Phase partitioning and dry deposition of atmospheric nitrogen at the mid‐Atlantic U.S. coast

Russell, Kristina M.; Keene, W. C.; Maben, J. R.; Galloway, James N.; Moody, J. L.

doi:10.1029/2003jd003736

Cited by 62 publications

(69 citation statements)

References 56 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The application of the dynamic resistance model from Sutton et al (1998), which uses nonzero X c (NH 3 ) values and takes into account that deposited NH 3 may (re-)evaporate from surfaces, represents a rather conservative N deposition estimate (lower boundary). Since X c (NH 3 ) was assumed to be zero in several studies (Goulding et al, 1998;Russell et al, 2003;Singh et al, 2001;Tarnay et al, 2001), which implies that NH 3 is persistently net deposited to the surface (see Eq. 1), we have complemented the upper and lower bi-directional flux scenarios by additionally calculating a "deposition only" scenario according to Eq.…”

Section: Resistances Nh 3 Canopy Compensation Point Transferand Depmentioning

confidence: 99%

Dry and wet deposition of inorganic nitrogen compounds to a tropical pasture site (Rondônia, Brazil)

Lara²,

et al. 2006

View full text Add to dashboard Cite

Abstract. The input of nitrogen (N) to ecosystems has increased dramatically over the past decades. While total (wet + dry) N deposition has been extensively determined in temperate regions, only very few data sets of N wet deposition exist for tropical ecosystems, and moreover, reliable experimental information about N dry deposition in tropical environments is lacking. In this study we estimate dry and wet deposition of inorganic N for a remote pasture site in the Amazon Basin based on in-situ measurements. The measurements covered the late dry (biomass burning) season, a transition period and the onset of the wet season (clean conditions) (12 September to 14 November 2002) and were a part of the LBA-SMOCC (Large-Scale Biosphere-Atmosphere Experiment in Amazonia -Smoke, Aerosols, Clouds, Rainfall, and Climate) 2002 campaign. Ammonia (NH 3 ), nitric acid (HNO 3 ), nitrous acid (HONO), nitrogen dioxide (NO 2 ), nitric oxide (NO), ozone (O 3 ), aerosol ammonium (NH + 4 ) and aerosol nitrate (NO − 3 ) were measured in real-time, accompanied by simultaneous meteorological measurements. Dry deposition fluxes of NO 2 and HNO 3 are inferred using the "big leaf multiple resistance approach" and particle deposition fluxes are derived using an established empirical parameterization. Bi-directional surface-atmosphere exchange fluxes of NH 3 and HONO are estimated by applying a "canopy compensation point model". N dry and wet deposition is dominated by NH 3 and NH + 4 , which is largely the consequence of biomass burning during the dry season. TheCorrespondence to: I. Trebs (ivonne@mpch-mainz.mpg.de) grass surface appeared to have a strong potential for daytime NH 3 emission, owing to high canopy compensation points, which are related to high surface temperatures and to direct NH 3 emissions from cattle excreta. NO 2 also significantly accounted for N dry deposition, whereas HNO 3 , HONO and N-containing aerosol species were only minor contributors. Ignoring NH 3 emission from the vegetation surface, the annual net N deposition rate is estimated to be about −11 kgN ha −1 yr −1 . If on the other hand, surface-atmosphere exchange of NH 3 is considered to be bi-directional, the annual net N budget at the pasture site is estimated to range from −2.15 to −4.25 kgN ha −1 yr −1 .

show abstract

Section: Resistances Nh 3 Canopy Compensation Point Transferand Depmentioning

confidence: 99%

Dry and wet deposition of inorganic nitrogen compounds to a tropical pasture site (Rondônia, Brazil)

Lara²,

et al. 2006

View full text Add to dashboard Cite

show abstract

“…Existing studies do not identify any simple relationship between organic and inorganic nitrogen in the atmosphere which would be anticipated if the organic material had clear and simple anthropogenic sources. For instance, in sites with relatively high concentrations of nitrate from contaminant sources such as the Delaware coast, organic nitrogen concentrations are not exceptionally high (Russell et al, 2003) and Cape et al (2004) in an extensive study at 7 sites in the UK and Neff et al (2002) found no simple relationship to other inorganic nitrogen components. It is therefore not possible to say with any confidence if this organic nitrogen is of predominantly natural or anthropogenic origins.…”

