Douville, Eric (2012): Boron isotopes, trace elements and pH calculation for Norwegian deep sea coral specimen Madrepora o. (1968-2007), 2012 [dataset]. Laboratoire de science du climat et de l`environnement, Gif sur Yvette, PANGAEA, https://doi.org/10.1594/PANGAEA.777712
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Published: 2012-03-15 • DOI registered: 2012-04-12
Abstract:
d11B and trace results obtained for a deep sea coral specimen Madrepora oculata collected from the Norwegian Sea (67°N, 9°E, 340 m) during the RV Polarstern ARK/II/Ia cruise (2007). Such coral specimen grew during the last four decades (1968-2007) and geochemical results highligh a seawater pH decrease with an order of magnitude in good agreement with an ocean acidification rate today known. This pH record is strongly impacted by inter-decadal change of ocean dynamic (NAO) and productivity. pHT calculation parameters (Hönisch et al., 2007): a=5; a=0.9804, d11B=39.5 PER MIL, Li/Mg temperature, salinity=35.1, pKB from Dickson (1990).
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Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Species | Species | Douville, Eric | |||
| 2 | Sample ID | Sample ID | Douville, Eric | |||
| 3 | Coral polyp | Polyp | # | Douville, Eric | ||
| 4 | Date | Date | Douville, Eric | |||
| 5 | δ11B | δ11B | ‰ SRM | Douville, Eric | ||
| 6 | Boron/Calcium ratio | B/Ca | µmol/mol | Douville, Eric | ||
| 7 | Lithium/Calcium ratio | Li/Ca | µmol/mol | Douville, Eric | ||
| 8 | Magnesium/Calcium ratio | Mg/Ca | mmol/mol | Douville, Eric | ||
| 9 | Uranium/Calcium ratio | U/Ca | µmol/mol | Douville, Eric | ||
| 10 | Lithium/Magnesium ratio | Li/Mg | mmol/mol | Douville, Eric | ||
| 11 | Temperature, water | Temp | °C | Douville, Eric | Reconstructed through Li/Mg ratio | |
| 12 | Temperature, standard deviation | T std dev | ± | Douville, Eric | ||
| 13 | pH, total scale | pHT | Douville, Eric | Reconstructed through Li/Mg ratio | Total scale |
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(UNKNOWN)
Size:
520 data points