Working Group 30: Assessment of Marine Environmental Quality of Radiation around the North Pacific
Mission Statement

Marine ecosystems are impacted by multiple stressors (temperature, ocean acidification, hypoxia/eutrophication, etc.) which can affect ecosystem function, structure and dynamics in complex ways. An emerging question is: do changing patterns of radioactivity constitute an additional stressor to the ecosystem in the North Pacific? This question can be addressed by conceptual frameworks and low-order, process-based models that simulate the cycling of radionuclides through North Pacific environmental compartments. These results can be used by health physicists to predict radiological doses and by ecosystem scientists to explore hypotheses linking ecosystem dynamics to variability in the natural and anthropogenic radiation environments.

Terms of Reference
  1. Determine and compare radiological doses to North Pacific marine organisms, where data are available, from natural and anthropogenic radionuclides using existing data bases, newly acquired post-Fukushima monitoring results, and state-of-the-art dosimetric approaches.
  2. Examine the utility of applying natural and artificial (Fukushima and other sources) radionuclides as tracers of circulation, ecological transfers, biogeochemical cycling and consequences of climate change in the North Pacific, including the downstream interconnectivity.
  3. Determine the state of the science relative to assessment and mitigation of radiological impacts to marine organisms from natural and anthropogenic releases of radionuclides into the North Pacific marine environment, including a summary of peer reviewed literature and an overview of major sources and types of radiological releases into the marine environment.
  4. Foster collaboration with other expert groups, especially physical oceanographers and climate modellers, to achieve goals in items 1-3.
  5. Identify priority research requirements for knowledge gaps in items 1-3, the impacts on the marine environment from the planned expansion of nuclear facilities, other emerging nuclear issues and other sources of radionuclides in the PICES region.
  6. Promote collaboration in oceanographic studies using radio-tracer distributions and exchanging available information on environmental radioactivity, and encourage joint surveys/research among PICES member countries and international organizations.
  7. Contribute to FUTURE by producing a report on whether radioactive pollution is an additional stressor to the marine ecosystem in the North Pacific Ocean.
Annual Meetings


2016, 2014, 2013

Session and Workshop Summaries

W10, Distribution and risk analysis of radionuclides in the North Pacific

W5, Monitoring and assessment of environmental radioactivity in the North Pacific

S3, Tipping points: defining reference points for ecological indicators of multiple stressors in coastal and marine ecosystem:
Presentation by Yusheng Zhang

MEQ Paper Session
Presentations by John N. Smith, Galina S. Borisenko

MEQ Paper Session

Symposia / Inter-sessional Workshops




PICES Scientific Reports
Primary Journals

Joint SCOR WG 146/PICES WG 30 review paper, Fukushima Daiichi–Derived radionuclides in the ocean: Transport, fate, and impacts. 2017. Annual Review of Marine Science 9: 173–203.

Related Materials and Links

Report of Study Group on Radionuclide Science in the North Pacific Ocean

Study Group report

Other Publications
Dr. John N. Smith (WG-30)
Fisheries and Oceans Canada
Bedford Institute of Oceanography
1 Challenger Dr.
Dartmouth, NS
Canada B2Y4A2
(1-902) 426-3865
(1-902) 426-6695
Prof. Hongzhi Li (WG-30)
Department of Marine Measurement Sensor Technology
National Ocean Technology Center, SOA
219 Jieyuanxi Rd., Nankai District
Tianjin, China, PR 300112
(86-22) 2753-6535
(86-22) 2736-7824
Dr. Wu Men (WG-30)
Department of Marine Biology and Ecology
Third Institute of Oceanography, SOA
178 Daxue Rd., Siming District
Xiamen, Fujian
China, PR 361005
(86-592) 136 9699 7986
(86-592) 219 2519
Dr. Wen Yu (WG-30)
Laboratory of Marine Isotopic Technology and Environmental Risk Assessment
Third Institute of Oceanography, SOA
184 Daxue Rd., Siming District
Xiamen, China, PR 361005
Prof. Yusheng Zhang (WG-30)
WG-30 Co-Chair
Department of Marine Biology and Ecology
Third Institute of Oceanography, SOA
178 Daxue Rd., Siming District
Xiamen, Fujian
China, PR 361005
(86-592) 2195342
(86-592) 2086646
Dr. Takami Morita (WG-30)
National Research Institute of Fisheries Science, FRA
2-12-4 Fukuura, Kanazawa-ku
Yokohama, Kanagawa
Japan 236-8648
(81-4) 5227-2700 81-45-788-7654
Dr. Tomowo Watanabe (GC, TCODE, WG-30)
Fisheries Agency
1-2-1 Kasumigaseki
Chiyoda-ku, Tokyo
Japan 100-8907
(81-3) 6744-2372
(81-3) 3591-5314
Dr. In-Seong Han (MONITOR, WG-30)
Fishery & Ocean Information Division
National Fisheries R&D Institute (NFRDI), MOF
216 Haean-ro, Gijang-up, Gijang-gun
Busan, Korea, R 619-705
(82-51) 720-2231
(82-51) 720-2225
Dr. Kyung Tae Jung (WG-30)
Marine Environmental Radioactivity Research Center
Korea Institute of Ocean Science and Technology (KIOST)
787 Haean-ro, Sangrok-gu
Ansan, Korea, R 15627
(82-31) 400-6322
(82-31) 408-5823
Dr. Suk Hyun Kim (WG-30)
Marine Radionuclide Research Center
Korea Institute of Ocean Science and Technology (KIOST)
787 Haean-ro, Sangrok-gu
Ansan, Gyeonggi-do
Korea, R 426-744
(82-31) 400-6181
(82-31) 408-4493
Dr. Young-Il Kim (WG-30)
East Sea Environment Research Division
Korea Institute of Ocean Science and Technology (KIOST)
48, Haeyangscience-gil, Jukbyeon-myeon
Uljin-gun, Gyeongsangbuk-do
Korea, R 767-813
(82-54) 780-5361
(82-54) 780-5349
Dr. Vladimir Goryachev (WG-30)
Laboratory of Nuclear Oceanology
V.I. Il´ichev Pacific Oceanological Institute (POI), FEB RAS
43 Baltiyskaya St.
Vladivostok, Primorsky Kray
Russia 690041
(7-423) 231-2347
Dr. Kathryn A. Higley (WG-30)
WG-30 Co-Chair
Nuclear Engineering and Radiation Health Physics
Oregon State University
100 Radiation Center
Corvallis, OR
U.S.A. 97331-5902
(1-541) 737-0675
(1-541) 737-0480