Seasonal variations in soil radon emanation: long-term continuous monitoring in light of seismicity

Sedat İnan (), Alican Kop, Hasan Çetin, Furkan Kulak, Zümer Pabuçcu, Cemil Seyis, Semih Ergintav, Onur Tan, Ruhi Saatçılar and M. Bodur

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2012, vol. 62, issue 2, 575-591

Abstract: Soil gas radon release patterns have been monitored continuously for more than 3 years in the Eastern Mediterranean Province (EMP) (Southern Turkey), alongside regional seismic events, providing a multidisciplinary approach. In the period from January 2008 to January 2011, 14 earthquakes M L ≥4 occurred in the study area. By monitoring the sites for more than 3 years, the site-characteristic patterns of soil radon emanation of each site have become evident. Radon emanation data show seasonal (semi-annual) variation characteristics; high soil radon values are between May and October and low soil radon values are between November and April. With available rainfall data, the soil gas radon data can be more reliably evaluated. It is shown in this paper that if radon emanation data are available over sufficiently long periods of time and baseline data (and their seasonal variations) are known with certainty for each monitoring site, then the observation of positive anomalies might provide a correlation or connection to seismic activity. Copyright Springer Science+Business Media B.V. 2012

Keywords: Southern Turkey; East Anatolian Fault system; Dead Sea Fault system; East Mediterranean Province; Continuous monitoring; Soil radon; Meteorological effects; Semi-annual variations; Earthquake precursor (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s11069-012-0096-6

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