Data

WAMSI 2 - Kimberley Node: Project 2.2.9 Historical reconstructions of water quality in the Kimberley using sediment records

Australian Ocean Data Network

CSIRO O&A, Information & Data Centre (Point of contact) Keesing, John (Point of contact) Myers, Jo (Processor of)

Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]

ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://marlin.csiro.au/geonetwork/srv/eng/catalog.search#/metadata/03675b95-2f38-761e-e053-08114f8cbf86&rft.title=WAMSI 2 - Kimberley Node: Project 2.2.9 Historical reconstructions of water quality in the Kimberley using sediment records&rft.identifier=Anzlic Identifier: ANZCW0306014439&rft.publisher=Australian Ocean Data Network&rft.description=The remote Kimberley coast of north-western Australia is one of the few marine environments domains on earth largely unaffected by human use. However, the region is undergoing increasing economic importance as a destination for tourism and significant coastal developments associated with oil and gas exploration. The objective of the project was to reconstruct a timeline of inferred water quality changes from the sediment record for a selected set of sites in the Kimberley, Western Australia. The project made use of palaeoecological approaches to reconstruct a chronology of change over the last approximately 100 years using a series of biogeochemical proxies for phytoplankton composition and biomass, temperature and terrestrial influences. Where possible these were matched to historical land/water use, meteorological or hydrological observational records. The project examined sediment cores from three coastal locations, Koolama Bay (King George River), Cygnet Bay and Roebuck Bay. Each sampling location provided a contrast with which to evaluate changes over either a spatial or temporal gradient of human or natural influence. Sediment cores (up to 1.5 m) were obtained from each of these locations in the expectation that they would provide a time series for about the last 100 years. A set of parameters was measured along the core length (every 1-2 cm) for some or all cores depending on the particular focus for the location: 210Pb and 137Cs; 15N isotope; 13C isotope; Carbon/Nitrogen ratio; Sedimentation rate and grain size; Total Organic Carbon (TOC) and Total Nitrogen (TN); Biosilicate; Biomarkers; TEX86; long chain n-alkanes (C27+C29+C31); Elemental carbon (or black carbon). Rainfall data was obtained from the Australian Bureau of Meteorology website (www.bom.gov.au). Stream flow data was obtained from the Western Australian Department of Water website (www.water.wa.gov.au). Historical bushfire data was obtained from the Western Australian Department of Parks and Wildlife. The metadata record only relates to data generated as part of the sediment analysis.Progress Code: completedMaintenance and Update Frequency: asNeededStatement: Sediment cores taken at each site (Koolama Bay [King George River], Cygnet Bay and Roebuck Bay) were obtained using a polycarbonate sleeve 6 cm in diameter within a 1.5m long steel casing. At each site, three or four replicate sediment cores with a length of approximately 1.0 – 1.4 meters each were collected. The cores were then frozen on board the ship in a vertical position and were later thawed as they stood vertically and were then sectioned into sub-samples at 1 cm intervals, weighed and freeze dried before being reweighed and then stored in a freezer at -20oC before being analysed. Parameters measured: • 210Pb and 137Cs isotopes – age of core, integrity of age structure in sediment; • 15N isotope – a proxy for nitrogen source – anthropogenic or natural; • 13C isotope – proxy for carbon source – land or marine derived carbon; • Carbon/Nitrogen ratio – can also be used to infer whether primary carbon source is marine or terrestrial; • Sedimentation rate and grain size shows the variation of sedimentary environment (e.g. river input, sediment texture, other factors governing deposition and preservation); • Total Organic Carbon (TOC) and Total Nitrogen (TN) indicate levels of productivity and deposition of organic matter; • Biosilicate indicates siliceous phytoplankton deposits (e.g. diatoms, silicoflagellates), enhanced productivity; • Biomarkers – sterols can be used as proxies for dinoflagellates (dinosterol), diatoms (brassicasterol) haptophytes (alkenones); TEX86 index for sea temperature; and long chain n-alkanes (C27+C29+C31) for terrestrial influence. • Elemental carbon (or black carbon) – indicators of biomass burning (e.g. from bushfires) or hydrocarbon burning (fossil fuels). For Full details, see KMRP Project 2.2.7 Final Report. Rainfall data was obtained from the Australian Bureau of Meteorology website (www.bom.gov.au). Stream flow data was obtained from the Western Australian Department of Water website (www.water.wa.gov.au). Historical bushfire data was obtained from the Western Australian Department of Parks and Wildlife.&rft.creator=Anonymous&rft.date=2014&rft.coverage=westlimit=123; southlimit=-16.7; eastlimit=127.5; northlimit=-13.7&rft.coverage=westlimit=123; southlimit=-16.7; eastlimit=127.5; northlimit=-13.7&rft_rights=Data is made available under a Creative Commons Attribution 4.0 International Licence (http://creativecommons.org/licenses/by/4.0/). Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: The dataset [Insert-dataset-name-here] downloaded on [Insert-DD-Mmm-YYYY-here] was provided by CSIRO. http://creativecommons.org/licenses/by/4.0/).&rft_subject=environment&rft_subject=Earth Science | Land Surface | Erosion/Sedimentation | Sediment Composition&rft_subject=Earth Science | Oceans | Marine Sediments&rft_subject=Earth Science | Climate Indicators&rft_subject=Earth Science | Oceans&rft_subject=Earth Science | Oceans | Water Quality&rft_subject=Corers&rft_subject=Coastal Waters (Australia) | West Australia Coast North, WA&rft_subject=Global / Oceans | Indian Ocean&rft_subject=Western Australian Marine Science Institute&rft.type=dataset&rft.language=English Access the data

