References
- Irwin , J.G. and Williams , M.L. 1988 . Acid rain Chemistry and Transport . Environmental Pollution , 50 : 29 – 59 .
- Golloway , J.N. 1989 . Atmospheric acidification ‐ Projection for the future . Ambio , XVIII ( 3 ) : 161 – 166 .
- Rodhe , H. and Herrera , R. , eds. 1988 . Scope 36, Acidification in Tropical Countries , Chichester : Wiley .
- Crutzen , P.J. , Delany , A.C. , Greenberg , J. , Haagenson , P. , Heidt , L. , Lueb , R. , Pollock , W. , Seiler , W. , Wartburg , A. and Zimmermann , P. 1985 . Tropospheric chemical composition measurements in Brazil during the dry season . J. Atmospheric Chemistry , 2 : 233 – 256 .
- Andreae , M.O. , Talbot , R.W. , Berresheim , H. and Beecher , K.M. 1990 . Precipitation chemistry in central Amazonia . J. Geophys. Res. , 95 : 16987 – 17000 .
- Ayers , G.P. and Gillet , R.W. 1988 . Acidification in Australia in Acidification in Tropical Countries , Edited by: Rodhe , H. and Herrera , R. 347 – 402 . New York : John Wiley .
- Rodhe , H. 1989 . Acidification in a Global Perspective . Ambio , 18 (3) : 155 – 160 .
- Isichei , A.D. and Akeredolu , F. 1988 . Scope 36, Acidification in Tropical Countries , Edited by: Rodhe , H. and Herrera , R. 297 – 316 . Chichester : John‐Wiley & Sons . Ch.9
- Lucaux , J.P. , Delmas , R. , Kouadio , G. , Cros , B. and Andreae , M.O. 1992 . Precipitation chemistry in the Mayombe forest of equatorial Africa , 97 : 6195 – 6206 .
- Cachier , H. and Ducret , J. 1991 . Influence of biomass burning on equatorial African rains . Nature , 352 : 228 – 230 .
- Ducret , J. and Cachier , H. 1992 . Particulate Carbon content in rain at various temperate and tropical locations . J. Atmos. Chem. , 15 : 55 – 67 .
- Jonnalagadda , S.B. , Nyagani , M. , Sawunyama , P. and Baloyi , R. 1991 . Studies on the levels of sulphur dioxide, nitrogen dioxide, ammonia and hydrogen chloride in ambient air of Harare, Zimbabwe , Vol. 17 , 1 – 7 . New York : Env. International, Pergamon Press . (5)
- Jonnalagadda , S.B. and Makadho , J. 1991 . Environmental quality assessment: Studies on air and rainwater quality in Zimbabwe . Analytical Sciences , 7 : 1057 – 1060 .
- Jonnalagadda , S.B. , Makhado , J. , Matinde , N. , Karimanzira , R.P. and Makarau , A. 1994 . Chemical composition of rainwater and air quality in Zimbabwe, Africa . The Science of the Total Environment , 144 : 261 – 271 .
- Jonnalagadda , S.B. , Matinde , N. , Nyika , D. , Makhubalo , J. and Karimanzira , R.P. 1993 . Precipitation studies: Three rainy seasons (Nov. 1989‐ Apr. 1992) in Harare, Zimbabwe . Bull. Chem. Soc. Ethiop. , 7 (2) : 73 – 78 .
- Jonnalagadda , S.B. , Nyika , D. , Zhande , E. , Zakata , W. , Kosmus , W. and Jonnalagadda , S.B. 1995 . Rainwater quality during 1991–93 and constituents of milky rain (Nov. ‘92) in Bulawayo, Zimbabwe . The Science of the Total Environment , In press
- Golterman , H.L. , Clymo , R.S. and Ohstad , H.A.M. 1978 . Methods for Physical and Chemical analysis of fresh waters, , 2nd Edition , Oxford : Blackwell .
- Perry , R. and Young , R.J. 1977 . Handbook of Pollution Analysis , New York : Chapman and Hall Ltd. .
- American Public Health Association, Water Works Association and Water Pollution Control Federation . 1981 . Standard methods for the examination of water and waste water, , 15th Edition , American Public Health Association .
- Skook , D.A. and West , F. 1982 . Anal. Chemistry, , 2nd Ed. , HQW International Edition .
- O'Haver , T.C. 1976 . Trace Analysis: Spectroscopic methods for elements , Edited by: Winefordner , J.D. 72 – 89 . New York : Wiley .
- Bone , R.J. and Hibbert , W.D. 1979 . Solvent extraction with pyrrolidinedithiocarbamate and 2,6‐dimethyl‐4‐heptanone for the determination of trace elements in effluents and natural waters . Anal. Chim. Acta , 107 : 219 – 229 .
- Tremblay , A. 1987 . Cumulus cloud transport, scavenging and chemistry: Observations and simulations . Atmos. Environ. , 21 (11) : 2345 – 2364 .
- Dikaiasos , J.G. , Tsitouris , C.G. , Siskos , P.A. , Melissos , D.A. and Nastos , P. 1990 . Rainwater composition in Athens, Greece . Atmos. Environ. , 24B : 171 – 176 .
- Manahan , S.E. 1979 . Environmental Chemistry, , 3rd edition , 17 – 28 . Boston : Willard Grant Press .
- Brewer , P.G. 1982 . Minor elements in sea water in Chemical Oceanography Edited by: Charlson , R.J. and Rodhe , H. Vol. I , 417 – 424 .