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dc.contributor.authorSherrell, Robert M.-
dc.contributor.authorPelejero, Carles-
dc.contributor.authorFuertes Vila, Sara-
dc.contributor.authorLópez-Sanz, Àngel-
dc.contributor.authorCalvo, Eva María-
dc.contributor.authorKozdon, Reinhard-
dc.contributor.authorGagnon, Alexander-
dc.date.accessioned2018-10-31T12:50:25Z-
dc.date.available2018-10-31T12:50:25Z-
dc.date.issued2016-09-11-
dc.identifier.citation6th International Symposium on Deep-Sea Corals (2016)-
dc.identifier.urihttp://hdl.handle.net/10261/171781-
dc.description6th International Symposium on Deep-Sea Corals (ISDSC), 11-16 September 2016, Boston-
dc.description.abstractCold-water corals (CWCs) display an almost cosmopolitan distribution over a wide range of depths. Similar to their tropical counterparts, they provide continuous, high-resolution (annual to seasonal) records of up to a century or more. Several CWC elemental and isotopic ratios have been suggested as useful proxies, but robust calibrations under controlled conditions in aquaria are needed. Whereas a few experimental proxy calibrations have been performed for tropical corals, they are still pending for CWCs. This reflects the technical challenges involved in maintaining these slow-growing creatures alive in aquaria during the long-term experiments required to achieve sufficient skeletal growth for geochemical analyses. In this presentation we will show details of the set up and initial results of a long-term experiment being run at the ICM aquaria facilities in Barcelona, where live specimens (>150) of the CWC Desmophyllum dianthus, are kept under controlled and manipulated chemistry (pH, phosphate, barium) and feeding conditions. With this set-up, we aim to experimentally calibrate specific elemental ratios including P/Ca, Ba/Ca, B/Ca and U/Ca as proxies of nutrient dynamics, pH, and carbonate ion concentration. We present preliminary results using Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICPMS), which allows quantitative analyses on spot sizes of tens of microns. We will also attempt measurements using NanoSIMS, to resolve nano-scale details in relative composition. Preliminary data obtained from these techniques will be presented, together with monitoring parameters regarding coral growth and physiology including skeletal growth, coral calcification and respiration-
dc.rightsclosedAccess-
dc.titleExperimental paleo-proxy calibration in cold water corals-
dc.typepóster de congreso-
dc.relation.publisherversionhttps://deepseacoral.org/program/-
dc.date.updated2018-10-31T12:50:25Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.relation.csic-
Appears in Collections:(ICM) Comunicaciones congresos
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