Rainfall pH in the Venezuelan savannah

In this paper, we report the chemical characterization of rain events collected at a remote site in the Venezuelan savannah. The volume-weighted average pH was 4.7. In most of the samples over 60% of the free acidity may be due to formic and acetic acids. Sulphuric and nitric acids only contribute with <40%. The potential contribution of HCI is relatively high, up to 16%. Ammonium ion concentrations were lower than the values observed in other natural tropical ecosystems. Rain samples collected during the period of vegetation burning show less free acidity (pH > 5.3) and higher concentration of all the ions than those collected in the non-burning periods.

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Organic and inorganic acids in rain from a remote site of the Venezuelan savannah

Sanhueza¹,

Elbert²,

Rondôn

et al. 1989

Tellus B: Chemical and Physical Meteorology

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Chemical composition of acid rains in the Venezuelan savannah region

Sanhueza¹,

Arias²,

Donoso³

et al. 1992

Tellus B: Chemical and Physical Meteorology

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Rainfall pH in the Venezuelan savannah

Cited by 2 publications

References 9 publications

Organic and inorganic acids in rain from a remote site of the Venezuelan savannah

Organic and inorganic acids in rain from a remote site of the Venezuelan savannah

Chemical composition of acid rains in the Venezuelan savannah region

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