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Clarke, Harry; D'Olivo, Juan Pablo; Conde, Mario; Evans, Richard; McCulloch, Malcolm T (2019): Trace element Porites coral records of recent marine heat wave events from the northwest shelf of Australia [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.904577, Supplement to: Clarke, Harry; D'Olivo, Juan Pablo; Conde, Mario; Evans, R D; McCulloch, Malcolm T (2019): Coral Records of Variable Stress Impacts and Possible Acclimatization to Recent Marine Heat Wave Events on the Northwest Shelf of Australia. Paleoceanography and Paleoclimatology, 34(11), 1672-1688, https://doi.org/10.1029/2018PA003509

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Published: 2019-08-06 • DOI registered: 2020-03-13

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Abstract:
The ability of massive corals to record the impacts of marine heat wave events provides a unique perspective into the variable responses of corals to anthropogenic climate change. In this study, coral cores (Porites sp.) were collected from 7 different reef environments across the NW shelf of Australia to examine the seasonal pattern of trace element (TE) Sr/Ca and Li/Mg ratios, and extension rate signatures associated with past marine heat waves in the region. Trace element anomalies and declines in linear extension rate were observed in the records during the late 1990s (1 of 5 records) and more recently during the summers of 2011 (3 of 7 records) and 2013 (5 of 7 records), indicating the impacts of marine heat waves have become increasingly widespread in the region. However, for the summers of 2011 and 2013, no significant relationships were observed between the magnitude of these TE ratio anomalies in the core records, and maximum thermal stresses predicted at the reef sites from high-resolution satellite records. We show that the strongest individual reductions in linear extension rates and associated ratio anomalies occurred during the 2011 heat wave, rather than during the subsequent and more intense (~ 1 °C warmer) 2013 event. Together these observations suggest that at the local reef-scale Porites colonies and their symbionts exhibit differential responses to heat wave events, with the prior exposure to less intense events probably playing an important role in acclimatisation.
Keyword(s):
Acclimation; Acclimatisation; Acclimatization; Climate change; Coral; Coral Bleaching; Geochemistry; Li/Mg; Linear Extension; ocean warming; Porites spp.; Sr/Ca; thermal stress; trace elements
Coverage:
Median Latitude: -21.569687 * Median Longitude: 114.770187 * South-bound Latitude: -21.910000 * West-bound Longitude: 113.970000 * North-bound Latitude: -20.505000 * East-bound Longitude: 115.483000
Date/Time Start: 2010-11-01T00:00:00 * Date/Time End: 2017-01-01T00:00:00
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
16 datasets

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Datasets listed in this publication series

  1. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): Trace element ratios of mid-shore Porites coral from Airlie Island (1996-2015). https://doi.org/10.1594/PANGAEA.904488
  2. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): In situ sea surface temperature from Airlie Island (2010-2017). https://doi.org/10.1594/PANGAEA.904617
  3. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): Trace element ratios of nearshore Porites coral from Bundegi Reef (1998-2008). https://doi.org/10.1594/PANGAEA.904561
  4. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): Trace element ratios of nearshore Porites coral from Bundegi Reef (2005-2013). https://doi.org/10.1594/PANGAEA.904562
  5. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): In situ sea surface temperature from Bundegi Reef (2010-2017). https://doi.org/10.1594/PANGAEA.904618
  6. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): Trace element ratios of nearshore Porites coral from Herald Island (1996-2015). https://doi.org/10.1594/PANGAEA.904564
  7. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): In situ sea surface temperature from Herald Island (2010-2017). https://doi.org/10.1594/PANGAEA.904619
  8. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): Trace element ratios of offshore Porites coral from Montebello Islands (2003-2014). https://doi.org/10.1594/PANGAEA.904567
  9. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): Trace element ratios of offshore Porites coral from Tantabiddi Reef (1996-2008). https://doi.org/10.1594/PANGAEA.904569
  10. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): Trace element ratios of offshore Porites coral from Tantabiddi Reef (2004-2013). https://doi.org/10.1594/PANGAEA.904570
  11. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): In situ sea surface temperature from Tantabiddi Reef (2010-2017). https://doi.org/10.1594/PANGAEA.904620
  12. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): Trace element ratios of nearshore Porites coral from Ward Island (1993-2015). https://doi.org/10.1594/PANGAEA.904572
  13. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): Trace element ratios of nearshore Porites coral from Ward Island (1995-2001). https://doi.org/10.1594/PANGAEA.904573
  14. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): In situ sea surface temperature from Ward Island (2010-2017). https://doi.org/10.1594/PANGAEA.904621
  15. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): Trace element ratios of mid-shore Porites coral from West Reef (2007-2015). https://doi.org/10.1594/PANGAEA.904574
  16. Clarke, H; D'Olivo, JP; Conde, M et al. (2019): In situ sea surface temperature from West Reef (2010-2017). https://doi.org/10.1594/PANGAEA.904622