Research report
Open access (green)
Author (1)
- Malin Hildegard Elisabeth Daase
Abstract
Cruise dates: 2023-08-15/2023-08-28 Ship: R/V Helmer Hanssen
Table of Contents Introduction …………………………………………………………………………………………………………………………… 2 Cruise participants …………………………………………………………………………………………………………………. 3 Study area and cruise summary ……………………………………………………………………………………………….. 4 Research projects …………………………………………………………………………………………………………………… 7 MVP transect …………………………………………………………………………………………………………………….. 7 Vertical sampling at stations with LOPC, LISST and WBAT…………………………………………………. 11 Water sampling, phytoplankton and production rate measurements ………………………………………… 18 Primary and bacterial production ………………………………………………………………………………………… 23 Phytoplankton photophysiology measured by Fast Repetition Rate fluorometry (FRRf) ……………. 24 Phytoplankton composition ……………………………………………………………………………………………….. 25 In situ FRRF deployments …………………………………………………………………………………………………. 26 Mesozooplankton composition and Calanus lipid content………………………………………………………. 27 Macrozooplankton, pelagic fish, and acoustics …………………………………………………………………….. 31 Glider data sampling for Polar Front mission summer 2023 …………………………………………………… 37 Appendix I - Sample log ……………………………………………………………………………………………………….. 43