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Time-space variability of the out-pushing from Bowling Green Bay, north Queensland, in CZCS-chlorophyll imagery

Name: Time-space variability of the out-pushing from Bowling Green Bay, north Queensland, in CZCS-chlorophyll imagery
Published: 2025

Australian Institute of Marine Science

Australian Institute of Marine Science (AIMS)

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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=https://apps.aims.gov.au/metadata/view/022efb39-e572-44e5-ba5a-ddbb4eae98df&rft.title=Time-space variability of the out-pushing from Bowling Green Bay, north Queensland, in CZCS-chlorophyll imagery&rft.identifier=https://apps.aims.gov.au/metadata/view/022efb39-e572-44e5-ba5a-ddbb4eae98df&rft.publisher=Australian Institute of Marine Science (AIMS)&rft.description=A Landsat image for March 1981, indicated a strong front that occurred between nearshore and offshore waters, extending offshore from Cape Bowling Green, north Queensland. This front coincided with high concentrations of billfish and baitfish populations known to exist in the area. Six CZCS images from the NASA Nimbus-7 satellite, taken between the 12th May 1980 and the 20th June 1982, were selected for analysis of pigment concentrations (chlorophyll a and phaeopigments). Raw data were processed and analysed using the microBRIAN system. Wind speed and direction as well as tidal information for the time that the images were taken was also collected. The purpose of this research was to determine spatial and temporal variations in water color and sea surface chlorophyll distribution using CZCS imagery and to compare them with water circulation models and known abundances of billfish and baitfish populations. The initial objectives were:1. to evaluate how persistent the out-pushing (or frontal phenomenon) is from the Bowling Green Bay mangroves area;2. to determine under what environmental conditions does this out-pushing form;3. to calculate the sea-surface pigment chlorophyll concentrations in these water masses to identify areas of high chlorophyll concentration. CZCS satellite imagery was provided by the Great Barrier Reef Marine Park Authority (GBRMPA). Wind speed and direction were accessed from the Cape Cleveland weather station. The locations of concentrations of billfish and baitfish were provided by Dr Dave McB Williams.Maintenance and Update Frequency: notPlannedStatement: Statement: Methods used for image analysis, as well as chlorophyll algorithms and CZCS calibration corrections are provided in the report Huau MC (1987) Time-space variability of the out-pushing pattern from Bowling Green Bay in CZCS-chlorophyll imagery. Final Report. Australian Institute of Marine Science. 28 p.&rft.creator=Australian Institute of Marine Science (AIMS) &rft.date=2025&rft.coverage=westlimit=146.98199; southlimit=-19.530543; eastlimit=147.549622; northlimit=-19.094827&rft.coverage=westlimit=146.98199; southlimit=-19.530543; eastlimit=147.549622; northlimit=-19.094827&rft_rights=Creative Commons Attribution-NonCommercial 3.0 Australia License http://creativecommons.org/licenses/by-nc/3.0/au/&rft_rights=Use Limitation: All AIMS data, products and services are provided as is and AIMS does not warrant their fitness for a particular purpose or non-infringement. While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.&rft_rights=Attribution: Format for citation of metadata sourced from Australian Institute of Marine Science (AIMS) in a list of reference is as follows: Australian Institute of Marine Science (AIMS). (2009). Time-space variability of the out-pushing from Bowling Green Bay, north Queensland, in CZCS-chlorophyll imagery. https://apps.aims.gov.au/metadata/view/022efb39-e572-44e5-ba5a-ddbb4eae98df, accessed[date-of-access].&rft_rights=Resource Usage:Map products not to be used for navigationUse of the AIMS data is for not-for-profit applications only. All other users shall seek permission for use by contacting AIMS. Acknowledgements as prescribed must be clearly set out in the user's formal communications or publications.&rft_subject=oceans&rft.type=dataset&rft.language=English Access the data

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Creative Commons Attribution-NonCommercial 3.0 Australia License
http://creativecommons.org/licenses/by-nc/3.0/au/

Use Limitation: All AIMS data, products and services are provided "as is" and AIMS does not warrant their fitness for a particular purpose or non-infringement. While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.

Attribution: Format for citation of metadata sourced from Australian Institute of Marine Science (AIMS) in a list of reference is as follows: "Australian Institute of Marine Science (AIMS). (2009). Time-space variability of the out-pushing from Bowling Green Bay, north Queensland, in CZCS-chlorophyll imagery. https://apps.aims.gov.au/metadata/view/022efb39-e572-44e5-ba5a-ddbb4eae98df, accessed[date-of-access]".

Resource Usage:Map products not to be used for navigationUse of the AIMS data is for not-for-profit applications only. All other users shall seek permission for use by contacting AIMS. Acknowledgements as prescribed must be clearly set out in the user's formal communications or publications.

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A Landsat image for March 1981, indicated a strong front that occurred between nearshore and offshore waters, extending offshore from Cape Bowling Green, north Queensland. This front coincided with high concentrations of billfish and baitfish populations known to exist in the area. Six CZCS images from the NASA Nimbus-7 satellite, taken between the 12th May 1980 and the 20th June 1982, were selected for analysis of pigment concentrations (chlorophyll a and phaeopigments). Raw data were processed and analysed using the microBRIAN system. Wind speed and direction as well as tidal information for the time that the images were taken was also collected.
The purpose of this research was to determine spatial and temporal variations in water color and sea surface chlorophyll distribution using CZCS imagery and to compare them with water circulation models and known abundances of billfish and baitfish populations. The initial objectives were:1. to evaluate how persistent the out-pushing (or frontal phenomenon) is from the Bowling Green Bay mangroves area;2. to determine under what environmental conditions does this out-pushing form;3. to calculate the sea-surface pigment chlorophyll concentrations in these water masses to identify areas of high chlorophyll concentration.
CZCS satellite imagery was provided by the Great Barrier Reef Marine Park Authority (GBRMPA). Wind speed and direction were accessed from the Cape Cleveland weather station. The locations of concentrations of billfish and baitfish were provided by Dr Dave McB Williams.

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Maintenance and Update Frequency: notPlanned

Statement: Statement: Methods used for image analysis, as well as chlorophyll algorithms and CZCS calibration corrections are provided in the report "Huau MC (1987) Time-space variability of the out-pushing pattern from Bowling Green Bay in CZCS-chlorophyll imagery. Final Report. Australian Institute of Marine Science. 28 p."

Notes

Credit
Huau, Marie Christine, Ms (Principal Investigator)

Credit
Bainbridge, Scott, Mr (Custodian)

Modified: 19 09 2025

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text: westlimit=146.98199; southlimit=-19.530543; eastlimit=147.549622; northlimit=-19.094827

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Time-space variability of the out-pushing pattern from Bowling Green Bay in CZCS-chlorophyll imagery. Final Report: Huau MC (1987) Time-space variability of the out-pushing pattern from Bowling Green Bay in CZCS-chlorophyll imagery. Final Report. Australian Institute of Marine Science. 28 p.

local : articleId=8336

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global : 022efb39-e572-44e5-ba5a-ddbb4eae98df