Exchange visit at Institute of Ocean Sciences, Canada and University of Alaska Fairbanks, USA, for PhD student Arild Sundfjord

The NORKLIMA funded project CABANERA is a muliti-disciplinary project investigating the uptake and cycling of Carbon in the Marginal Ice Zone (MIZ) of the Barents Sea. Similar investigations are being made on the opposite side of the Arctic Ocean, throug h the projects SBE, CASES and JWACS. PhD candidate Arild Sundfjord therefore wishes to cooperate with core groups in physical oceanography of these projects. This is most efficiently performed through exchange stays at the respective institutions, the Ins titute of Ocean Sciences (IOS), Sidney, BC, Canada, and University of Alaska Fairbanks (UAF), Fairbanks, AK, USA. During the CABANERA cruise in summer 2004, measurements ranging from microscale turbulent phenomena to larger scale current fields will give a detailed picture of processes from generation of turbulence extracting energy from the mean flow field via the turbulent energy cascade, down to the scales of dissipation. The analysis of these results will benefit from interaction with expertise locat ed at IOS. The results will furthermore be used to improve the numerical model SINMOD, particularly the vertical diffusion algorithm and the connection between tides, current shear and vertical turbulence. This work will be performed in cooperation with e xperts on Arctic Ocean modelling at UAF. Both institutions are involved in interdisciplinary shelf-basin projects and it is expected that PhD candidate Sundfjord will benefit from working at IOS and UAF when it comes to integrating results of field measu rements and numerical modelling of physical oceanographic features with those of the biological and chemical oceanography compartments of the CABANERA project.