Hilde Elise Heldal
Arbeidsområde
Mitt arbeidsområde er radioaktiv forurensning i det marine miljø. Jeg er prosjektleder for Havforskningsinstituttets overvåkingsprogram for radioaktiv forurensning i norske kyst- og havområder. Her følger vi blant annet med på tidstrender og geografiske trender i marine organismer, sedimenter og sjøvann.
Jeg har også deltatt som toktleder på tre norsk-russiske tokt til områder der det finnes potensielle kilder til radioaktiv forurensning: I 2012 og 2014 gikk toktene til henholdsvis Stepovogofjorden, et dumpeområde for radioaktivt avfall på østsiden av Novaja Semlja, og K-159, et atomubåtvrak som ligger på havbunnen i utløpet av Murmanskfjorden. I 2019 ble atomubåtvraket Komsomolets, som ligger på havbunnen i Norskehavet, grundig undersøkt fra «G. O. Sars» ved hjelp av ROV Ægir 6000.
Havmodellering kan brukes til å forutsi konsekvenser av utslipp fra forurensningskilder. Jeg har i samarbeid med kolleger fra Havforskningsinstituttets oseanografi og klima-gruppe studert spredning og transport av radioaktiv forurensning fra Komsomolets og K-159.
Radioaktive stoffer kan også benyttes som et verktøy til å studere prosesser i det marine miljø. Vi har brukt den naturlige radionukliden Pb-210 til å studere sedimentasjonshastigheter og alder på sedimentlag i kjerneprøver.
Curriculum Vitae
Utdanning:
1989-1995: Universitetet i Bergen, Kjemisk institutt: Cand. Scient.
1997-2001: Havforskningsinstituttet og Universitetet i Bergen, Kjemisk institutt: Dr. Scient.
Arbeidserfaring:
1995-1997: Universitetet i Bergen, Kjemisk institutt: Vitenskapelig assistent og Forskningstekniker.
2002-2006: Havforskningsinstituttet, Post. Doc.
2007: Universitetet i Bergen, Kjemisk institutt: Seniorkonsulent.
2008-d.d.: Forsker ved Havforskningsinstituttet.
Publikasjoner
Vitenskapelige artikler (NVI)
2023
Increased barium levels in recent marine sediments from the Norwegian and Barents Seas suggest impact of hydrocarbon drilling and production
Marine Pollution Bulletin
186
2022
Understanding source terms of anthropogenic uranium in the Arctic Ocean – First 236U and 233U dataset in Barents Sea sediments
Science of the Total Environment
847
2022
Understanding source terms of anthropogenic uranium in the Arctic Ocean – First 236U and 233U dataset in Barents Sea sediments
Science of the Total Environment
847
2022
Working Group on the Integrated Assessments of the Barents Sea (WGIBAR)
ICES Scientific Reports
4
2022
Understanding source terms of anthropogenic uranium in the Arctic Ocean – First 236U and 233U dataset in Barents Sea sediments
Science of the Total Environment
847
2021
Geochronology of sediment cores from the Vefsnfjord, Norway
Marine Pollution Bulletin
170:112683
p. 1-10
2021
Distribution of natural and anthropogenic radionuclides in sediments from the Vefsnfjord, Norway
Marine Pollution Bulletin
172
p. 1-9
2021
Geochronology of sediment cores from the Vefsnfjord, Norway
Marine Pollution Bulletin
170:112683
p. 1-10
2019
Natural and anthropogenic radionuclides in Norwegian farmed Atlantic salmon (Salmo salar)
Journal of Environmental Radioactivity
205-206
p. 42-47
2018
Observations of biota in Stepovogo Fjord, Novaya Zemlya, a former dumping site for radioactive waste
Polar Biology
41
p. 115-124
2017
Norwegian monitoring (1990–2015) of the marine environment around the sunken nuclear submarine Komsomolets
Journal of Environmental Radioactivity
182
p. 52-62
2017
The impact of tidal and mesoscale eddy advection on the long term dispersion of 99Tc from Sellafield
Journal of Environmental Radioactivity
177
p. 100-112
2016
Main results of the 2012 joint Norwegian-Russian expedition to the dumping sites of the nuclear submarine K-27 and solid radioactive waste in Stepovogo Fjord, Novaya Zemlya
Journal of Environmental Radioactivity
151
p. 417-426
2013
Dispersal of the radionuclide caesium-137 (Cs-137) from point sources in the Barents and Norwegian Seas and its potential contamination of the Arctic marine food chain: Coupling numerical ocean models with geographical fish distribution data
