Articles | Volume 16, issue 5
https://doi.org/10.5194/os-16-1261-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-16-1261-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
27 Oct 2020
Research article |
| 27 Oct 2020
| 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
CORRESPONDING AUTHOR
Centre for Earth Observation Science, University of Manitoba,
Winnipeg, R3T 2N2, Canada
Vladislav Petrusevich
Centre for Earth Observation Science, University of Manitoba,
Winnipeg, R3T 2N2, Canada
Gérald Darnis
Department of Biology, Laval University, Québec City, G1V 0A6,
Canada
Sergei A. Kirillov
Centre for Earth Observation Science, University of Manitoba,
Winnipeg, R3T 2N2, Canada
Alexander S. Komarov
Data Assimilation and Satellite Meteorology Research Section,
Environment and Climate Change Canada, Ottawa, K1A 0H3, Canada
Jens K. Ehn
Centre for Earth Observation Science, University of Manitoba,
Winnipeg, R3T 2N2, Canada
Alexandre Forest
Department of Biology, Laval University, Québec City, G1V 0A6,
Canada
Louis Fortier
Department of Biology, Laval University, Québec City, G1V 0A6,
Canada
deceased, 4 October 2020
Søren Rysgaard
Centre for Earth Observation Science, University of Manitoba,
Winnipeg, R3T 2N2, Canada
Arctic Research Centre, Aarhus University, Aarhus, 8000, Denmark
David G. Barber
Centre for Earth Observation Science, University of Manitoba,
Winnipeg, R3T 2N2, Canada
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J. V. Lukovich, D. G. Babb, R. J. Galley, R. L. Raddatz, and D. G. Barber
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S. Rysgaard, D. H. Søgaard, M. Cooper, M. Pućko, K. Lennert, T. N. Papakyriakou, F. Wang, N. X. Geilfus, R. N. Glud, J. Ehn, D. F. McGinnis, K. Attard, J. Sievers, J. W. Deming, and D. Barber
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E. A. A. Versteegh, M. E. Blicher, J. Mortensen, S. Rysgaard, T. D. Als, and A. D. Wanamaker Jr.
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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.
Diel vertical migration (DVM) of zooplankton is the largest nonhuman migration on the Earth. DVM...
