Phase partitioning and dry deposition of atmospheric nitrogen at the mid-Atlantic US coast. Russell, K. M., William, C. K., Maben, J. R., Galloway, J., & Moody, J. L. Journal of Geophysical Research-Atmospheres, 2003. ![Phase partitioning and dry deposition of atmospheric nitrogen at the mid-Atlantic US coast [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper abstract bibtex [1] The deposition of atmospheric nitrogen contributes significantly to total nitrogen (TN) entering U. S. coastal water bodies. Nitrogen inputs via wet deposition are well quantified but dry-deposition fluxes are uncertain. In this study, dry fluxes of major atmospheric nitrogen species ( including gaseous NH3 and HNO3 and particulate NH4+, NO3-, NO2-, and organic nitrogen (ON)) were quantified during a 2-week summer sampling period at Lewes, Delaware, on the mid-Atlantic U. S. coast. Results indicate that dry deposition contributed approximately 43% to total atmospheric nitrogen deposition. Under all flow conditions, NH3(g) accounted for the largest fraction of TN dry deposition ( averaging 60%); HNO3(g) and NO3- also contributed considerably ( averaging 25 and 8%, respectively). During onshore flow, scavenging of HNO3(g) by sea-salt aerosols shifted the phase partitioning and relative dry fluxes of total NO3 (HNO3(g) + NO3-) toward particulate NO3-. The mass-weighted deposition velocities for particulate NO3- ( associated primarily with sea-salt size fractions) were similar to those of HNO3(g). Consequently, phase changes did not substantially alter the dry-deposition fluxes of total NO3. In light of these results, dry-deposition monitoring programs at coastal locations should (1) quantify NH3(g) deposition; (2) reliably sample supermicron particles ( with which most particulate NO3- is associated); and (3) apply deposition models for particulate nitrogen that are consistent with corresponding size distributions.
@article{russell_phase_2003,
title = {Phase partitioning and dry deposition of atmospheric nitrogen at the mid-{Atlantic} {US} coast},
volume = {108},
url = {://000186396400002},
abstract = {[1] The deposition of atmospheric nitrogen contributes significantly to total nitrogen (TN) entering U. S. coastal water bodies. Nitrogen inputs via wet deposition are well quantified but dry-deposition fluxes are uncertain. In this study, dry fluxes of major atmospheric nitrogen species ( including gaseous NH3 and HNO3 and particulate NH4+, NO3-, NO2-, and organic nitrogen (ON)) were quantified during a 2-week summer sampling period at Lewes, Delaware, on the mid-Atlantic U. S. coast. Results indicate that dry deposition contributed approximately 43\% to total atmospheric nitrogen deposition. Under all flow conditions, NH3(g) accounted for the largest fraction of TN dry deposition ( averaging 60\%); HNO3(g) and NO3- also contributed considerably ( averaging 25 and 8\%, respectively). During onshore flow, scavenging of HNO3(g) by sea-salt aerosols shifted the phase partitioning and relative dry fluxes of total NO3 (HNO3(g) + NO3-) toward particulate NO3-. The mass-weighted deposition velocities for particulate NO3- ( associated primarily with sea-salt size fractions) were similar to those of HNO3(g). Consequently, phase changes did not substantially alter the dry-deposition fluxes of total NO3. In light of these results, dry-deposition monitoring programs at coastal locations should (1) quantify NH3(g) deposition; (2) reliably sample supermicron particles ( with which most particulate NO3- is associated); and (3) apply deposition models for particulate nitrogen that are consistent with corresponding size distributions.},
number = {D21},
journal = {Journal of Geophysical Research-Atmospheres},
author = {Russell, Kristina M. and William, C. K. and Maben, J. R. and Galloway, J.N. and Moody, J. L.},
year = {2003},
keywords = {ammonia, VCR, precipitation, organic nitrogen, united-states, sea, aerosol, atmospheric nitrogen, dry deposition, nitric-acid, particle-size, polluted marine air, sea-salt aerosols water-soluble nitrogen}
}
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In this study, dry fluxes of major atmospheric nitrogen species ( including gaseous NH3 and HNO3 and particulate NH4+, NO3-, NO2-, and organic nitrogen (ON)) were quantified during a 2-week summer sampling period at Lewes, Delaware, on the mid-Atlantic U. S. coast. Results indicate that dry deposition contributed approximately 43% to total atmospheric nitrogen deposition. Under all flow conditions, NH3(g) accounted for the largest fraction of TN dry deposition ( averaging 60%); HNO3(g) and NO3- also contributed considerably ( averaging 25 and 8%, respectively). During onshore flow, scavenging of HNO3(g) by sea-salt aerosols shifted the phase partitioning and relative dry fluxes of total NO3 (HNO3(g) + NO3-) toward particulate NO3-. The mass-weighted deposition velocities for particulate NO3- ( associated primarily with sea-salt size fractions) were similar to those of HNO3(g). Consequently, phase changes did not substantially alter the dry-deposition fluxes of total NO3. In light of these results, dry-deposition monitoring programs at coastal locations should (1) quantify NH3(g) deposition; (2) reliably sample supermicron particles ( with which most particulate NO3- is associated); and (3) apply deposition models for particulate nitrogen that are consistent with corresponding size distributions.","number":"D21","journal":"Journal of Geophysical Research-Atmospheres","author":[{"propositions":[],"lastnames":["Russell"],"firstnames":["Kristina","M."],"suffixes":[]},{"propositions":[],"lastnames":["William"],"firstnames":["C.","K."],"suffixes":[]},{"propositions":[],"lastnames":["Maben"],"firstnames":["J.","R."],"suffixes":[]},{"propositions":[],"lastnames":["Galloway"],"firstnames":["J.N."],"suffixes":[]},{"propositions":[],"lastnames":["Moody"],"firstnames":["J.","L."],"suffixes":[]}],"year":"2003","keywords":"ammonia, VCR, precipitation, organic nitrogen, united-states, sea, aerosol, atmospheric nitrogen, dry deposition, nitric-acid, particle-size, polluted marine air, sea-salt aerosols water-soluble nitrogen","bibtex":"@article{russell_phase_2003,\n\ttitle = {Phase partitioning and dry deposition of atmospheric nitrogen at the mid-{Atlantic} {US} coast},\n\tvolume = {108},\n\turl = {://000186396400002},\n\tabstract = {[1] The deposition of atmospheric nitrogen contributes significantly to total nitrogen (TN) entering U. S. coastal water bodies. Nitrogen inputs via wet deposition are well quantified but dry-deposition fluxes are uncertain. In this study, dry fluxes of major atmospheric nitrogen species ( including gaseous NH3 and HNO3 and particulate NH4+, NO3-, NO2-, and organic nitrogen (ON)) were quantified during a 2-week summer sampling period at Lewes, Delaware, on the mid-Atlantic U. S. coast. Results indicate that dry deposition contributed approximately 43\\% to total atmospheric nitrogen deposition. Under all flow conditions, NH3(g) accounted for the largest fraction of TN dry deposition ( averaging 60\\%); HNO3(g) and NO3- also contributed considerably ( averaging 25 and 8\\%, respectively). During onshore flow, scavenging of HNO3(g) by sea-salt aerosols shifted the phase partitioning and relative dry fluxes of total NO3 (HNO3(g) + NO3-) toward particulate NO3-. 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