Articles | Volume 16, issue 5
Research article
27 Oct 2020
Research article |  | 27 Oct 2020

Sea-ice and water dynamics and moonlight impact the acoustic backscatter diurnal signal over the eastern Beaufort Sea continental slope

Igor A. Dmitrenko, Vladislav Petrusevich, Gérald Darnis, Sergei A. Kirillov, Alexander S. Komarov, Jens K. Ehn, Alexandre Forest, Louis Fortier, Søren Rysgaard, and David G. Barber

Related authors

The role of oceanic heat flux in reducing thermodynamic ice growth in Nares Strait and promoting earlier collapse of the ice bridge
Sergei Kirillov, Igor Dmitrenko, David G. Babb, Jens K. Ehn, Nikolay Koldunov, Søren Rysgaard, David Jensen, and David G. Barber
Ocean Sci., 18, 1535–1557,,, 2022
Short summary
Atmospherically forced sea-level variability in western Hudson Bay, Canada
Igor A. Dmitrenko, Denis L. Volkov, Tricia A. Stadnyk, Andrew Tefs, David G. Babb, Sergey A. Kirillov, Alex Crawford, Kevin Sydor, and David G. Barber
Ocean Sci., 17, 1367–1384,,, 2021
Short summary
Impact of tidal dynamics on diel vertical migration of zooplankton in Hudson Bay
Vladislav Y. Petrusevich, Igor A. Dmitrenko, Andrea Niemi, Sergey A. Kirillov, Christina Michelle Kamula, Zou Zou A. Kuzyk, David G. Barber, and Jens K. Ehn
Ocean Sci., 16, 337–353,,, 2020
Short summary
Arctic Ocean outflow and glacier–ocean interactions modify water over the Wandel Sea shelf (northeastern Greenland)
Igor A. Dmitrenko, Sergey A. Kirillov, Bert Rudels, David G. Babb, Leif Toudal Pedersen, Søren Rysgaard, Yngve Kristoffersen, and David G. Barber
Ocean Sci., 13, 1045–1060,,, 2017
Storm-induced water dynamics and thermohaline structure at the tidewater Flade Isblink Glacier outlet to the Wandel Sea (NE Greenland)
Sergei Kirillov, Igor Dmitrenko, Søren Rysgaard, David Babb, Leif Toudal Pedersen, Jens Ehn, Jørgen Bendtsen, and David Barber
Ocean Sci., 13, 947–959,,, 2017
Short summary

Cited articles

Barber, D. G., Hop, H., Mundy, C. J., Else, B., Dmitrenko, I. A., Tremblay, J.-E., Ehn, J. K., Assmy, P., Daase, M., Candlish, L. M., and Rysgaard, S.: Selected physical, biological and biogeochemical implications of a rapidly changing Arctic Marginal Ice Zone, Prog. Oceanogr., 139, 122–150,, 2015. 
Basedow, S., Eiane, K., Tverberg, V., and Spindler, M.: Advection of the zooplankton in an Arctic fjord (Kongsfjorden, Svalbard), Estuar. Coast. Shelf Sci., 60, 113–124,, 2004. 
Båtnes, A. S., Miljeteig, C., Berge, J., Greenacre, M., and Johnsen, G.: Quantifying the light sensitivity of Calanus spp. during the polar night: potential for orchestrated migrations conducted by ambient light from the sun, moon, or aurora borealis?, Polar Biol., 38, 51–65,, 2013. 
Berge, J., Cottier, F., Last, K. S., Varpe, Ø., Leu, E., Søreide, J., Eiane, K., Falk-Petersen, S., Willis, K., Nygård, H., Vogedes, D., Griffiths, C., Johnsen, G., Lorentzen, D., and Brierley, A. S.: Diel vertical migration of Arctic the zooplankton during the polar night, Biol. Lett., 5, 69–72,, 2009. 
Berge, J., Renaud, P. E., Darnis, G., Cottier, F., Last, K., Gabrielsen, T. M., Johnsen, G., Seuthe, L., Weslawski, J. M., Leuc, E., Moline, M., Nahrgang, J., Søreide, J. E., Varpeb, Ø., Lønne, O. J., Daasea, M., and Falk-Petersen, S.: In the dark: A review of ecosystem processes during the Arctic polar night, Prog. Oceanogr., 139, 258–271,, 2015. 
Short summary
Diel vertical migration (DVM) of zooplankton is the largest nonhuman migration on the Earth. DVM in the eastern Beaufort Sea was assessed using a 2-year-long time series of currents and acoustic signal from a bottom-anchored oceanographic mooring. Our results show that DVM is deviated by the (i) seasonal and interannual variability in sea ice and (ii) wind-driven water dynamics. We also observed the midnight-sun DVM during summer 2004, a signal masked by suspended particles in summer 2005.