Sediment samples of different strata (0-3 and 12-15 cm) were collected between 1990 and 1992 during seasonal cruises in the Northern Adriatic Sea. A complete mapping of the Sr-90, Cs-137, Pu-238 and Pu-239(240) concentrations was obtained for samples covering a wide area, stretching from the Gulf of Trieste towards the Ancona shoreline. Sr-90 concentrations varied between 1.5 and 6.5 Bq kg-1 dw, Cs-137 was in the range 0.9-38.9 Bq kg-1 dw, Pu-239(240) in the range 0.08-1.5 Bq kg-1 dw and Pu-238 around 0.03 Bq kg-1 dw. Special reference was also put on the comparison between the off-shore environment and data obtained from samples collected inside the Po river delta. In spite of the major accumulation of Cs-137 inside the estuarine environment, higher concentrations of strontium and plutonium isotopes were detected in the offshore environment.

Radioactive isotopes of strontium, caesium and plutonium in sediments of the Northern Adriatic Sea / Desideri, D.; Meli, M. A.; Nonnis Marzano, F.; Roselli, C.; Testa, C.; Triulzi, C.; Vaghi, M.. - In: CHEMISTRY IN ECOLOGY. - ISSN 0275-7540. - 12:4(1996), pp. 259-264. [10.1080/02757549608039092]

Radioactive isotopes of strontium, caesium and plutonium in sediments of the Northern Adriatic Sea

Nonnis Marzano F.;Triulzi C.;Vaghi M.
1996

Abstract

Sediment samples of different strata (0-3 and 12-15 cm) were collected between 1990 and 1992 during seasonal cruises in the Northern Adriatic Sea. A complete mapping of the Sr-90, Cs-137, Pu-238 and Pu-239(240) concentrations was obtained for samples covering a wide area, stretching from the Gulf of Trieste towards the Ancona shoreline. Sr-90 concentrations varied between 1.5 and 6.5 Bq kg-1 dw, Cs-137 was in the range 0.9-38.9 Bq kg-1 dw, Pu-239(240) in the range 0.08-1.5 Bq kg-1 dw and Pu-238 around 0.03 Bq kg-1 dw. Special reference was also put on the comparison between the off-shore environment and data obtained from samples collected inside the Po river delta. In spite of the major accumulation of Cs-137 inside the estuarine environment, higher concentrations of strontium and plutonium isotopes were detected in the offshore environment.
Radioactive isotopes of strontium, caesium and plutonium in sediments of the Northern Adriatic Sea / Desideri, D.; Meli, M. A.; Nonnis Marzano, F.; Roselli, C.; Testa, C.; Triulzi, C.; Vaghi, M.. - In: CHEMISTRY IN ECOLOGY. - ISSN 0275-7540. - 12:4(1996), pp. 259-264. [10.1080/02757549608039092]
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11381/2888881
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