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1. The Green Edge cruise: investigating the marginal ice zone processes during late spring and early summer to understand the fate of the Arctic phytoplankton bloom

Author

F. Bruyant, R. Amiraux, M.-P. Amyot, P. Archambault, L. Artigue, L. Barbedo de Freitas, G. Bécu, S. Bélanger, P. Bourgain, A. Bricaud, E. Brouard, C. Brunet, T. Burgers, D. Caleb, K. Chalut, H. Claustre, V. Cornet-Barthaux, P. Coupel, M. Cusa, F. Cusset, L. Dadaglio, M. Davelaar, G. Deslongchamps, C. Dimier, J. Dinasquet, D. Dumont, B. Else, I. Eulaers, J. Ferland, G. Filteau, M.-H. Forget, J. Fort, L. Fortier, M. Galí, M. Gallinari, S.-E. Garbus, N. Garcia, C. Gérikas Ribeiro, C. Gombault, P. Gourvil, C. Goyens, C. Grant, P.-L. Grondin, P. Guillot, S. Hillion, R. Hussherr, F. Joux, H. Joy-Warren, G. Joyal, D. Kieber, A. Lafond, J. Lagunas, P. Lajeunesse, C. Lalande, J. Larivière, F. Le Gall, K. Leblanc, M. Leblanc, J. Legras, K. Lévesque, K.-M. Lewis, E. Leymarie, A. Leynaert, T. Linkowski, M. Lizotte, A. Lopes dos Santos, C. Marec, D. Marie, G. Massé, P. Massicotte, A. Matsuoka, L. A. Miller, S. Mirshak, N. Morata, B. Moriceau, P.-I. Morin, S. Morisset, A. Mosbech, A. Mucci, G. Nadaï, C. Nozais, I. Obernosterer, T. Paire, C. Panagiotopoulos, M. Parenteau, N. Pelletier, M. Picheral, B. Quéguiner, P. Raimbault, J. Ras, E. Rehm, L. Ribot Lacosta, J.-F. Rontani, B. Saint-Béat, J. Sansoulet, N. Sardet, C. Schmechtig, A. Sciandra, R. Sempéré, C. Sévigny, J. Toullec, M. Tragin, J.-É. Tremblay, A.-P. Trottier, D. Vaulot, A. Vladoiu, L. Xue, G. Yunda-Guarin, and M. Babin

Subjects
Environmental sciences, GE1-350, Geology, QE1-996.5
Abstract

The Green Edge project was designed to investigate the onset, life, and fate of a phytoplankton spring bloom (PSB) in the Arctic Ocean. The lengthening of the ice-free period and the warming of seawater, amongst other factors, have induced major changes in Arctic Ocean biology over the last decades. Because the PSB is at the base of the Arctic Ocean food chain, it is crucial to understand how changes in the Arctic environment will affect it. Green Edge was a large multidisciplinary, collaborative project bringing researchers and technicians from 28 different institutions in seven countries together, aiming at understanding these changes and their impacts on the future. The fieldwork for the Green Edge project took place over two years (2015 and 2016) and was carried out from both an ice camp and a research vessel in Baffin Bay, in the Canadian Arctic. This paper describes the sampling strategy and the dataset obtained from the research cruise, which took place aboard the Canadian Coast Guard ship (CCGS) Amundsen in late spring and early summer 2016. The sampling strategy was designed around the repetitive, perpendicular crossing of the marginal ice zone (MIZ), using not only ship-based station discrete sampling but also high-resolution measurements from autonomous platforms (Gliders, BGC-Argo floats …) and under-way monitoring systems. The dataset is available at https://doi.org/10.17882/86417 (Bruyant et al., 2022).

Published
2022
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2. Green Edge ice camp campaigns: understanding the processes controlling the under-ice Arctic phytoplankton spring bloom

Author

P. Massicotte, R. Amiraux, M.-P. Amyot, P. Archambault, M. Ardyna, L. Arnaud, L. Artigue, C. Aubry, P. Ayotte, G. Bécu, S. Bélanger, R. Benner, H. C. Bittig, A. Bricaud, É. Brossier, F. Bruyant, L. Chauvaud, D. Christiansen-Stowe, H. Claustre, V. Cornet-Barthaux, P. Coupel, C. Cox, A. Delaforge, T. Dezutter, C. Dimier, F. Domine, F. Dufour, C. Dufresne, D. Dumont, J. Ehn, B. Else, J. Ferland, M.-H. Forget, L. Fortier, M. Galí, V. Galindo, M. Gallinari, N. Garcia, C. Gérikas Ribeiro, M. Gourdal, P. Gourvil, C. Goyens, P.-L. Grondin, P. Guillot, C. Guilmette, M.-N. Houssais, F. Joux, L. Lacour, T. Lacour, A. Lafond, J. Lagunas, C. Lalande, J. Laliberté, S. Lambert-Girard, J. Larivière, J. Lavaud, A. LeBaron, K. Leblanc, F. Le Gall, J. Legras, M. Lemire, M. Levasseur, E. Leymarie, A. Leynaert, A. Lopes dos Santos, A. Lourenço, D. Mah, C. Marec, D. Marie, N. Martin, C. Marty, S. Marty, G. Massé, A. Matsuoka, L. Matthes, B. Moriceau, P.-E. Muller, C.-J. Mundy, G. Neukermans, L. Oziel, C. Panagiotopoulos, J.-J. Pangrazi, G. Picard, M. Picheral, F. Pinczon du Sel, N. Pogorzelec, I. Probert, B. Quéguiner, P. Raimbault, J. Ras, E. Rehm, E. Reimer, J.-F. Rontani, S. Rysgaard, B. Saint-Béat, M. Sampei, J. Sansoulet, C. Schmechtig, S. Schmidt, R. Sempéré, C. Sévigny, Y. Shen, M. Tragin, J.-É. Tremblay, D. Vaulot, G. Verin, F. Vivier, A. Vladoiu, J. Whitehead, and M. Babin

Subjects
Environmental sciences, GE1-350, Geology, QE1-996.5
Abstract

The Green Edge initiative was developed to investigate the processes controlling the primary productivity and fate of organic matter produced during the Arctic phytoplankton spring bloom (PSB) and to determine its role in the ecosystem. Two field campaigns were conducted in 2015 and 2016 at an ice camp located on landfast sea ice southeast of Qikiqtarjuaq Island in Baffin Bay (67.4797∘ N, 63.7895∘ W). During both expeditions, a large suite of physical, chemical and biological variables was measured beneath a consolidated sea-ice cover from the surface to the bottom (at 360 m depth) to better understand the factors driving the PSB. Key variables, such as conservative temperature, absolute salinity, radiance, irradiance, nutrient concentrations, chlorophyll a concentration, bacteria, phytoplankton and zooplankton abundance and taxonomy, and carbon stocks and fluxes were routinely measured at the ice camp. Meteorological and snow-relevant variables were also monitored. Here, we present the results of a joint effort to tidy and standardize the collected datasets, which will facilitate their reuse in other Arctic studies. The dataset is available at https://doi.org/10.17882/59892 (Massicotte et al., 2019a).

Published
2020
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