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Marianne Unaas Rønsberg

Senior Engineer

Marianne Unaas Rønsberg

Senior Engineer

Marianne Unaas Rønsberg
Phone: 950 22 579
Email:
Department: Environment and New Resources
Office: Trondheim

Publications and responsibilities

Publication
https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1811764

Several laboratory studies have demonstrated that exposure to oil components cause toxicity to copepods, however, this has never been shown in natural populations of copepods. In the present study, we sampled copepods in an area of the North Sea with high density of oil production platforms discharg...

Authors Hansen Bjørn Henrik Sørensen Lisbet Størseth Trond Røvik Altin Dag Gonzalez Susana Villa Skancke Jørgen Rønsberg Marianne Unaas Nordtug Trond
Year 2020
Type Journal publication
Publication
https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1751132

For the MIKON Polar Cod experiments, SINTEF Ocean has provided sample handling protocol recommendations, extraction, and analysis of two PAH metabolites in bile from polar cod (females and males) exposed to crude oil in the water phase, with a combination of two diet regimes (low and high)....

Authors Sarno Antonio Rønsberg Marianne Unaas Sørensen Lisbet
Year 2019
Type Report/thesis
Publication
https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1585778

Regulation of produced water (PW) discharges on the Norwegian continental shelf is based on a maximum oil-in-water limit of 30 mg L¬1. However, the use of conventional oil quantification methods based on traditional GC is limited when it comes to polar compounds that originate from produced cru...

Authors Størseth Trond Røvik Booth Andy Altin Dag Brunsvik Anders Rønsberg Marianne Unaas Sørensen Lisbet Hansen Bjørn Henrik Robson William McCormack Paul Rowland Steven J Faksness Liv Guri
Year 2018
Type Conference lecture and academic presentation
Publication
https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1585775

It has been proposed that microplastic (MP) may act as a vector for a wide range of chemical pollutants already present in the environment. Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous pollutants in the environment, known to cause adverse effects to a variety of marine organisms. Most PAHs...

Authors Sørensen Lisbet Rogers Emilie Altin Dag Rønsberg Marianne Unaas Booth Andy
Year 2018
Type Conference lecture and academic presentation
Publication
https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1578225

Hydrocarbon biodegradation may be slower in cold Arctic than in temperate seawater, and this will affect the toxicity time window of the hydrocarbons. In this study, the acute toxicities of water-soluble phases of 1,3-dimethylnaphthalene, phenanthrene, fluoranthene, and low energy water-accommodated...

Authors Brakstad Odd Gunnar Størseth Trond Røvik Rønsberg Marianne Unaas Hansen Bjørn Henrik
Year 2018
Type Journal publication
Publication
https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1557763

The 12th Oil Spill ldentification Round Robin test (RR2017 ) within the Bonn Agreement Oil Spill ldentification Network of Experts (OSINET ) has been organized by Rijkswaterstaat, Netherlands. This year's case consisted of two spill samples and three source samples in addition to four samples from l...

Year 2018
Type Report/thesis
Publication
https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1474839

The main aim of this project was to provide a basis for assessing the potential health effects of produced water (PW) on the marine pelagic zooplankton Calanus finmarchicus in the field. This report describes three experiments assessing the impact of reconstituted PW extracts on copepod PAH body res...

Authors Hansen Bjørn Henrik Altin Dag Størseth Trond Røvik Rønsberg Marianne Unaas Aas Marianne Netzer Roman Haugen Tone Nordtug Trond
Year 2017
Type Report/thesis