Ocean Science
Ocean Science
OS
Articles | Volume 18, issue 2
Articles | Volume 18, issue 2
https://doi.org/10.5194/os-18-455-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-18-455-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 2
Research article
 | 
07 Apr 2022
Research article |  | 07 Apr 2022

Inherent optical properties of dissolved and particulate matter in an Arctic fjord (Storfjorden, Svalbard) in early summer

Tristan Petit, Børge Hamre, Håkon Sandven, Rüdiger Röttgers, Piotr Kowalczuk, Monika Zablocka, and Mats A. Granskog

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Cited articles

Aas, E. and Berge, G.: Irradiance observations in the Norwegian and Barents Seas. Institute report series (Universitetet i Oslo, Institutt for geofysikk), https://www.duo.uio.no/bitstream/handle/10852/61611/1/Aas-Berge-1976-Rep-23.pdf (last access: 30 January 2022), 1976. 
Aas, E. and Høkedal, J.: Penetration of ultraviolet B, blue and quanta irradiance into Svalbard waters, Polar Res., 15, 127–138, https://doi.org/10.3402/polar.v15i2.6642, 1996. 
Ardyna, M., Babin, M., Gosselin, M., Devred, E., Bélanger, S., Matsuoka, A., and Tremblay, J.-É.: Parameterization of vertical chlorophyll a in the Arctic Ocean: impact of the subsurface chlorophyll maximum on regional, seasonal, and annual primary production estimates, Biogeosciences, 10, 4383–4404, https://doi.org/10.5194/bg-10-4383-2013, 2013. 
Bélanger, S., Cizmeli, S. A., Ehn, J., Matsuoka, A., Doxaran, D., Hooker, S., and Babin, M.: Light absorption and partitioning in Arctic Ocean surface waters: impact of multiyear ice melting, Biogeosciences, 10, 6433–6452, https://doi.org/10.5194/bg-10-6433-2013, 2013. 
Bensi, M., Kovačević, V., Langone, L., Aliani, S., Ursella, L., Goszczko, I., Soltwedel, T., Skogseth, R., Nilsen, F., and Deponte, D.: Deep flow variability offshore south-west Svalbard (Fram Strait), Water, 11, 683, https://doi.org/10.3390/w11040683, 2019. 
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We provide the first insights on bio-optical processes in Storfjorden (Svalbard). Information on factors controlling light propagation in the water column in this arctic fjord becomes crucial in times of rapid sea ice decline. We find a significant contribution of dissolved matter to light absorption and a subsurface absorption maximum linked to phytoplankton production. Dense bottom waters from sea ice formation carry elevated levels of dissolved and particulate matter.
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