Data

Assessing the influence of ocean alkalinity enhancement on a coastal phytoplankton community - manuscript data

Australian Ocean Data Network

Ferderer, Aaron

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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.25959/8PEA-SW88&rft.title=Assessing the influence of ocean alkalinity enhancement on a coastal phytoplankton community - manuscript data&rft.identifier=10.25959/8PEA-SW88&rft.description=The effect of ocean alkalinity enhancement on a coastal phytoplankton community was assessed via a microcosm experiment. The effect of alkalinity enhancement in two scenarios (i) when enclosed seawater was in equilibrium with atmospheric CO2 and (ii) when enclosed seawater was not in equilibrium with atmospheric CO2 were explored. Alkalinity was increased by ~497 umol/kg in these two treatments and plankton communities, carbonate chemistry, dissolved inorganic nutrients, particulate matter and chlorophyll a dynamics monitored over a 22 day period where a spring bloom occurred.Maintenance and Update Frequency: none-plannedStatement: Sampling involved individually submersing nine open microcosms to a depth of 1 meter below sea level and then closing these microcosms, enclosing seawater and a naturally occurring phytoplankton community. Once the water was enclosed inside the microcosms, they were transported inside (IMAS) split into three groups; a control which received no alkalinity manipulation, “unequilibrated” group enriched with 500 µL of NaOH (Merck, Titripur) per litre, and “equilibrated” group enriched with 423 µL of 1 molar NaHCO3 solution per litre and 77 µL of NaOH (Merck, Titripur) per litre. following this microcosms were left to incubate for 22 days and a range of samples taken from each microcosm on varying timescales dependent on the sample. Samples/measurements taken included; pH, temperature, dissolved inorganic nutrients (nitrate+nitrite, phosphate, silicate), flow cytometry (1-3 ml from each microcosm), total particulate material (carbon, nitrogen and phosphate), chlorophyll a, total alkalinity and samples for the scanning electron microscope.&rft.creator=Ferderer, Aaron &rft.date=2015&rft.coverage=uplimit=1; downlimit=0&rft.coverage=uplimit=1; downlimit=0&rft_rights=Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0/&rft_rights=Cite data as: Ferderer, A. (2021). Assessing the influence of ocean alkalinity enhancement on a coastal phytoplankton community - manuscript data [Data set]. Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS). https://doi.org/10.25959/8PEA-SW88&rft_rights=The data described in this record are the intellectual property of the University of Tasmania through the Institute for Marine and Antarctic Studies.&rft_subject=oceans&rft_subject=EARTH SCIENCE | OCEANS | OCEAN CHEMISTRY | BIOGEOCHEMICAL CYCLES&rft_subject=EARTH SCIENCE | BIOSPHERE | ECOSYSTEMS | AQUATIC ECOSYSTEMS | PLANKTON | PHYTOPLANKTON&rft_subject=EARTH SCIENCE | BIOSPHERE | ECOSYSTEMS | AQUATIC ECOSYSTEMS | PLANKTON&rft_subject=EARTH SCIENCE | OCEANS | OCEAN CHEMISTRY | CARBON DIOXIDE&rft_subject=EARTH SCIENCE | OCEANS | OCEAN CHEMISTRY | ALKALINITY&rft_subject=EARTH SCIENCE | BIOSPHERE | ECOSYSTEMS | MARINE ECOSYSTEMS | COASTAL&rft_subject=Biological Oceanography&rft_subject=EARTH SCIENCES&rft_subject=OCEANOGRAPHY&rft_subject=Marine and Estuarine Ecology (incl. Marine Ichthyology)&rft_subject=BIOLOGICAL SCIENCES&rft_subject=ECOLOGY&rft_subject=Chemical Oceanography&rft.type=dataset&rft.language=English Access the data

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Creative Commons Attribution 4.0 International License
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Cite data as: Ferderer, A. (2021). Assessing the influence of ocean alkalinity enhancement on a coastal phytoplankton community - manuscript data [Data set]. Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS). https://doi.org/10.25959/8PEA-SW88

The data described in this record are the intellectual property of the University of Tasmania through the Institute for Marine and Antarctic Studies.

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Brief description

The effect of ocean alkalinity enhancement on a coastal phytoplankton community was assessed via a microcosm experiment. The effect of alkalinity enhancement in two scenarios (i) when enclosed seawater was in equilibrium with atmospheric CO2 and (ii) when enclosed seawater was not in equilibrium with atmospheric CO2 were explored. Alkalinity was increased by ~497 umol/kg in these two treatments and plankton communities, carbonate chemistry, dissolved inorganic nutrients, particulate matter and chlorophyll a dynamics monitored over a 22 day period where a spring bloom occurred.

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Maintenance and Update Frequency: none-planned

Statement: Sampling involved individually submersing nine open microcosms to a depth of 1 meter below sea level and then closing these microcosms, enclosing seawater and a naturally occurring phytoplankton community. Once the water was enclosed inside the microcosms, they were transported inside (IMAS) split into three groups; a control which received no alkalinity manipulation, “unequilibrated” group enriched with 500 µL of NaOH (Merck, Titripur) per litre, and “equilibrated” group enriched with 423 µL of 1 molar NaHCO3 solution per litre and 77 µL of NaOH (Merck, Titripur) per litre. following this microcosms were left to incubate for 22 days and a range of samples taken from each microcosm on varying timescales dependent on the sample. Samples/measurements taken included; pH, temperature, dissolved inorganic nutrients (nitrate+nitrite, phosphate, silicate), flow cytometry (1-3 ml from each microcosm), total particulate material (carbon, nitrogen and phosphate), chlorophyll a, total alkalinity and samples for the scanning electron microscope.

Data time period: 2021-08-12 to 2021-09-03

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uri : https://data.imas.utas.edu.au/attachments/52274977-d58e-47fc-8bc0-f438837f6ea4 External Link

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DOI : 10.25959/8PEA-SW88
global : 52274977-d58e-47fc-8bc0-f438837f6ea4

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