Education
Jansen got a Master of Science degree in 1981 and a Doctor of Philosophy degree (drscient) in 1984 from the University of Bergen.
Jansen got a Master of Science degree in 1981 and a Doctor of Philosophy degree (drscient) in 1984 from the University of Bergen.
He headed the Bjerknes Centre from its founding in 2000 to 2013. He was assistant and later associate professor in marine geology at the university 1985–1993 and became a full professor in 1993. He was a co-ordinating lead author for the paleoclimate chapter of the IPCC Fourth Assessment Report and was one of the lead authors of the IPCC Fifth Assessment Report.
Academia Europaea
Norwegian Academy of Science and Letters
Norwegian Academy of Technological Sciences
Norwegian Scientific Academy for Polar Research.
Norwegian Academy of Science and Letters. Academia Europaea; Norwegian Academy of Technological Sciences.