Articles | Volume 17, issue 3
https://doi.org/10.5194/bg-17-757-2020
© 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/bg-17-757-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Particulate trace metal dynamics in response to increased CO2 and iron availability in a coastal mesocosm experiment
M. Rosario Lorenzo
Department of Ecology, Faculty of Sciences, University of Málaga,
Bulevar Louis Pasteur, 29071 Málaga, Spain
Department of Ecology, Faculty of Sciences, University of Málaga,
Bulevar Louis Pasteur, 29071 Málaga, Spain
Jay T. Cullen
School of Earth and Ocean Sciences, University of Victoria, 3800
Finnerty Road, A405, Victoria BC V8P 5C2, Canada
María T. Maldonado
CORRESPONDING AUTHOR
Department of Earth, Ocean and Atmospheric Sciences, University of
British Columbia, 2207 Main Mall, Vancouver BC V6T 1Z4, Canada
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This study examines how variability in Pacific source waters influences the biogeochemistry of the Salish Sea. Using model simulations and observations, we traced the origins and properties of inflowing water and quantified the roles of circulation and property variability in shaping fluxes of oxygen, nutrients, and carbonate system tracers. These findings highlight key drivers of interannual change and their relevance under a changing climate.
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We studied the potential effects of increasing ocean alkalinity on a natural plankton community in subtropical waters of the Atlantic near Gran Canaria, Spain. Alkalinity is the capacity of water to resist acidification, and plankton are usually microscopic plants (phytoplankton) and animals (zooplankton), often less than 2.5 cm in length. This study suggests that increasing ocean alkalinity did not have a significant negative impact on the plankton community studied.
David González-Santana, María Segovia, Melchor González-Dávila, Librada Ramírez, Aridane G. González, Leonardo J. Pozzo-Pirotta, Veronica Arnone, Victor Vázquez, Ulf Riebesell, and J. Magdalena Santana-Casiano
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In a recent experiment off the coast of Gran Canaria (Spain), scientists explored a method called ocean alkalinization enhancement (OAE), where carbonate minerals were added to seawater. This process changed the levels of certain ions in the water, affecting its pH and buffering capacity. The researchers were particularly interested in how this could impact the levels of essential trace metals in the water.
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