Articles | Volume 21, issue 16
https://doi.org/10.5194/bg-21-3617-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-21-3617-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
20 Aug 2024
Research article |
| 20 Aug 2024
| 20 Aug 2024
Estimates of carbon sequestration potential in an expanding Arctic fjord (Hornsund, Svalbard) affected by dark plumes of glacial meltwater
Marlena Szeligowska
CORRESPONDING AUTHOR
Marine Ecology Department, Institute of Oceanology, Polish Academy of Sciences, 81-712 Sopot, Poland
Déborah Benkort
Institute of Coastal Systems – Analysis and Modeling, Helmholtz-Zentrum Hereon, 21502 Geesthacht, Germany
Institut des Sciences de la Mer, Université du Québec à Rimouski, Allée des Ursulines, Rimouski, QC G5L 2Z9, Canada
Anna Przyborska
Physical Oceanography Department, Institute of Oceanology, Polish Academy of Sciences, 81-712 Sopot, Poland
Mateusz Moskalik
Department of Polar and Marine Research, Institute of Geophysics, Polish Academy of Sciences, 01-452 Warsaw, Poland
Bernabé Moreno
Marine Ecology Department, Institute of Oceanology, Polish Academy of Sciences, 81-712 Sopot, Poland
Emilia Trudnowska
Marine Ecology Department, Institute of Oceanology, Polish Academy of Sciences, 81-712 Sopot, Poland
Katarzyna Błachowiak-Samołyk
Marine Ecology Department, Institute of Oceanology, Polish Academy of Sciences, 81-712 Sopot, Poland
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EGUsphere, https://doi.org/10.5194/egusphere-2026-2515, https://doi.org/10.5194/egusphere-2026-2515, 2026
This preprint is open for discussion and under review for Biogeosciences (BG).
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Glacier retreat in Svalbard alters marine ecosystems, with marine snow linking chemistry, particles, and biota while driving carbon export. This study examines fine-scale variability in fjord waters, revealing strong seasonal and local differences in biogeochemistry, nutrients, plankton, and particles. Results highlight local heterogeneity in coupled physical–biogeochemical–ecological processes near retreating glaciers.
Meri Korhonen, Mateusz Moskalik, Oskar Głowacki, and Vineet Jain
Earth Syst. Sci. Data, 16, 4511–4527, https://doi.org/10.5194/essd-16-4511-2024, https://doi.org/10.5194/essd-16-4511-2024, 2024
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Since 2015, temperature and salinity have been monitored in Hornsund fjord (Svalbard), where retreating glaciers add meltwater and terrestrial matter to coastal waters. Therefore, turbidity and water sampling for suspended sediment concentration and sediment deposition are measured. The monitoring spans from May to October, enabling studies on seasonality and its variability over the years, and the dataset covers the whole fjord, including the inner basins in close proximity to the glaciers.
Jarosław Tęgowski, Oskar Glowacki, Michał Ciepły, Małgorzata Błaszczyk, Jacek Jania, Mateusz Moskalik, Philippe Blondel, and Grant B. Deane
The Cryosphere, 17, 4447–4461, https://doi.org/10.5194/tc-17-4447-2023, https://doi.org/10.5194/tc-17-4447-2023, 2023
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Receding tidewater glaciers are important contributors to sea level rise. Understanding their dynamics and developing models for their attrition has become a matter of global concern. Long-term monitoring of glacier frontal ablation is very difficult. Here we show for the first time that calving fluxes can be estimated from the underwater sounds made by icebergs impacting the sea surface. This development has important application to understanding the response of glaciers to warming oceans.
Zuzanna M. Swirad, Mateusz Moskalik, and Agnieszka Herman
Earth Syst. Sci. Data, 15, 2623–2633, https://doi.org/10.5194/essd-15-2623-2023, https://doi.org/10.5194/essd-15-2623-2023, 2023
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Monitoring ocean waves is important for understanding wave climate and seasonal to longer-term (years to decades) changes. In the Arctic, there is limited freely available observational wave information. We placed sensors at the sea bottom of six bays in Hornsund fjord, Svalbard, and calculated wave energy, wave height and wave period for full hours between July 2013 and February 2021. In this paper, we present the procedure of deriving wave properties from raw pressure measurements.
Rainer Kiko, Marc Picheral, David Antoine, Marcel Babin, Léo Berline, Tristan Biard, Emmanuel Boss, Peter Brandt, Francois Carlotti, Svenja Christiansen, Laurent Coppola, Leandro de la Cruz, Emilie Diamond-Riquier, Xavier Durrieu de Madron, Amanda Elineau, Gabriel Gorsky, Lionel Guidi, Helena Hauss, Jean-Olivier Irisson, Lee Karp-Boss, Johannes Karstensen, Dong-gyun Kim, Rachel M. Lekanoff, Fabien Lombard, Rubens M. Lopes, Claudie Marec, Andrew M. P. McDonnell, Daniela Niemeyer, Margaux Noyon, Stephanie H. O'Daly, Mark D. Ohman, Jessica L. Pretty, Andreas Rogge, Sarah Searson, Masashi Shibata, Yuji Tanaka, Toste Tanhua, Jan Taucher, Emilia Trudnowska, Jessica S. Turner, Anya Waite, and Lars Stemmann
Earth Syst. Sci. Data, 14, 4315–4337, https://doi.org/10.5194/essd-14-4315-2022, https://doi.org/10.5194/essd-14-4315-2022, 2022
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The term
marine particlescomprises detrital aggregates; fecal pellets; bacterioplankton, phytoplankton and zooplankton; and even fish. Here, we present a global dataset that contains 8805 vertical particle size distribution profiles obtained with Underwater Vision Profiler 5 (UVP5) camera systems. These data are valuable to the scientific community, as they can be used to constrain important biogeochemical processes in the ocean, such as the flux of carbon to the deep sea.
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Short summary
The European Arctic is experiencing rapid regional warming, causing glaciers that terminate in the sea to retreat onto land. Due to this process, the area of a well-studied fjord, Hornsund, has increased by around 100 km2 (40%) since 1976. Combining satellite and in situ data with a mathematical model, we estimated that, despite some negative consequences of glacial meltwater release, such emerging coastal waters could mitigate climate change by increasing carbon uptake and storage by sediments.
The European Arctic is experiencing rapid regional warming, causing glaciers that terminate in...
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