Data

Chlorophyll a data collected during the SIPEX II voyage of the Aurora Australis, 2012

Australian Antarctic Division
Coad, T. and McMinn, A. ; COAD, THOMAS ; MCMINN, ANDREW
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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:doi10.4225/15/59a4d1107b1bc&rft.title=Chlorophyll a data collected during the SIPEX II voyage of the Aurora Australis, 2012&rft.identifier=10.4225/15/59a4d1107b1bc&rft.publisher=Australian Antarctic Data Centre&rft.description=Chlorophyll data was used to measure growth rates of sea ice algae in CO2 incubations. Sea ice brine microalgae was collected from sackholes. Replicate samples were incubated in ambient air (~0.04% CO2), 0.1% CO2, 1.0% CO2 and 2.0% CO2 concentrations. AT the end of the incubations the 50 ml samples were filtered through a 25 mm GF/F filter using vacuum filtration. The filters were placed in 15 ml plastic falcon tubes containing 10 ml of methanol, covered in aluminium foil and kept in the dark at 4 degrees C for 12 hours. Chl a concentration was measured using a 10AU Turner fluorometer following the acidification method of Strickland and Parsons (1972). Data in spread sheet shows the extracted chl + phaeophytin, phaeophytin and chlorophyll concentrations (micro grams l-1) for each of the three experiments.Data were collected at SIPEX Ice Stations 1-8 and SIPEX CTD stations 2-5Progress Code: completed&rft.creator=Coad, T. and McMinn, A. &rft.creator=COAD, THOMAS &rft.creator=MCMINN, ANDREW &rft.date=2014&rft.coverage=westlimit=113.0; southlimit=-66.0; eastlimit=147.0; northlimit=-42.0&rft.coverage=westlimit=113.0; southlimit=-66.0; eastlimit=147.0; northlimit=-42.0&rft_rights=These data are publicly available for download from the provided URL.&rft_rights=Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/legalcode&rft_rights=This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=SIPEX_II_Chlorophyll_a when using these data.&rft_rights=This metadata record is publicly available.&rft_subject=oceans&rft_subject=EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CHLOROPHYLL&rft_subject=EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE&rft_subject=EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PLANTS > MICROALGAE&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE&rft_subject=Ocean acidification&rft_subject=Chlorophyll a&rft_subject=SHIPS&rft_subject=R/V AA > R/V Aurora Australis&rft_subject=AMD/AU&rft_subject=CEOS&rft_subject=AMD&rft_subject=ACE/CRC&rft_subject=OCEAN > SOUTHERN OCEAN&rft_subject=CONTINENT > ANTARCTICA&rft_subject=GEOGRAPHIC REGION > POLAR&rft.type=dataset&rft.language=English Access the data
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Attribution 4.0 International (CC BY 4.0)
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These data are publicly available for download from the provided URL.

This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=SIPEX_II_Chlorophyll_a when using these data.

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Chlorophyll data was used to measure growth rates of sea ice algae in CO2 incubations. Sea ice brine microalgae was collected from sackholes. Replicate samples were incubated in ambient air (~0.04% CO2), 0.1% CO2, 1.0% CO2 and 2.0% CO2 concentrations. AT the end of the incubations the 50 ml samples were filtered through a 25 mm GF/F filter using vacuum filtration. The filters were placed in 15 ml plastic falcon tubes containing 10 ml of methanol, covered in aluminium foil and kept in the dark at 4 degrees C for 12 hours. Chl a concentration was measured using a 10AU Turner fluorometer following the acidification method of Strickland and Parsons (1972).
Data in spread sheet shows the extracted chl + phaeophytin, phaeophytin and chlorophyll concentrations (micro grams l-1) for each of the three experiments.

Data were collected at SIPEX Ice Stations 1-8 and SIPEX CTD stations 2-5

Lineage

Progress Code: completed

Data time period: 2012-09-14 to 2012-11-16

This dataset is part of a larger collection

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147,-42 147,-66 113,-66 113,-42 147,-42

130,-54

text: westlimit=113.0; southlimit=-66.0; eastlimit=147.0; northlimit=-42.0

Subjects
ACE/CRC | AMD | AMD/AU | CEOS | CONTINENT > ANTARCTICA | Chlorophyll a | EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PLANTS > MICROALGAE | EARTH SCIENCE > CRYOSPHERE > SEA ICE | EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE | EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CHLOROPHYLL | EARTH SCIENCE > OCEANS > SEA ICE | GEOGRAPHIC REGION > POLAR | OCEAN > SOUTHERN OCEAN | Ocean acidification | R/V AA > R/V Aurora Australis | SHIPS | oceans |

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Other Information
Download point for the data (GET DATA)

url : http://data.aad.gov.au/eds/3810/download

Public information for ASAC project 4008 (PROJECT HOME PAGE)

url : https://projects.aad.gov.au/search_projects_results.cfm?project_no=4008

Citation reference for this metadata record and dataset (VIEW RELATED INFORMATION)

url : http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=SIPEX_II_Chlorophyll_a

Identifiers
ACN 633 798 857