Engineering geological and geophysical investigations for road construction in the municipality of Sisimiut, West Greenland

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Abstract

In connection with a road construction project between the towns of Sisimiut and Kangerlussuaq in Central West Greenland, the Arctic Technology Centre has been involved in prospecting and site investigations. This paper presents a selection of results concerning the climatic conditions and permafrost distribution, as well as engineering geological and geotechnical investigations conducted. We present data from two soil temperature stations, and show that the recent climatic warming has resulted in changes in the state of the permafrost. Furthermore, we present a geological type section based on engineering geological investigations in the Sisimiut area. Geophysical investigations show that presence of permafrost is widespread, and our results indicate that the vertical thickness of the permafrost may reach 20 m. Further climate warming in the near future will impose high demands on design and construction work in order to counter the effects of permafrost degradation and increased active layer thickness.
Original languageEnglish
Title of host publicationInternational Conference, Arctic Roads : Operating, maintaining and building roads in a climatically challenging environment
EditorsThomas Ingeman-Nielsen, Janne Fritt-Rasmussen, Niels Brock, Arne Villumsen
Number of pages88
Place of PublicationKgs. Lyngby, Denmark
PublisherDTU Byg, Danmarks Tekniske Universitet
Publication date2007
Pages53-61
ISBN (Print)978-877877-230-5
Publication statusPublished - 2007
EventArctic roads - International conference : Operating, maintaining and building roads in a climatically challenging environment - Sisimiut, Greenland
Duration: 1 Jan 2007 → …

Conference

ConferenceArctic roads - International conference : Operating, maintaining and building roads in a climatically challenging environment
CitySisimiut, Greenland
Period01/01/2007 → …

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