Various instruments at different depth level with each yearly deployment. Refer to R. Skogseth, L.L.A. Olivier, F. Nilsen, E. Falck, N. Fraser, V. Tverberg, A.B. Ledang, A. Vader, M.O. Jonassen, J. Søreide, F. Cottier, J. Berge, B.V. Ivanov, S. Falk-Petersen (2020) Variability and decadal trends in the Isfjorden (Svalbard) ocean climate and circulation – An indicator for climate change in the European Arctic, Progress in Oceanography, Volume 187, https://doi.org/10.1016/j.pocean.2020.102394 and the supplementary data in Appendix A of this paper for full details of sensors and depths.