Aerodyne Aerosol Mass Spectrometer. Part 2: Measurements of fine particulate chemical composition in two UK cities., J. Geophys. Res.-Atmos., 108, 4091; doi:4010.1029/2002JD002359, 2003....

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Ammonia Sources and Sinks in an Intensively Managed Grassland Canopy : Volume 6, Issue 9 (23/09/2009)

By: M. David; J. K. Schjoerring; M. Mattsson; E. Nemitz; R. Roche; M. A. Sutton; P. Cellier; B. Loubet; M. Riedo

...nst. National de la Recherche Agronomique, UMR Environnement et Grandes Cultures, 78850 Thiverval-Grignon, France. Grasslands represent canopies with a complex structure where sources and sinks of ammonia (NH<sub>3</sub>) may coexist at the plant level. Moreover, management practices such as mowing, hay production and grazing may change the composition of the sward and ...

...Barthes, L., Deleens, E., Bousser, A., Hoarau, J., and Prioul, J. L.: Xylem exudation is related to nitrate assimilation pathway in detopped maize seedlings: Use of nitrate reductase and glutamine synthetase inhibitors as tools, J. Exp. Bot., 47, 485–495, 1996...

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The Import and Export of Organic Nitrogen Species at a Scottish Ombrotrophic Peatland : Volume 12, Issue 1 (09/01/2015)

By: J. Drewer; E. Nemitz; J. N. Cape; M. Z. Özel; U. Skiba; M. W. Gallagher; K. J. Dinsmore; R. M. McKenzie; J. F. Hamilton; M. A. Sutton

...position and export of N, precipitation, stream and soil water samples were collected from an ombrotrophic peatland and analysed for DON Over a two year period. In wet only deposition DON contributed up to 10% of the total dissolved nitrogen (TDN), 99% in soil water, and 75% in stream water. No correlations were observed between DIN and DON in preci...

...Adahchour, M., Beens, J., and Brinkman, U. A. T.: Recent developments in the application of comprehensive two-dimensional gas chromatography, J. Chromatogr. A, 1186, 67–108, 2008.; Adam, F., Bertoncini, F., Brodusch, N., Durand, E., Thiebaut, D., Espinat, D., and Henn...

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