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Ship emitted NO2 in the Indian Ocean: comparison of model results with satellite data

Franke, Klaus und Richter, Andreas und Bovensmann, Heinrich und Eyring, Veronika und Jöckel, Patrick und Hoor, Peter und Burrows, John P. (2009) Ship emitted NO2 in the Indian Ocean: comparison of model results with satellite data. Atmospheric Chemistry and Physics, 9, Seiten 7289-7301.

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Offizielle URL: http://www.atmos-chem-phys.net/9/7289/2009/acp-9-7289-2009.html

Kurzfassung

The inventory of NOx emission from international shipping has been evaluated by comparing NO2 tropospheric columns derived from the satellite instruments SCIAMACHY (January 2003 to February 2008), GOME (January 1996 to June 2003), and GOME-2 (March 2007 to February 2008) to NO2 columns calculated with the atmospheric chemistry general circulation model ECHAM5/MESSy1 (January 2000 to October 2005). For both measurements and model consistently the tropospheric excess method was used to obtain mean NO2 columns over the shipping lane from India to Indonesia, and over two ship free regions, the Bay of Bengal and the central Indian Ocean. The long-term data set from SCIAMACHY yields the first monthly analysis of ship induced NO2 enhancements in the Indian Ocean. Comparison of data from the three instruments and in addition OMI reveals differences between the datasets which are discussed with respect to the diurnal cycle of NO2 and the increase in shipping traffic over the time period studied. In general, the model simulates the differences between the regions affected by ship pollution and ship free regions reasonably well. Minor discrepancies between model results and satellite data were identified during biomass burning seasons in March to May over India and the Indochinese Peninsula and August to October over Indonesia. We conclude that the NOx ship emission inventory used in this study is a good approximation of NOx ship emissions in the Indian Ocean for the years 2002 to 2007. It assumes that around 6 Tg(N) yr−1 are emitted by international shipping globally, resulting in 90 Gg(N) yr−1 in the region of interest when using Automated Mutual Assistance Vessel Rescue System (AMVER) as spatial proxy. A second model run using lower ship emissions estimates of 3–4 Tg(N) yr−1 globally results in poorer agreement with the satellite data.

Dokumentart:Zeitschriftenbeitrag
Titel:Ship emitted NO2 in the Indian Ocean: comparison of model results with satellite data
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Franke, KlausUniv. of Bremen
Richter, AndreasUniv. of Bremen
Bovensmann, HeinrichUniv. of Bremen
Eyring, VeronikaNICHT SPEZIFIZIERT
Jöckel, PatrickMPI für Chemie, Mainz
Hoor, PeterMPI f. Chemie, Mainz
Burrows, John P.Univ. of Bremen
Datum:2009
Erschienen in:Atmospheric Chemistry and Physics
Referierte Publikation:Ja
In Open Access:Ja
In SCOPUS:Ja
In ISI Web of Science:Ja
Band:9
Seitenbereich:Seiten 7289-7301
Status:veröffentlicht
Stichwörter:Transport, Oceangoing shipping, Ozone, NOx
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Verkehr
HGF - Programmthema:Verkehrssystem
DLR - Schwerpunkt:Verkehr
DLR - Forschungsgebiet:V VS - Verkehrssystem
DLR - Teilgebiet (Projekt, Vorhaben):V - Umweltwirkungen des Verkehrs (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Physik der Atmosphäre > Dynamik der Atmosphäre
Hinterlegt von: PD Dr. habil. Veronika Eyring
Hinterlegt am:03 Dez 2009 16:40
Letzte Änderung:26 Mär 2013 13:12

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