Section: Organic Nitrogenmentioning

confidence: 99%

“…Most studies to date have focussed on organic matter that is either soluble in rainwater or easily extracted by water from aerosols (Cornell et al, 2003) but one study also considered insoluble organic N and noted it to be much more abundant than the soluble organic fraction (Russell et al, 2003). The nature and sources of atmospheric organic nitrogen are largely unknown, and it is undoubtedly composed of a wide range of organic material.…”

Section: Organic Nitrogenmentioning

confidence: 99%

“…Atmospheric deposition rates increase rapidly with particle size. and Russell et al (2003) have estimated that the reaction with seasalt increases deposition rates of nitrate in the marine environment by increasing particle size and deposition rates and this offsets the effects of the removal of highly reactive nitric acid (Pryor and Sørenson, 2002).…”

Section: Reactionsmentioning

confidence: 99%

“…In both remote and more contaminated areas the organic nitrogen has an important fine mode aerosol component suggesting it is formed from gas to particle reactions, although a coarse mode from primary sources is also seen. (Cornell et al, 2001;Mace et al, 2003c;Russell et al, 2003). Seitzinger and Sanders (1999) have suggested that a significant fraction of atmospheric organic nitrogen may be bioavailable.…”

Section: Organic Nitrogenmentioning

confidence: 99%

See 2 more Smart Citations

The role of air-sea exchange in the marine nitrogen cycle

Jickells

2006

Biogeosciences

View full text Add to dashboard Cite

Abstract. This contribution to the Spot-On volume considers the magnitude and composition of atmospheric nitrogen inputs to the oceans and then goes on to consider the impacts of these inputs. Effects in open ocean and coastal areas are probably different. Offshore atmospheric inputs may produce a small enhancement of overall ocean productivity and hence CO 2 drawdown. In coastal waters atmospheric inputs contribute significantly to overall eutrophication pressure, but evidence that they trigger algal blooms is limited. Management of atmospheric inputs to coastal waters to mitigate eutrophication pressures requires that emissions be managed over a wide area reflecting the efficient long range transport of atmospheric nitrogen. Strategies for management of oxidised and reduced nitrogen deposition will be different reflecting their different rates of deposition.

show abstract

Nitrogen, Aerosol Composition, and Halogens on a Tall Tower (NACHTT): Overview of a wintertime air chemistry field study in the front range urban corridor of Colorado

et al. 2013

Self Cite

View full text Add to dashboard Cite

[1] The Nitrogen, Aerosol Composition, and Halogens on a Tall Tower (NACHTT) field experiment took place during late winter, 2011, at a site 33 km north of Denver, Colorado. The study included fixed-height measurements of aerosols, soluble trace gases, and volatile organic compounds near surface level, as well as vertically resolved measurements of nitrogen oxides, aerosol composition, soluble gas-phase acids, and halogen species from 3 to 270 m above ground level. There were 1928 individual profiles during the three-week campaign to characterize trace gas and aerosol distributions in the lower levels of the boundary layer. Nitrate and ammonium dominated the ionic composition of aerosols and originated primarily from local or regional sources. Sulfate and organic matter were also significant and were associated primarily with longer-range transport to the region. Aerosol chloride was associated primarily with supermicron size fractions and was always present in excess of gas-phase chlorine compounds. The nighttime radical reservoirs, nitryl chloride, ClNO 2 , and nitrous acid, HONO, were both consistently present in nighttime urban air. Nitryl chloride was especially pronounced in plumes from large point sources sampled aloft at night. Nitrous acid was typically most concentrated near the ground surface and was the dominant contributor (80%) to diurnally averaged primary OH radical production in near-surface air. Large observed mixing ratios of light alkanes, both in near-surface air and aloft, were attributable to local emissions from oil and gas activities.

show abstract

Phase partitioning and dry deposition of atmospheric nitrogen at the mid‐Atlantic U.S. coast

Cited by 62 publications

References 56 publications

Dry and wet deposition of inorganic nitrogen compounds to a tropical pasture site (Rondônia, Brazil)

Dry and wet deposition of inorganic nitrogen compounds to a tropical pasture site (Rondônia, Brazil)

The role of air-sea exchange in the marine nitrogen cycle

Nitrogen, Aerosol Composition, and Halogens on a Tall Tower (NACHTT): Overview of a wintertime air chemistry field study in the front range urban corridor of Colorado

Contact Info

Product

Resources

About