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| Titel: |
Increased Northern Hemispheric carbon monoxide burden in the troposphere in 2002 and 2003 detected from the ground and from space |
| Auteur: |
L. N. Yurganov P. Duchatelet A. V. Dzhola D. P. Edwards F. Hase I. Kramer E. Mahieu J. Mellqvist J. Notholt P. C. Novelli A. Rockmann H. E. Scheel M. Schneider A. Schulz A. Strandberg R. Sussmann H. Tanimoto V. Velazco J. R. Drummond J. C. Gille |
| Verschenen in: |
Atmospheric chemistry and physics |
| Paginering: | Jaargang 5 (2005) nr. 2 pagina's 563-573 |
| Jaar: |
2005 |
| Inhoud: |
Carbon monoxide total column amounts in the atmosphere have been measured in the High Northern Hemisphere (30°-90° N, HNH) between January 2002 and December 2003 using infrared spectrometers of high and moderate resolution and the Sun as a light source. They were compared to ground-level CO mixing ratios and to total column amounts measured from space by the Terra/MOPITT instrument. All these data reveal increased CO abundances in 2002-2003 in comparison to the unperturbed 2000-2001 period. Maximum anomalies were observed in September 2002 and August 2003. Using a simple two-box model, the corresponding annual CO emission anomalies (referenced to 2000-2001 period) have been found equal to 95Tg in 2002 and 130Tg in 2003, thus close to those for 1996 and 1998. A good correlation with hot spots detected by a satellite radiometer allows one to assume strong boreal forest fires, occurred mainly in Russia, as a source of the increased CO burdens. |
| Uitgever: |
Copernicus GmbH (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 11 van 24 gevonden artikelen
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