Environmental Pollution (1987)
180
p. 190-198
2012
Dispersal of the radionuclide caesium-137 (Cs-137) from point sources in the Barents and Norwegian Seas and its potential contamination of the Arctic marine food chain: Coupling numerical ocean models with geographical fish distribution data
Environmental Pollution (1987)
164
p. 1-10
2012
Radiological status of the marine environment in the Barents Sea
Journal of Environmental Radioactivity
113
p. 155-162
2011
Differential concentration of Technetium-99 (99Tc) in common intertidal molluscs with different food habits
Marine Pollution Bulletin
62
p. 2420-2426
2010
Technetium-99 (Tc-99) in annual growth segments of knotted wrack (Ascophyllum nodosum)
Science of the Total Environment
48
p. 5575-5582
2005
A framework for making qualities of indicators transparent
ICES Journal of Marine Science
62
p. 552-557
2004
The dispersion of 99Tc in the Nordic Seas and the Arctic Ocean: a comparison of model results and observations
Journal of Environmental Radioactivity
74
p. 185-198
2004
Variability in the supply, distribution and transport of the transient tracer 99Tc in the NE Atlantic
Journal of Marine Systems
44
p. 55-81
2003
Bioaccumulation of 137Cs in pelagic food webs in the Norwegian and Barents Seas
Journal of Environmental Radioactivity
65
p. 177-185
2002
Distribution of selected anthropogenic radionuclides (137Cs, 238Pu, 239,240Pu and 241Am) in marine sediments with emphasis on the Spitsbergen-Bear Island area
Science of the Total Environment
293
p. 233-245
2002
Inferring ecological separation from regional differences in radioactive caesium in harbour porpoises (Phocoena phocoena)
Marine Ecology Progress Series
228
p. 301-309
2001
Bioaccumulation of 137Cs and 57Co by five marine phytoplankton species
Journal of Environmental Radioactivity
57
p. 231-236
1997
Crystal structure of aquadinitrato-(2,9-dimethyl-1,10- phenanthroline)copper(II)
Acta Chemica Scandinavica
51
p. 122-124
1996
Syntheses and Structure Determinations of Two Copper(II)-Thione Complexes
Acta Chemica Scandinavica
50
p. 596-502
Annet tidsskriftbidrag
2020
Derfor er norsk atomberedskap viktig for sjømatnæringa
IntraFish Media AS
2016
Tsjernobyl-ulykken tok Norge på senga
Forskning.no
Faglige foredrag
2024
Monitoring and Assessment of Anthropogenic Radioactivity in the Arctic
2024
Reconstructing 135Cs/137Cs signals released from Sellafield reprocessing plant and its potential environmental applications
2023
Naturally occurring radionuclides assessment in the Arctic
2023
Transport and transformation of 137Cs from freshwater to coastal water
2023
Radioactivity
2022
Radioactivity
2022
Barentshavet - Rikt og rent?
2022
Arctic Council Arctic Monitoring and Assessment Programme Plans and Methodologies for the 2023 Assessment of Radioactivity in the Arctic
2022
Radium-226 and radium-228 in seafloor sediments of the Norwegian continental shelf
2022
The status of the sunken nuclear submarine Komsomolets in the Norwegian Sea
2021
Norwegian monitoring of radioactive contamination in the marine environment - the RAME programme
2021
Forelesning i BIO216 Toksikologi
2021
The status of the sunken nuclear submarine Komsomolets in the Norwegian Sea
2020
Forelesning i BIO216 Toksikologi
2019
Forelesning i BIO216 Toksikologi
2018
Joint Norwegian-Russian research cruises to dumped and sunken objects in the Barents Region
2017
Radioaktivitet
2016
Joint Russian-Norwegian Expeditions; Stepovogo Fjord (2012) and K-159 (2014)
2015
Opptak og transport av radionuklider i marine næringskjeder i Arktiske områder
2015
Overvåking av radioaktiv forurensning i det marine miljø
2015
Radioaktiv forurensning av havet – Resultater fra undersøkelser i nordlige farvann
2015
Sjømat og tiltak
2014
Joint Russian-Norwegian expedition to the dumping sites for radioactive Waste and spent Nuclear fuel in the Stepovogo fjord of the Kara sea, August - September 2012: investigations performed and main results
2014
Radioactive contamination in Norwegian fish and seafood 1960-2013: time trends and geographical trends.