Access data via landing page
https://marlin.csiro.a...

Cite Saved to MyRDA Save to MyRDA

Licence & Rights:

Open Licence view details

Data is made available under a Creative Commons Attribution 4.0 International Licence (http://creativecommons.org/licenses/by/4.0/). Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: The dataset [Insert-dataset-name-here] downloaded on [Insert-DD-Mmm-YYYY-here] was provided by CSIRO.
http://creativecommons.org/licenses/by/4.0/).

Brief description

The remote Kimberley coast of north-western Australia is one of the few marine environments domains on earth largely unaffected by human use. However, the region is undergoing increasing economic importance as a destination for tourism and significant coastal developments associated with oil and gas exploration. The objective of the project was to reconstruct a timeline of inferred water quality changes from the sediment record for a selected set of sites in the Kimberley, Western Australia. The project made use of palaeoecological approaches to reconstruct a chronology of change over the last approximately 100 years using a series of biogeochemical proxies for phytoplankton composition and biomass, temperature and terrestrial influences. Where possible these were matched to historical land/water use, meteorological or hydrological observational records. The project examined sediment cores from three coastal locations, Koolama Bay (King George River), Cygnet Bay and Roebuck Bay. Each sampling location provided a contrast with which to evaluate changes over either a spatial or temporal gradient of human or natural influence. Sediment cores (up to 1.5 m) were obtained from each of these locations in the expectation that they would provide a time series for about the last 100 years. A set of parameters was measured along the core length (every 1-2 cm) for some or all cores depending on the particular focus for the location: 210Pb and 137Cs; 15N isotope; 13C isotope; Carbon/Nitrogen ratio; Sedimentation rate and grain size; Total Organic Carbon (TOC) and Total Nitrogen (TN); Biosilicate; Biomarkers; TEX86; long chain n-alkanes (C27+C29+C31); Elemental carbon (or black carbon). Rainfall data was obtained from the Australian Bureau of Meteorology website (www.bom.gov.au). Stream flow data was obtained from the Western Australian Department of Water website (www.water.wa.gov.au). Historical bushfire data was obtained from the Western Australian Department of Parks and Wildlife. The metadata record only relates to data generated as part of the sediment analysis.

