Measurements of pH versus drop size in natural rain

Results from numerical scavenging models 1–3 , which estimate the acidity of precipitation falling through a polluted atmosphere, have previously been compared with p H measurements of bulk rain water or of single drops of unknown size 4 . Here we describe results from an instrument which, for the f...

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Veröffentlicht in:Nature (London) 1986-06, Vol.321 (6073), p.842-844
Hauptverfasser: Adams, Stephen J., Bradley, Stuart G., Stow, C. David, de Mora, Stephen J.
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container_title Nature (London)
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creator Adams, Stephen J.
Bradley, Stuart G.
Stow, C. David
de Mora, Stephen J.
description Results from numerical scavenging models 1–3 , which estimate the acidity of precipitation falling through a polluted atmosphere, have previously been compared with p H measurements of bulk rain water or of single drops of unknown size 4 . Here we describe results from an instrument which, for the first time, allows the variation of p H with drop size to be evaluated. Field measurements show a p H minimum for drops with radii near 0.5 mm, consistent with simple mass transfer considerations.
doi_str_mv 10.1038/321842a0
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subjects Chemical composition and interactions. Ionic interactions and processes
Earth, ocean, space
Exact sciences and technology
External geophysics
Humanities and Social Sciences
letter
Meteorology
multidisciplinary
Science
Science (multidisciplinary)
title Measurements of pH versus drop size in natural rain
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