• Application of an underwater hyperspectral imager (UHI) for the study of sea ice algae 

      Osanen, Janina (Master thesis; Mastergradsoppgave, 2022-08-22)
      Sea ice provides an important habitat for sea ice algae, the main primary producers in sea ice covered ocean areas. In order to reliably estimate sea ice algal distribution and production, it is important to develop remote sensing methods that can provide these estimates with minimal coring. Underwater hyperspectral imagers (UHI) can capture fine-scale variability in the transmitted spectral profile ...
    • Photophysiological responses of bottom sea-ice algae to fjord dynamics and rapid freshening 

      Forgereau, Zoé Lulu; Lange, Benjamin Allen; Gradinger, Rolf Rudolf; Assmy, Philipp Kurt Wolf; Osanen, Janina; Martín, Laura; Søreide, Janne; Granskog, Mats; Leu, Eva; Campbell, Karley Lynn (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-12-13)
      Sea ice algae have a broad salinity tolerance but can experience stress during rapid decreases in salinity that occur with seasonal ice melt and during ice sample melt. This study investigated the impact of salinity on the photophysiological responses of bottom-ice algal communities from two Svalbard fjords (Tempelfjorden and Van Mijenfjorden). To further investigate the impact of salinity alone, ...