Lineage

Progress Code: completed

Maintenance and Update Frequency: asNeeded

Statement: Sediment cores taken at each site (Koolama Bay [King George River], Cygnet Bay and Roebuck Bay) were obtained using a polycarbonate sleeve 6 cm in diameter within a 1.5m long steel casing. At each site, three or four replicate sediment cores with a length of approximately 1.0 – 1.4 meters each were collected. The cores were then frozen on board the ship in a vertical position and were later thawed as they stood vertically and were then sectioned into sub-samples at 1 cm intervals, weighed and freeze dried before being reweighed and then stored in a freezer at -20oC before being analysed. Parameters measured: • 210Pb and 137Cs isotopes – age of core, integrity of age structure in sediment; • 15N isotope – a proxy for nitrogen source – anthropogenic or natural; • 13C isotope – proxy for carbon source – land or marine derived carbon; • Carbon/Nitrogen ratio – can also be used to infer whether primary carbon source is marine or terrestrial; • Sedimentation rate and grain size shows the variation of sedimentary environment (e.g. river input, sediment texture, other factors governing deposition and preservation); • Total Organic Carbon (TOC) and Total Nitrogen (TN) indicate levels of productivity and deposition of organic matter; • Biosilicate indicates siliceous phytoplankton deposits (e.g. diatoms, silicoflagellates), enhanced productivity; • Biomarkers – sterols can be used as proxies for dinoflagellates (dinosterol), diatoms (brassicasterol) haptophytes (alkenones); TEX86 index for sea temperature; and long chain n-alkanes (C27+C29+C31) for terrestrial influence. • Elemental carbon (or black carbon) – indicators of biomass burning (e.g. from bushfires) or hydrocarbon burning (fossil fuels). For Full details, see KMRP Project 2.2.7 Final Report. Rainfall data was obtained from the Australian Bureau of Meteorology website (www.bom.gov.au). Stream flow data was obtained from the Western Australian Department of Water website (www.water.wa.gov.au). Historical bushfire data was obtained from the Western Australian Department of Parks and Wildlife.

Notes

Credit
John Keesing (CSIRO)

Credit
Dongyan Liu (East China Normal University, Shanghai, China)

Credit
Zineng Yuan (Yantai Institute of Coastal Zone Research, Chinese Academy of Science, China)

Credit
Yajun Peng (Yantai Institute of Coastal Zone Research, Chinese Academy of Science, China)

Credit
Yujue Wang (Yantai Institute of Coastal Zone Research, Chinese Academy of Science, China)

Credit
Pierre Richard (CNRS-Universite de La Rochelle, France)

Credit
Pere Masque (Centre for Marine Ecosystems Research, Edith Cowan University, Australia)

Credit
Yingjun Chen (Tongji University, Shanghai, China)

Credit
Yin Fang (Tongji University, Shanghai, China)

Credit
Western Australian Marine Science Institution (WAMSI)

Data time period: 2013-07-01 to 2017-03-01

This dataset is part of a larger collection

Click to explore relationships graph

text: westlimit=123; southlimit=-16.7; eastlimit=127.5; northlimit=-13.7

Subjects

User Contributed Tags

Other Information

WAMSI KMRP Project Page for 2.2.9 where further information and communication outputs can be found. (WAMSI KMRP Project 2.2.9)

uri : https://www.wamsi.org.au/research-site/sediment-record External Link

Location of the data for the WAMSI 2 KMRP 2.2.9 Project Historical Water Quality using sediment records (CSIRO DAP Record WAMSI 2 KMRP 2.2.9 Sediment)

doi : https://doi.org/10.4225/08/5a52c88e56d2c DOI Link

Identifiers

Local : Anzlic Identifier: ANZCW0306014439
Local : Marlin Record Number: 14439
global : 03675b95-2f38-761e-e053-08114f8cbf86

Similar data you may be interested in: