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

Created 12/03/2025

Updated 12/03/2025

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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

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Title Chlorophyll a data collected during the SIPEX II voyage of the Aurora Australis, 2012
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/514a9a60-565e-42f6-b835-500be40f79ac
Contact Point
CSIRO Oceans & Atmosphere
metadata@aad.gov.au
Reference Period 14/09/2012 - 16/11/2012
Geospatial Coverage {"type": "Polygon", "coordinates": [[[113.0, -66.0], [147.0, -66.0], [147.0, -42.0], [113.0, -42.0], [113.0, -66.0]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Chlorophyll a data collected during the SIPEX II voyage of the Aurora Australis, 2012". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/chlorophyll-a-data-collected-during-the-sipex-ii-voyage-of-the-aurora-australis-2012

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