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| Titel |
A map of radon flux at the Australian land surface |
| VerfasserIn |
A. D. Griffiths, W. Zahorowski, A. Element, S. Werczynski |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1680-7316
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Chemistry and Physics ; 10, no. 18 ; Nr. 10, no. 18 (2010-09-27), S.8969-8982 |
| Datensatznummer |
250008790
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| Publikation (Nr.) |
 copernicus.org/acp-10-8969-2010.pdf |
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| Zusammenfassung |
| A time-dependent map of radon-222 flux density at the
Australian land surface has been constructed with a spatial resolution of
0.05° and temporal resolution of one month. Radon flux density was
calculated from a simple model utilising data from national gamma-ray aerial
surveys; modelled soil moisture, available from 1900 in near real-time; and
maps of soil properties. The model was calibrated against a data set of
accumulation chamber measurements, thereby constraining it with experimental
data. A notable application of the map is in atmospheric mixing and transport
studies which use radon as a tracer, where it is a clear improvement on the
common assumption of uniform radon flux density. |
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