Investigations into free tropospheric new particle formation in the central Canadian arctic during the winter/spring transition as part of TOPSE
In this paper, we investigate the role of in situ new particle production in the central Canadian sub-Arctic and Arctic as part of the TOPSE experiment. Airborne measurements conducted primarily in the free troposphere were made from 50° to 90°W longitude and 60° to 85°N latitude during the period f...
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ftuninhampshire:oai:scholars.unh.edu:earthsci_facpub-1134 2023-05-15T14:50:22+02:00 Investigations into free tropospheric new particle formation in the central Canadian arctic during the winter/spring transition as part of TOPSE Weber, R J Orsini, D A Wang, B Scheuer, Eric Talbot, R. Dibb, Jack E. Seid, Garry Debell, Linsey J Mauldin, R L Kosciuch, E Cantrell, C A Eisele, Fred 2003-02-27T08:00:00Z application/pdf https://scholars.unh.edu/earthsci_facpub/135 https://scholars.unh.edu/cgi/viewcontent.cgi?article=1134&context=earthsci_facpub unknown University of New Hampshire Scholars' Repository https://scholars.unh.edu/earthsci_facpub/135 https://scholars.unh.edu/cgi/viewcontent.cgi?article=1134&context=earthsci_facpub Copyright 2003 by the American Geophysical Union. Earth Sciences Scholarship Homogeneous nucleation aerosols nanoparticles arctic haze Atmospheric Sciences text 2003 ftuninhampshire 2023-01-30T21:34:20Z In this paper, we investigate the role of in situ new particle production in the central Canadian sub-Arctic and Arctic as part of the TOPSE experiment. Airborne measurements conducted primarily in the free troposphere were made from 50° to 90°W longitude and 60° to 85°N latitude during the period from February to May 2000. Data pertinent to this paper include 3–4 nm diameter (Dp) particles, ultrafine condensation nuclei (Dp > 3 nm), fine particles (0.2 < Dp < 3 μm), and the possible nucleation precursor, sulfuric acid, and its precursor, sulfur dioxide. For data averaged over this period, most species showed little evidence for a latitudinal trend. Fine aerosol number concentrations, however, showed a slight increase with latitude. The evolution of various species concentrations over the period of the study show that fine particles also had a consistent temporal trend, increasing at all altitudes from February to May, whereas sulfur dioxide at the surface tended to peak in late March. Ultrafine condensation nuclei and 3–4 nm particles showed no temporal trends. Little evidence for in situ new particle production was observed during the study, except for one atypical event where SO2concentrations were 3.5 ppbv, 2 orders of magnitude higher than typical levels. This paper cannot address the question of whether the observed condensation nuclei were produced in situ by a low particle production rate or transported from lower latitudes. Text Arctic University of New Hampshire: Scholars Repository Arctic |
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Open Polar |
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University of New Hampshire: Scholars Repository |
op_collection_id |
ftuninhampshire |
language |
unknown |
topic |
Homogeneous nucleation aerosols nanoparticles arctic haze Atmospheric Sciences |
spellingShingle |
Homogeneous nucleation aerosols nanoparticles arctic haze Atmospheric Sciences Weber, R J Orsini, D A Wang, B Scheuer, Eric Talbot, R. Dibb, Jack E. Seid, Garry Debell, Linsey J Mauldin, R L Kosciuch, E Cantrell, C A Eisele, Fred Investigations into free tropospheric new particle formation in the central Canadian arctic during the winter/spring transition as part of TOPSE |
topic_facet |
Homogeneous nucleation aerosols nanoparticles arctic haze Atmospheric Sciences |
description |
In this paper, we investigate the role of in situ new particle production in the central Canadian sub-Arctic and Arctic as part of the TOPSE experiment. Airborne measurements conducted primarily in the free troposphere were made from 50° to 90°W longitude and 60° to 85°N latitude during the period from February to May 2000. Data pertinent to this paper include 3–4 nm diameter (Dp) particles, ultrafine condensation nuclei (Dp > 3 nm), fine particles (0.2 < Dp < 3 μm), and the possible nucleation precursor, sulfuric acid, and its precursor, sulfur dioxide. For data averaged over this period, most species showed little evidence for a latitudinal trend. Fine aerosol number concentrations, however, showed a slight increase with latitude. The evolution of various species concentrations over the period of the study show that fine particles also had a consistent temporal trend, increasing at all altitudes from February to May, whereas sulfur dioxide at the surface tended to peak in late March. Ultrafine condensation nuclei and 3–4 nm particles showed no temporal trends. Little evidence for in situ new particle production was observed during the study, except for one atypical event where SO2concentrations were 3.5 ppbv, 2 orders of magnitude higher than typical levels. This paper cannot address the question of whether the observed condensation nuclei were produced in situ by a low particle production rate or transported from lower latitudes. |
format |
Text |
author |
Weber, R J Orsini, D A Wang, B Scheuer, Eric Talbot, R. Dibb, Jack E. Seid, Garry Debell, Linsey J Mauldin, R L Kosciuch, E Cantrell, C A Eisele, Fred |
author_facet |
Weber, R J Orsini, D A Wang, B Scheuer, Eric Talbot, R. Dibb, Jack E. Seid, Garry Debell, Linsey J Mauldin, R L Kosciuch, E Cantrell, C A Eisele, Fred |
author_sort |
Weber, R J |
title |
Investigations into free tropospheric new particle formation in the central Canadian arctic during the winter/spring transition as part of TOPSE |
title_short |
Investigations into free tropospheric new particle formation in the central Canadian arctic during the winter/spring transition as part of TOPSE |
title_full |
Investigations into free tropospheric new particle formation in the central Canadian arctic during the winter/spring transition as part of TOPSE |
title_fullStr |
Investigations into free tropospheric new particle formation in the central Canadian arctic during the winter/spring transition as part of TOPSE |
title_full_unstemmed |
Investigations into free tropospheric new particle formation in the central Canadian arctic during the winter/spring transition as part of TOPSE |
title_sort |
investigations into free tropospheric new particle formation in the central canadian arctic during the winter/spring transition as part of topse |
publisher |
University of New Hampshire Scholars' Repository |
publishDate |
2003 |
url |
https://scholars.unh.edu/earthsci_facpub/135 https://scholars.unh.edu/cgi/viewcontent.cgi?article=1134&context=earthsci_facpub |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
Earth Sciences Scholarship |
op_relation |
https://scholars.unh.edu/earthsci_facpub/135 https://scholars.unh.edu/cgi/viewcontent.cgi?article=1134&context=earthsci_facpub |
op_rights |
Copyright 2003 by the American Geophysical Union. |
_version_ |
1766321407948488704 |