scholarly journals Seasonal distribution of African savanna fires

Nature ◽  
1992 ◽  
Vol 359 (6398) ◽  
pp. 812-815 ◽  
Author(s):  
Donald R. Cahoon ◽  
Brian J. Stocks ◽  
Joel S. Levine ◽  
Wesley R. Cofer ◽  
Katherine P. O'Neill
Keyword(s):  
Seasonal Distribution ◽  
African Savanna ◽  
Savanna Fires

North African savanna fires and atmospheric carbon dioxide

1994 ◽  
Vol 99 (D4) ◽  
pp. 8321 ◽  
Author(s):  
Sam F. Iacobellis ◽  
Robert Frouin ◽  
Herisoa Razafimpanilo ◽  
Richard C. J. Somerville ◽  
Stephen C. Piper
Keyword(s):  
Carbon Dioxide ◽  
Atmospheric Carbon Dioxide ◽  
North African ◽  
African Savanna ◽  
Savanna Fires ◽  
Atmospheric Carbon

NOxemissions from African savanna fires

1996 ◽  
Vol 101 (D19) ◽  
pp. 23585-23595 ◽  
Author(s):  
J. P. Lacaux ◽  
R. Delmas ◽  
C. Jambert ◽  
T. A. J. Kuhlbusch
Keyword(s):  
African Savanna ◽  
Savanna Fires

scholarly journals MIPAS measurements of upper tropospheric C<sub>2</sub>H<sub>6</sub> and O<sub>3</sub> during the southern hemispheric biomass burning season in 2003

2007 ◽  
Vol 7 (22) ◽  
pp. 5861-5872 ◽  
Author(s):  
T. von Clarmann ◽  
N. Glatthor ◽  
M. E. Koukouli ◽  
G. P. Stiller ◽  
B. Funke ◽  
...  
Keyword(s):  
Southern Hemisphere ◽  
Biomass Burning ◽  
Michelson Interferometer ◽  
Measured Signal ◽  
South American ◽  
African Savanna ◽  
Upper Troposphere ◽  
Mixing Ratios ◽  
Savanna Fires ◽  
Spectrally Resolved

Abstract. Under cloud free conditions, the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) provides measurements of spectrally resolved limb radiances down to the upper troposphere. These are used to infer global distributions of mixing ratios of atmospheric constituents in the upper troposphere and the stratosphere. From 21 October to 12 November 2003, MIPAS observed enhanced amounts of upper tropospheric C2H6 (up to about 400 pptv) and ozone (up to about 80 ppbv). The absolute values of C2H6, however, may be systematically low by about 30% due to uncertainties of the spectroscopic data used. By means of trajectory calculations, the enhancements observed in the southern hemisphere are, at least partly, attributed to a biomass burning plume, which covers wide parts of the Southern hemisphere, from South America, the Atlantic Ocean, Africa, the Indian Ocean to Australia. The chemical composition of the part of the plume-like pollution belt associated with South American fires, where rainforest burning is predominant appears different from the part of the plume associated with southern African savanna burning. In particular, African savanna fires lead to a larger ozone enhancement than equatorial American fires. In this analysis, MIPAS observations of high ozone were disregarded where low CFC-11 (below 245 pptv) was observed, because this hints at a stratospheric component in the measured signal. Different type of vegetation burning (flaming versus smouldering combustion) has been identified as a candidate explanation for the different plume compositions.

scholarly journals MIPAS measurements of upper tropospheric C<sub>2</sub>H<sub>6</sub> and O<sub>3</sub> during the Southern hemispheric biomass burning season in 2003

2007 ◽  
Vol 7 (4) ◽  
pp. 12067-12095 ◽  
Author(s):  
T. von Clarmann ◽  
N. Glatthor ◽  
G. P. Stiller ◽  
U. Grabowski ◽  
M. Höpfner ◽  
...  
Keyword(s):  
Southern Hemisphere ◽  
Biomass Burning ◽  
Michelson Interferometer ◽  
South American ◽  
African Savanna ◽  
Upper Troposphere ◽  
Mixing Ratios ◽  
Savanna Fires ◽  
The Indian Ocean ◽  
Spectrally Resolved

Abstract. Under cloud free conditions, the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) provides measurements of spectrally resolved limb radiances down to the upper troposphere. These are used to infer global distributions of mixing ratios of atmospheric constituents in the upper troposphere and the stratosphere. From 21 October to 14 November 2003, MIPAS observed enhanced amounts of upper tropospheric C2H6 (up to about 400 pptv, depending on spectroscopic data chosen) and ozone (up to about 80 ppbv). By means of trajectory calculations, the enhancements observed in the Southern hemisphere are, at least partly, attributed to a biomass burning plume, which covers wide parts of the Southern hemisphere, from South America, the Atlantic ocean, Africa, the Indian Ocean to Australia. The chemical composition of the part of the plume-like pollution belt associated with South American rainforest burning appears different from the part associated with Southern African savanna burning. In particular, African savanna fires lead to a larger ozone enhancement than South American rainforest fires.

Source compositions of trace gases released during African savanna fires

1996 ◽  
Vol 101 (D19) ◽  
pp. 23597-23602 ◽  
Author(s):  
Wesley R. Cofer ◽  
Joel S. Levine ◽  
Edward L. Winstead ◽  
Donald R. Cahoon ◽  
Daniel I. Sebacher ◽  
...  
Keyword(s):  
Trace Gases ◽  
African Savanna ◽  
Savanna Fires

Seasonal variation and ecosystem dependence of emission factors for selected trace gases and PM2.5for southern African savanna fires

2003 ◽  
Vol 108 (D24) ◽  
pp. n/a-n/a ◽  
Author(s):  
S. Korontzi ◽  
D. E. Ward ◽  
R. A. Susott ◽  
R. J. Yokelson ◽  
C. O. Justice ◽  
...  
Keyword(s):  
Seasonal Variation ◽  
Trace Gases ◽  
Emission Factors ◽  
African Savanna ◽  
Savanna Fires
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