In situ radioactivity data with KATERINA detection system, Aegean and Ionian Seas (2002-2007)

Data set information

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Data holding centreHellenic Centre for Marine Research, Institute of Oceanography (HCMR/IO)
CountryGreece  Greece
ProjectKATERINA - Sea bed gamma ray measurements with the underwater detector(KATERINA)
Time periodFrom 2002 to 2007
Geographical area

Saronikos Gulf (Central Greece), Thermaikos Gulf (Northwestern Aegean Sea), Amvrakikos Gulf (Western Greece), Euvoikos Gulf (Central Greece), Lesvos Island), Messiniakos Gulf (south of Peloponnesse)


Radioactivity in water bodies


The KATERINA underwater system has been deployed between 2002 and 2007 in several regions in the Aegean Sea and in Amvrakikos Gulf. The measuring period was for 3h and the analysis has been performed using the SPECTRG software. The radionuclides are identified according to the emission energy and the volumetric activity is quantified using marine efficiency values measured in the laboratory. The deployments have been made in various coastal areas and at open sea as follows: In Saronikos Gulf, 3 seasonal cruises were conducted, during the period 2002-2007, in order to specify radon concentration after rainfall and due to groundwater discharges. In Thermaikos Gulf, 1 cruise was carried out at 2004 in order to detect pollution due to anthopogenic and/or natural radiation. In addition water samples were collected for intercalibration. In Amvrakikos Gulf, 1 cruise was carried out in 2007 for 214Bi and 214Pb detection due to enhanced natural radiation. In Euboikos Gulf, 2 cruises were conducted in 2004 and 2005 performing two deployments on submarine groundwater discharge. In Lesvos island 1 cruise was carried out in order to monitor the outflow of Dardanelles straits. In Messiniakos gulf 1 cruise was carried in order to specify the radon (222Rn) volumetric activity for estimate the quantity of water mass.

OriginatorsHellenic Centre for Marine Research, Institute of Oceanography (HCMR/IO)
OrganisationHellenic Centre for Marine Research, Institute of Oceanography (HCMR/IO)
ContactDr Ch. Tsabaris

Hellenic Centre for Marine Research, Institute of Oceanography (HCMR/IO)
46.7 km Athinon-Souniou Av. P.O.Box 712


Collating centreHellenic Centre for Marine Research, Hellenic National Oceanographic Data Centre (HCMR/HNODC)
Local identifier6013012
Global identifier1302
Last revised2015-07-22