Department of Earth System Science
levels in rainwater collected in south Florida and the Bahama Islands
- Author(s): Zika, R.
- Saltzman, E.
- Chameides, W. L
- Davis, D. D
- et al.
Published Web Locationhttps://doi.org/10.1029/JC087iC07p05015
Measurements of H2O2 in rainwater collected in Miami, Florida, and the Bahama Islands area indicate the presence of H2O2concentration levels ranging from (1–7)×10−5 M. No systematic trends in H2O2 concentration were observed during an individual storm, in marked contrast to the behavior of other anions (e.g., [NO3 −], [SO4 =], and [Cl−]). The data suggest that a substantial fraction of the H2O2found in precipitation is generated by aqueous-phase reactions within the cloudwater rather than via rainout and washout of gaseous H2O2.