Ship emissions measurement in the Arctic by plume intercepts of the Canadian Coast Guard icebreaker Amundsen from the Polar 6 aircraft platform

Publikationstyp:
Zeitschriftenaufsatz
Metadaten:
Autoren
  • Amir A Aliabadi
  • Jennie L Thomas
  • Andreas B Herber
  • Ralf M Staebler
  • W Richard Leaitch
  • Hannes Schulz
  • Kathy S Law
  • Louis Marelle
  • Julia Burkart
  • Megan D Willis
  • Heiko Bozem
  • Peter M Hoor
  • Franziska Koellner
  • Johannes Schneider
  • Maurice Levasseur
  • Jonathan PD Abbatt
Autoren-URL
https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=fis-test-1&SrcAuth=WosAPI&KeyUT=WOS:000379417300027&DestLinkType=FullRecord&DestApp=WOS_CPL
DOI
10.5194/acp-16-7899-2016
eISSN
1680-7324
Externe Identifier
  • Clarivate Analytics Document Solution ID: DQ7VZ
ISSN
1680-7316
Ausgabe der Veröffentlichung
12
Zeitschrift
ATMOSPHERIC CHEMISTRY AND PHYSICS
Paginierung
7899 - 7916
Datum der Veröffentlichung
2016
Status
Published
Titel
Ship emissions measurement in the Arctic by plume intercepts of the Canadian Coast Guard icebreaker <i>Amundsen</i> from the <i>Polar 6</i> aircraft platform
Sub types
  • Article
Ausgabe der Zeitschrift
16

Datenquelle: Web of Science (Lite)

Andere Metadatenquellen:
Abstract
<jats:p>Abstract. Decreasing sea ice and increasing marine navigability in northern latitudes have changed Arctic ship traffic patterns in recent years and are predicted to increase annual ship traffic in the Arctic in the future. Development of effective regulations to manage environmental impacts of shipping requires an understanding of ship emissions and atmospheric processing in the Arctic environment. As part of the summer 2014 NETCARE (Network on Climate and Aerosols) campaign, the plume dispersion and gas and particle emission factors of effluents originating from the Canadian Coast Guard icebreaker Amundsen operating near Resolute Bay, NU, Canada, were investigated. The Amundsen burned distillate fuel with 1.5 wt % sulfur. Emissions were studied via plume intercepts using the Polar 6 aircraft measurements, an analytical plume dispersion model, and using the FLEXPART-WRF Lagrangian particle dispersion model. The first plume intercept by the research aircraft was carried out on 19 July 2014 during the operation of the Amundsen in the open water. The second and third plume intercepts were carried out on 20 and 21 July 2014 when the Amundsen had reached the ice edge and operated under ice-breaking conditions. Typical of Arctic marine navigation, the engine load was low compared to cruising conditions for all of the plume intercepts. The measured species included mixing ratios of CO2, NOx, CO, SO2, particle number concentration (CN), refractory black carbon (rBC), and cloud condensation nuclei (CCN). The results were compared to similar experimental studies in mid-latitudes. Plume expansion rates (γ) were calculated using the analytical model and found to be γ  =  0.75 ± 0.81, 0.93 ± 0.37, and 1.19 ± 0.39 for plumes 1, 2, and 3, respectively. These rates were smaller than prior studies conducted at mid-latitudes, likely due to polar boundary layer dynamics, including reduced turbulent mixing compared to mid-latitudes. All emission factors were in agreement with prior observations at low engine loads in mid-latitudes. Ice-breaking increased the NOx emission factor from EFNOx  =  43.1 ± 15.2 to 71.6 ± 9.68 and 71.4 ± 4.14 g kg-diesel−1 for plumes 1, 2, and 3, likely due to changes in combustion temperatures. The CO emission factor was EFCO  =  137 ± 120, 12.5 ± 3.70 and 8.13 ± 1.34 g kg-diesel−1 for plumes 1, 2, and 3. The rBC emission factor was EFrBC  =  0.202 ± 0.052 and 0.202 ± 0.125 g kg-diesel−1 for plumes 1 and 2. The CN emission factor was reduced while ice-breaking from EFCN  =  2.41 ± 0.47 to 0.45 ± 0.082 and 0.507 ± 0.037  ×  1016 kg-diesel−1 for plumes 1, 2, and 3. At 0.6 % supersaturation, the CCN emission factor was comparable to observations in mid-latitudes at low engine loads with EFCCN  =  3.03 ± 0.933, 1.39 ± 0.319, and 0.650 ± 0.136  ×  1014 kg-diesel−1 for plumes 1, 2, and 3. </jats:p>
Autoren
  • Amir A Aliabadi
  • Jennie L Thomas
  • Andreas B Herber
  • Ralf M Staebler
  • W Richard Leaitch
  • Hannes Schulz
  • Kathy S Law
  • Louis Marelle
  • Julia Burkart
  • Megan D Willis
  • Heiko Bozem
  • Peter M Hoor
  • Franziska Köllner
  • Johannes Schneider
  • Maurice Levasseur
  • Jonathan PD Abbatt
DOI
10.5194/acp-16-7899-2016
eISSN
1680-7324
Ausgabe der Veröffentlichung
12
Zeitschrift
Atmospheric Chemistry and Physics
Sprache
en
Online publication date
2016
Paginierung
7899 - 7916
Status
Published online
Herausgeber
Copernicus GmbH
Herausgeber URL
http://dx.doi.org/10.5194/acp-16-7899-2016
Datum der Datenerfassung
2021
Titel
Ship emissions measurement in the Arctic by plume intercepts of the Canadian Coast Guard icebreaker &amp;lt;i&amp;gt;Amundsen&amp;lt;/i&amp;gt; from the &amp;lt;i&amp;gt;Polar 6&amp;lt;/i&amp;gt; aircraft platform
Ausgabe der Zeitschrift
16

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