Group leader for a research group at SINTEF Community. Works on life cycle assessment (LCA), greenhouse gas accounting and resource use in construction, operation and maintenance of transport infrastructure – from zero-emission construction sites and reuse of soil and aggregates, to biodiversity in life cycle assessment. Co-authored the Roadmap for Norwegian Infrastructure towards 2050 (2025). Part of the team that leads the network for Green Infrastructure in Norway.
Education
2005-2008 Bsc. in Mechanical/industrial Engineering from University of Reykjavik, Iceland.
2009-2011 Msc in Industrial Ecology from NTNU, Norway.
Phd from NTNU with the project "Environmental impact from winter road maintenance - a life-cycle perspective"
Competence and research areas
Life cycle assessment (LCA), greenhouse gas accounting, environmental product declarations (EPD), life cycle costing (LCC), material flow analysis (MFA). Zero-emission construction operations, circular resource use and mass handling, biodiversity and land use in life cycle assessment. Road operation and maintenance, winter maintenance. Environmental requirements in public procurement. Development of calculation and decision-support tools. Project management and leadership of national network.
Linkedin
https://www.linkedin.com/in/hrefnarunvignisdottir/
ResearchGate
https://www.researchgate.net/profile/Hrefna-Vignisdottir
ORCID
https://orcid.org/0000-0002-4634-4912