Seasonal and interannual variations of HCN amounts in the upper troposphere and lower stratosphere observed by MIPAS
We present a HCN climatology of the years 2002-2012, derived from FTIR limb emission spectra measured with the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on the ENVISAT satellite, with the main focus on biomass burning signatures in the upper troposphere and lower stratosphere...
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European Geosciences Union
2015
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ftubkarlsruhe:oai:EVASTAR-Karlsruhe.de:1000046050 2023-05-15T13:54:20+02:00 Seasonal and interannual variations of HCN amounts in the upper troposphere and lower stratosphere observed by MIPAS Glatthor, N. Höpfner, M. Stiller, G. P. Clarmann, T. von Funke, B. Lossow, S. Eckert, E. Grabowski, U. Kellmann, S. Linden, A. Walker, K. A. Wiegele, A. 2015-03-02 application/pdf https://publikationen.bibliothek.kit.edu/1000046050 https://publikationen.bibliothek.kit.edu/1000046050/3434452 https://doi.org/10.5445/IR/1000046050 http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:swb:90-460508 eng eng European Geosciences Union info:eu-repo/semantics/altIdentifier/wos/000347958500001 info:eu-repo/semantics/altIdentifier/doi/10.5194/acp-15-563-2015 info:eu-repo/semantics/altIdentifier/issn/1680-7316 https://publikationen.bibliothek.kit.edu/1000046050 https://publikationen.bibliothek.kit.edu/1000046050/3434452 https://doi.org/10.5445/IR/1000046050 http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:swb:90-460508 KITopen License, https://publikationen.bibliothek.kit.edu/kitopen-lizenz info:eu-repo/semantics/openAccess Atmospheric Chemistry and Physics, 15 (2), 563-582 ISSN: 1680-7316 annual variation atmospheric chemistry biomass burning inorganic compound MIPAS seasonal variation Southern Hemisphere stratosphere tracer troposphere Indonesia South America Southern Africa ddc:550 Earth sciences info:eu-repo/classification/ddc/550 doc-type:article Text info:eu-repo/semantics/article article info:eu-repo/semantics/publishedVersion 2015 ftubkarlsruhe https://doi.org/10.5445/IR/1000046050 https://doi.org/10.5194/acp-15-563-2015 2022-03-23T18:44:04Z We present a HCN climatology of the years 2002-2012, derived from FTIR limb emission spectra measured with the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on the ENVISAT satellite, with the main focus on biomass burning signatures in the upper troposphere and lower stratosphere. HCN is an almost unambiguous tracer of biomass burning with a tropospheric lifetime of 5-6 months and a stratospheric lifetime of about 2 years. The MIPAS climatology is in good agreement with the HCN distribution obtained by the spaceborne ACE-FTS experiment and with airborne in situ measurements performed during the INTEX-B campaign. The HCN amounts observed by MIPAS in the southern tropical and subtropical upper troposphere have an annual cycle peaking in October-November, i.e. 1-2 months after the maximum of southern hemispheric fire emissions. The probable reason for the time shift is the delayed onset of deep convection towards austral summer. Because of overlap of varying biomass burning emissions from South America and southern Africa with sporadically strong contributions from Indonesia, the size and strength of the southern hemispheric plume have considerable interannual variations, with monthly mean maxima at, for example, 14 km between 400 and more than 700 pptv. Within 1-2 months after appearance of the plume, a considerable portion of the enhanced HCN is transported southward to as far as Antarctic latitudes. The fundamental period of HCN variability in the northern upper troposphere is also an annual cycle with varying amplitude, which in the tropics peaks in May after and during the biomass burning seasons in northern tropical Africa and southern Asia, and in the subtropics peaks in July due to trapping of pollutants in the Asian monsoon anticyclone (AMA). However, caused by extensive biomass burning in Indonesia and by northward transport of part of the southern hemispheric plume, northern HCN maxima also occur around October/November in several years, which leads to semi-annual cycles. There is ... Article in Journal/Newspaper Antarc* Antarctic KITopen (Karlsruhe Institute of Technologie) Antarctic Austral |
institution |
Open Polar |
collection |
KITopen (Karlsruhe Institute of Technologie) |
op_collection_id |
ftubkarlsruhe |
language |
English |
topic |
annual variation atmospheric chemistry biomass burning inorganic compound MIPAS seasonal variation Southern Hemisphere stratosphere tracer troposphere Indonesia South America Southern Africa ddc:550 Earth sciences info:eu-repo/classification/ddc/550 |
spellingShingle |
