Monitoring of Radionuclides in the Baltic Sea in 2018

Esitys aiheesta: "Monitoring of Radionuclides in the Baltic Sea in 2018"— Esityksen transkriptio:

1 Monitoring of Radionuclides in the Baltic Sea in 2018
Vesa-Pekka Vartti, Meerit Kämäräinen STUK Environmental Radiation Surveillance and Emergency Preparedness HELCOM MORS EG 9, Finland

2 Sampling stations & samples
Hailuoto Seawater samples: 5 stations Sediment samples: 2 stations Biota and fish samples: 6 stations Vaasa Olkiluoto SR 5 Seili Sea Water : LL17, SR5, Olkiluoto, Loviisa Sediment : LL17, SR5 Fish: Hailuoto, Vaasa, Seili, Tvärminne, Olkiluoto and Loviisa Biota: Olkiluoto, Loviisa Loviisa Tvärminne LL 17 HELCOM MORS EG 9, Finland

3 Aranda renovation HELCOM MORS EG 9, Finland

4 Cs-137 in seawater (Bq/m3) in 2018
Surface/ Bottom SR5 20/21 26 14 11 LL 17 20/23 Päivitetty Voimalaitostulokset puuttuvat. HELCOM MORS EG 9, Finland

5 Cs-137 concentrations in surface water in different part of the Baltic Sea between 1980 - 2018
Päivitetty Bothnian bay 18 Bq/m3; Gulf of Finland 16 Bq/m3; target level Bq/m3 HELCOM MORS EG 9, Finland

6 3H in seawater (Bq/l) in 2018 Surface/Bottom 2 <1/<1 1,3 2,4
Päivitetty Bq/l HELCOM MORS EG 9, Finland

7 Sr-90 in seawater (Bq/m3) in 2018
Surface/Bottom 6.1/6.3 5.6 6.5 6.4/7.2 Päivitetty HELCOM MORS EG 9, Finland

8 137Cs (Bq/kg) in sediment as a function of depth in 2018
Päivitetty HELCOM MORS EG 9, Finland

9 137Cs in the Baltic Sea sediments (kBq/m2) 2018
Stations: LL 17, SR5 SR5 37 LL 17 1.6 Päivitetty HELCOM MORS EG 9, Finland

10 Cs-137 in fish (Bq/kg f.w.) in 2018
Herring/ Pike 3.3/9.3 3.6/14 2.9/5.0 2.6/6.8 2.9 Päivitetty Sr-90 in herring: Bq/kg Sr-90 in pike: 0.01 Bq/kg

11 Concentrations in alga and bottom animals (Bq/kg d.w. ) in 2018
Fucus vesiculosus Cs-137 : Co-60 : 0.25 Ag-110m: 0.94 Saduria entomon Cs-137 : 7.3 Sr-90 :8.4 Ag-110m: 1.6 Mytilus Edulis Cs-137 : 1.0 Sr-90 : 7.4 Päivitetty , rakkolevät!