Metadata details

AAS_4344_Calibrated_Fluorescence_Profiles_K-Axis

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Citation
Westwood, K.J. and Pearce, I. (2021) Calibrated Fluorescence Profiles from the K-Axis Voyage of the Aurora Australis, 2016, Ver. 1, Australian Antarctic Data Centre - doi:10.26179/5e5348e75871a, (Unreleased data)
Title
Calibrated Fluorescence Profiles from the K-Axis Voyage of the Aurora Australis, 2016
Data Centre
Australian Antarctic Data Centre, Australia
DOI
doi:10.26179/5e5348e75871a
Created Date
2020-02-24
Revision Date
2020-02-24
Parent record
AAS_4344_K-Axis_Chlorophyll

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    Description

    Processed CTD instrument data - Corrected fluorescence profiles at the Southern Kerguelen Plateau, Indian Sector of the Southern Ocean. The fluorometer was calibrated through the regression of burst measurements against in situ chlorophyll a measured at the same depths and sites using high performance liquid chromatography (Wright et al. 2010). Zero chlorophyll a reference points were included in the regression and were obtained through averaging fluorometry data over 200-300 m bins. The resulting linear equation used to convert flourometry data was: chlorophyll = 0.262*fluorescence + 0.101. Column measurements (µg L-1) and integrated data (0-150 m, mg m-2) for each CTD station are provided.

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    Quality

    Many stations were omitted from the calibration regression due to high variability between fluorometer and chlorophyll a measurements at that site. We do not know why this occurred - possibly a mismatch in depth measurements (e.g. caused by waves).
    The stations INCLUDED in the regression were: 7,8,9,11,15,17,28,31,32,33,37,39,40,41,42,44

    Access

    These data are not yet publicly available for download.

    Temporal Coverages

    Spatial Coverages

    Latitude

    Northernmost:
    -55
    Southernmost:
    -67.5

    Longitude

    Westernmost:
    60
    Easternmost:
    95

    Science Keywords

    Additional Keywords

    • CTD FLUOROMETER - WET LABS ECO-AFL/FL

    Locations

    • GEOGRAPHIC REGION > POLAR
    • OCEAN > SOUTHERN OCEAN > SOUTHERN KERGUELEN PLATEAU
    • OCEAN > SOUTHERN OCEAN > BANZARE BANK

    Platforms

    • R/V Aurora Australis

    Instruments

    • Conductivity Temperature Depth
    • FLUOROMETERS

    Researchers

    • westwood, karen (INVESTIGATOR,TECHNICAL CONTACT,DIF AUTHOR)
    • pearce, imojen (TECHNICAL CONTACT)

    Use Constraints

    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=AAS_4344_Calibrated_Fluorescence_Profiles_K-Axis when using these data.

    Creative Commons License