Latitudinal distribution of radon‐222 flux from continents

Global atmospheric transport models are frequently tested by using 222Rn as a tracer. Generally this tracer is assumed to be emitted at a uniform rate (1 atom cm−2 s−1) from all ice‐free land surfaces. The analysis of published data suggests a strong decrease from 30°N northwards to 0.2 atom cm−2 s−...

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Bibliographic Details
Published in:Tellus. Series B, Chemical and physical meteorology Chemical and physical meteorology, 2002-04, Vol.54 (2), p.127-133
Main Authors: CONEN, F., ROBERTSON, L. B.
Format: Article
Language:English
Subjects:
Chemical composition and interactions. Ionic interactions and processes
Earth, ocean, space
Exact sciences and technology
External geophysics
Meteorology
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Summary:Global atmospheric transport models are frequently tested by using 222Rn as a tracer. Generally this tracer is assumed to be emitted at a uniform rate (1 atom cm−2 s−1) from all ice‐free land surfaces. The analysis of published data suggests a strong decrease from 30°N northwards to 0.2 atom cm−2 s−1 at 70°N. This could be a result of increasing water tables and proportions of organic soils as indicated by larger proportions of wetlands in northern latitudes.
ISSN:0280-6509
1600-0889
DOI:10.1034/j.1600-0889.2002.00365.x