2014
Radioaktivitet i marint miljø, overvåkingsprogram. Konsekvenser og tiltak for sjømaten, både villfisk og oppdrettet (inkl fôr).
Poster
2023
Bioconcentration factors (BCFs) and sediment distribution coefficients (Kds) for 137Cs in a sheltered Norwegian fjord system
2017
The impact of tidal and mesoscale eddy advection on the long term dispersion of 99Tc from Sellafield
2017
Natural and anthropogenic radionuclides in Norwegian farmed Atlantic salmon (Salmo salar)
2014
Monitoring of the nuclear submarine Komsomolets
Rapporter og avhandlinger
2024
Revision of the Norwegian-Russian Barents Sea Ecosystem Survey (BESS) - The current status and revision of the Norwegian sector of the BESS survey
Rapport fra havforskningen
2024
Investigation into the Radioecological Status of the sunken Nuclear Submarine Komsomolets in the Norwegian Sea - Results from the 2019 Norwegian research cruise
2024
North Sea Ecosystem - Report_2023002006
Toktrapport
2023
North Sea Ecosystem Cruise Report_JH2022206
2020
Radioactivity in the Marine Environment 2015, 2016 and 2017. Results from the Norwegian Marine Monitoring Programme (RAME)
2020
Knowledge update on macroalgae food and feed safety - based on data generated in the period 2014-2019 by the Institute of Marine Research, Norway
2020
Radioactive contamination. Annex 5: Working document.
2019
Cruise report: Investigation of the marine environment around the nuclear submarine “Komsomolets” 6.-10. July 2019 (IMR cruise number 2019109)
2019
A study in environmental chemistry: natural and anthropogenic radionuclides in sediment cores from the Norwegian Trench and the Vefsnfjord
2018
Kvikksølvinnhold i fisk og annen sjømat ved vraket av U-864 vest av Fedje
2018
Investigation into the radiological status of the site of the sunken nuclear submarine K-159 in the Barents Sea
2017
Radioactivity in the marine environment 2012, 2013 and 2014 - Results from the Norwegian National Monitoring Programme (RAME)
2017
10 years of joint monitoring of radioactive substances in the Barents Sea
2017
Radioactive substances in Norwegian farmed Atlantic salmon (Salmo salar)
2017
Report of the Working Group on the Integrated Assessments of the Barents Sea. WGIBAR 2017 Report, 16-18 March 2017. Murmansk, Russia. ICES CM 2017/SSGIEA:04
2015
Undersøkelser ved vraket av atomubåten K-159
2015
Joint Norwegian-Russian expedition to investigate the sunken nuclear submarine K-159 in the Barents Sea
2015
Radioaktiv forurensning i fisk og sjømat i perioden 1991-2011
2015
Radioactivity in the Marine Environment 2011. Results from the Norwegian Marine Monitoring Programme (RAME)
2014
Investigation into the radioecological status of Stepovogo Fjord. The dumping site of the nuclear submarine K-27 and solid radioactive waste. Results from the 2012 research cruise.
2014
Radioactive contamination in sediments near the sunken nuclear submarine Komsomolets, SW of Bear Island in the Norwegian Sea
2011
Caesium-137 (137Cs) in sediment cores from the Norwegian Sea – including lead-210 (210Pb) dating and comparison with organic contamination levels)
2011
Technetium-99 (99Tc) in the North and Nordic Seas – the present status (2010) and a compilation of the Institute of Marine Research’s monitoring data (2003-2009)
2009
Technetium-99 in selected marine fauna in western Norway during 2006
2005
Radioactivity in the Marine Environment 2003. Results from the Norwegian Marine Monitoring Programme (RAME)
2001
Radioactivity in Norwegian waters: Distribution in seawater and sediments, and uptake in marine organisms
1995
Synteser og røntgenkrystallografiske strukturbestemmelser av kopper(II)-tion-komplekser
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