Last interglacial and Holocene climatic development in the Norwegian Sea region: ocean front movements and ice-core data 

Journal of Quaternary Science, Vol. 10, p. 385-390, 1995 

H.P. Sejrup, H. Haflidason and D.K. Kristensen
Department of Geology, University of Bergen, N-5007 Bergen, Norway.
S.J. Johnsen
Geofysisk Afdeling, Niels Bohr Instituttet for Astronomi, Fysik og Geofysik, Københavns Universitet

Planktonic foraminiferal evidence suggests that the ocean front systems between Polar and Atlantic surface waters in the Norwegian Sea generally were located closer to Greenland during Oxygen Isotope Substage 5e than in the Holocene. During both these periods oscillations have occurred in the position of the fronts. In the western Norwegian Sea region, the substage 5e influence of warm Atlantic waters was interupted by a return to polar conditions. These findings support both ice-core data and evidence from Europe that the last interglacial was a period of rapid climatic shifts.