Publications relevant to fire and fire-related processes by G.Helas
Publications relevant to fire andfire-related processes
by G.Helas
Journals:
G. Helas, H. Bingemer and M. O. Andreae Organic acids over equatorial Africa: Results from DECAFE 88 J. Geophys. Res. 97, 6187 – 6193 (1992).
M. O. Andreae, G. Helas, B. Cros, D. Nganga, A. Minga, A. Chapuis and J. Fontan Ozone and Aitken nuclei over equatorial Africa: Airborne observations during DECAFE-88 J. Geophys. Res. 97, 6137 – 6148 (1992).
H. G. Bingemer, M. O. Andreae, T. W. Andreae, P. Artaxo, G. Helas, D. J. Jacob, N. Mihalopoulos and B. C. Nguyen Sulfur gases and aerosols in and above the equatorial African rainforest J. Geophys. Res. 97, 6207 – 6217 (1992).
B. Cros, J. Fontan, A. Minga, G. Helas, D. Nganga, R. Delmas, A. Chapuis, B. Benech, A. Druilhet and M. O. Andreae Vertical profiles of ozone between 0 – 400 meters in and above the African equatorial forest J. Geophys. Res. 97, 12877 – 12887 (1992).
G. Helas, J. P. Lacaux, R. Delmas, D. Scharffe, J. Lobert, J. Goldammer, and M. O. Andreae Ozone as biomass burning product over Africa Fresenius Envir. Bull. 1, 155 – 160 (1992).
J. G. Goldammer, M. O. Andreae, G. Helas und F. Meixner Vegetationsbraende Laborpraxis, Sonderband Labor 2000, Ausgabe 1994, 48 – 59 (1994).
G. Helas Emissions of atmospheric trace gases from vegetation burning Phil. Trans. R. Soc. Lond. A 351, 297 – 312 (1995).
G. Helas, M. O. Andreae, G. Schebeske, and P. LeCanut SA’ARI-94 : A preliminary view on results S. Afr. J. Sci. 91, 360 – 362 (1995).
G. Helas, J. Lobert, D. Scharffe, L. Schfer, J. Goldammer, J. Baudet, B. Ahoua, A. Ajavon, J. Lacaux, R. Delmas, and M. O. Andreae Ozone production due to emissions from vegetation burning J. Atmos. Chem. 22, 163 – 174 (1995).
G. Helas, J. Lobert, D. Scharffe, L. Schfer, J. Goldammer, J. Baudet, A. Ajavon, B. Ahoua, J. Lacaux, R. Delmas, and M. O. Andreae Airborne measurements of savanna fire emissions and the regional distribution of pyrogenic pollutants over western Africa J. Atmos. Chem. 22, 217 – 239 (1995).
R. Delmas, J.P. Lacaux, J.C. Menaut, L. Abbadie, X. LeRoux, G. Helas, and J. Lobert Nitrogen compound emissions from biomass burning in tropical African savanna FOS/DECAFE 1991 Experiment (Lamto, Ivory Coast) J. Atmos. Chem. 22, 175 – 193 (1995).
J.P. Lacaux, J. M. Brustet, R. Delmas, J. C. Menaut, L. Abbadie, B. Bonsang, H. Cachier, J. Baudet, M. O. Andreae, and G. Helas Biomass burning in the tropical savanna of Ivory Coast: An overview of the field experiment Fire of Savannas (FOS/DECAFE ’91) J. Atmos. Chem. 22, 195 -216 (1995).
M. O. Andreae, E. Atlas, G. W. Harris, G. Helas, A. de Kock, R. Koppmann, W. Maenhaut, S. Man, W. H. Pollock, J. Rudolph, D. Scharffe, G. Schebeske, and M. Welling Methyl halide emissions from savanna fires in southern Africa J. Geophys. Res., 101, 23603 – 23613 (1996).
G. Helas and J. J. Pienaar The influence of vegetation fires on the chemical composition of the atmosphere S. Afr. J. Sci, 92, 132 – 136 (1996).
L. Marufu, J. Ludwig, M. O. Andreae, F. X. Meixner and G. Helas Domestic biomass burning in rural and urban Zimbabwe, Part:A Biomass and Bioenergy 12, 53 – 68 (1997).
R. Koppmann, A. Khedim, J. Rudolph, D. Poppe, M. O. Andreae, G. Helas, M. Welling, T. Zenker Emission of organic trace gases from savanna fires in southern Africa during the 1992 Southern African Fire Atmosphere Research Initiative and their impact on the formation of tropospheric ozone J. Geophys. Res. 102, 18879 – 18888 (1997).
Book contributions:
M. O. Andreae, G. Helas, J. Rudolph, B. Cros, R. Delmas, D. Nganga, and J. Fontan Ozone production from biomass burning in tropical Africa, Results from DECAFE-88 Fire in the tropical biota, (ed. J. Goldammer), Ecological Studies 84, Springer Verlag, Heidelberg, 1990, p. 437 – 439.
J. Fishman, J. Logan, P. E. Artaxo, H. Cachier, G. R. Carmichael, R. Dickinson, M. A. Fosberg, G. Helas, M. Kanakidou, J.P. Lacaux and F. Rohrer Group report: What is the impact of fires on atmospheric chemistry, climate, and biogeochemical cycles In: Fire in the Environment: The Ecological, Atmospheric, and Climatic Importance of Vegetation Fires. (eds: P. J. Crutzen and J. G. Goldammer), Wiley, Chichester, 1993, p. 345 – 356.
M. O. Andreae, E. Atlas, H. Cachier, W. R. Cofer III, G. W. Harris, G. Helas, R. Koppmann, J. P. Lacaux, and D. E. Ward Trace gas and aerosol emissions from savanna fires In: Biomass Burning and Global Change. (ed.: J. S. Levine), MIT Press, Cambridge, Mass., 1996, p. 278 – 295.
R. Koppmann, A. Khedim, J. Rudolph, G. Helas, M. Welling and T. Zenker Airborne measurements of organic trace gases from savanna fires in southern Africa during SAFARI-92 In: Biomass Burning and Global Change. (ed.: J. S. Levine), MIT Press, Cambridge, Mass., 1996, p. 309 – 319.
G. Helas and J. J. Pienaar Biomass burning emissions In: Air Polluton and its Impacts on the South African Highveld. (ed. G. Held, B. J. Gore, A. D. Surridge, G. R. Tosen, C. R. Turner and R. D. Walmsley), Environmental Scientific Association, Cleveland, South Africa, 1996, p. 76 – 79.
G. Helas, L. Marufu, J. Ludwig, J. G. Goldammer und M. O. Andreae Der Einflu von Vegetationsfeuern und Biomasseverbrennung auf die Atmospaehre In: Oekosystemanalyse und Umweltforschung, Vol. 4: Stoffkreislaeufe in natuerlichen und industriellen Prozessen (G. Thews, C. Servatius, eds.) G. Fischer Verlag, Stuttgart, p. 33 – 46.