annual variation atmospheric chemistry biomass burning inorganic compound MIPAS seasonal variation Southern Hemisphere stratosphere tracer troposphere Indonesia South America Southern Africa ddc:550 Earth sciences info:eu-repo/classification/ddc/550 Glatthor, N. Höpfner, M. Stiller, G. P. Clarmann, T. von Funke, B. Lossow, S. Eckert, E. Grabowski, U. Kellmann, S. Linden, A. Walker, K. A. Wiegele, A. Seasonal and interannual variations of HCN amounts in the upper troposphere and lower stratosphere observed by MIPAS |
topic_facet |
annual variation atmospheric chemistry biomass burning inorganic compound MIPAS seasonal variation Southern Hemisphere stratosphere tracer troposphere Indonesia South America Southern Africa ddc:550 Earth sciences info:eu-repo/classification/ddc/550 |
description |
We present a HCN climatology of the years 2002-2012, derived from FTIR limb emission spectra measured with the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on the ENVISAT satellite, with the main focus on biomass burning signatures in the upper troposphere and lower stratosphere. HCN is an almost unambiguous tracer of biomass burning with a tropospheric lifetime of 5-6 months and a stratospheric lifetime of about 2 years. The MIPAS climatology is in good agreement with the HCN distribution obtained by the spaceborne ACE-FTS experiment and with airborne in situ measurements performed during the INTEX-B campaign. The HCN amounts observed by MIPAS in the southern tropical and subtropical upper troposphere have an annual cycle peaking in October-November, i.e. 1-2 months after the maximum of southern hemispheric fire emissions. The probable reason for the time shift is the delayed onset of deep convection towards austral summer. Because of overlap of varying biomass burning emissions from South America and southern Africa with sporadically strong contributions from Indonesia, the size and strength of the southern hemispheric plume have considerable interannual variations, with monthly mean maxima at, for example, 14 km between 400 and more than 700 pptv. Within 1-2 months after appearance of the plume, a considerable portion of the enhanced HCN is transported southward to as far as Antarctic latitudes. The fundamental period of HCN variability in the northern upper troposphere is also an annual cycle with varying amplitude, which in the tropics peaks in May after and during the biomass burning seasons in northern tropical Africa and southern Asia, and in the subtropics peaks in July due to trapping of pollutants in the Asian monsoon anticyclone (AMA). However, caused by extensive biomass burning in Indonesia and by northward transport of part of the southern hemispheric plume, northern HCN maxima also occur around October/November in several years, which leads to semi-annual cycles. There is ... |
format |
Article in Journal/Newspaper |
author |
Glatthor, N. Höpfner, M. Stiller, G. P. Clarmann, T. von Funke, B. Lossow, S. Eckert, E. Grabowski, U. Kellmann, S. Linden, A. Walker, K. A. Wiegele, A. |
author_facet |
Glatthor, N. Höpfner, M. Stiller, G. P. Clarmann, T. von Funke, B. Lossow, S. Eckert, E. Grabowski, U. Kellmann, S. Linden, A. Walker, K. A. Wiegele, A. |
author_sort |
Glatthor, N. |
title |
Seasonal and interannual variations of HCN amounts in the upper troposphere and lower stratosphere observed by MIPAS |
title_short |
Seasonal and interannual variations of HCN amounts in the upper troposphere and lower stratosphere observed by MIPAS |
title_full |
Seasonal and interannual variations of HCN amounts in the upper troposphere and lower stratosphere observed by MIPAS |
title_fullStr |
Seasonal and interannual variations of HCN amounts in the upper troposphere and lower stratosphere observed by MIPAS |
title_full_unstemmed |
Seasonal and interannual variations of HCN amounts in the upper troposphere and lower stratosphere observed by MIPAS |
title_sort |
seasonal and interannual variations of hcn amounts in the upper troposphere and lower stratosphere observed by mipas |
publisher |
European Geosciences Union |
publishDate |
2015 |
url |
https://publikationen.bibliothek.kit.edu/1000046050 https://publikationen.bibliothek.kit.edu/1000046050/3434452 https://doi.org/10.5445/IR/1000046050 http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:swb:90-460508 |
geographic |
Antarctic Austral |
geographic_facet |
Antarctic Austral |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Atmospheric Chemistry and Physics, 15 (2), 563-582 ISSN: 1680-7316 |
op_relation |
info:eu-repo/semantics/altIdentifier/wos/000347958500001 info:eu-repo/semantics/altIdentifier/doi/10.5194/acp-15-563-2015 info:eu-repo/semantics/altIdentifier/issn/1680-7316 https://publikationen.bibliothek.kit.edu/1000046050 https://publikationen.bibliothek.kit.edu/1000046050/3434452 https://doi.org/10.5445/IR/1000046050 http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:swb:90-460508 |
op_rights |
KITopen License, https://publikationen.bibliothek.kit.edu/kitopen-lizenz info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5445/IR/1000046050 https://doi.org/10.5194/acp-15-563-2015 |
_version_ |
1766260038234537984 |