0000000001313474

AUTHOR

Michaël Grelaud

showing 5 related works from this author

Planktic foraminiferal changes in the western Mediterranean Anthropocene

2021

The increase in anthropogenic induced warming over the last two centuries is impacting marine environment. Planktic foraminifera are a globally distributed calcifying marine zooplankton responding sensitively to changes in sea surface temperatures and interacting with the food web structure. Here, we study two high resolution multicore records from two western Mediterranean Sea regions (Alboran and Balearic basins), areas highly affected by both natural climate change and anthropogenic warming. Cores cover the time interval from the Medieval Climate Anomaly to present. Reconstructed sea surface temperatures are in good agreement with other results, tracing temperature changes through the Co…

010504 meteorology & atmospheric sciencesLast 1500 yearsPopulationClimate change02 engineering and technologyOceanography01 natural sciencesWestern Mediterranean SeaForaminiferaMediterranean seaAtlantic multidecadal oscillation0202 electrical engineering electronic engineering information engineeringeducationAnthropogenic warming0105 earth and related environmental sciencesGlobal and Planetary Changeeducation.field_of_studybiology020206 networking & telecommunicationsLast 1500 yearGlobigerina bulloidesPlanktic foraminiferabiology.organism_classificationOceanographyNorth Atlantic oscillationUpwellingNatural variabilityMarine surface productionGeology
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Integrated annual calcium carbonate production of planktic calcifiers in the North Pacific from the R/V Kilo Moana cruise KM1712

2022

This dataset compiles the estimates of annual CaCO3 production, including the upper and lower limits of the estimates, for the 4 planktic calcifying groups considered in the study, the pteropods (mg/m²/yr), the heteropods (mg/m²/yr), the foraminifers (mg/m²/yr) and the coccolithophores (mg/m²/yr). The estimates derived from the living standing stocks of these 4 groups of organisms collected in the North Pacific between Hawaii and the Gulf of Alaska during the R/V Kilo Moana cruise KM1712 in August 2017. R code was used to calculate the integrated annual CaCO3 production for the different organisms, including the upper and lower limits (Gray, 2022).

Carbonate productionLongitude of eventwaterRV Kilo MoanaPteropoda calcium carbonate production per areaForaminiferaPteropoda Pterotracheoidea aragonite production per areaPterotracheoideaForaminifera calcium carbonate production per areaLatitude of eventPlankton netKM1712Date/Time of eventCalculatedCoccolithophoresCoccosphaerales calcium carbonate production per areacalcium carbonate production per areapteropodsNorth PacificPterotracheoidea calcium carbonate production per areaPteropodaDEPTH waterPlanktonic calcite + aragonite production per areaEvent labelDate Time of eventPteropoda + Pterotracheoidea aragonite production per areaPlanktonic calcite aragonite production per areaCoccosphaeralesDEPTHForaminifera Coccosphaerales calcite production per areaStanding stocksEarth System ResearchHeteropodsStation labelForaminifera + Coccosphaerales calcite production per area
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Calcifying zooplankton standing stocks and in the North Pacific from the R/V Kilo Moana cruise KM1712

2022

This dataset compiles the standing stocks (ind/m³), the integrated standing stocks (ind/m²) and the integrated CaCO3 standing stocks (mg/m²) for three groups of zooplanktonic calcifying organisms: pteropods, heteropods and foraminifers. The organisms were collected by oblique towing (Ø 0.5 m, 90 μm mesh size, SeaGear mechanical flowmeter) in the North Pacific between Hawaii and the Gulf of Alaska during the R/V Kilo Moana cruise KM1712 in August 2017. The sampling strategy was designed to capture an integrated sample of all foraminifers, pteropods and heteropods from juveniles to adults living throughout the upper water column. Pteropods and heteropods were quantified and shell diameter mea…

Pteropoda standard deviationDate Time of event 2RV Kilo MoanaForaminiferaLight microscopeLatitude of eventDate/Time of event 2Foraminifera calcium carbonate per areaPlankton netKM1712CalculatedpteropodsNorth PacificForaminifera standard deviationLeicaWater volumeStanding stocksEarth System Researchstandard deviationMechanical flowmeter SeaGearMechanical flowmeterSeaGearStation labelPteropoda calcium carbonate per areaZ16 AP0Carbonate productionLongitude of eventPterotracheoidea calcium carbonate per areawaterPterotracheoideaDate Time localfilteredDate/Time of eventCoccolithophoresPteropodaPteropoda calcium carbonate per area standard deviationPterotracheoidea standard deviationDEPTH waterLongitude of event 2Date/Time localEvent labelDate Time of eventWater volume filteredPterotracheoidea calcium carbonate per area standard deviationcalcium carbonate per areaLatitude of event 2Foraminifera calcium carbonate per area standard deviationDEPTHLight microscope Leica Z16 AP0Heteropods
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Calcifying phytoplankton standing stocks in the North Pacific from the R/V Kilo Moana cruise KM1712

2022

This dataset compiles the CaCO3 standing stocks of living coccolithophores (mg/m³), of detached coccoliths (mg/m³) and the integrated CaCO3 standing stocks of coccolithophores (mg/m²). The samples were collected in the North Pacific between Hawaii and the Gulf of Alaska during the R/V Kilo Moana cruise KM1712 in August 2017, with rosette Niskin bottles equiped with CTD (Sea-Bird SBE 9) at different depths throughout the photic zone including the deep chlorophyll maximum. To estimate the CaCO3 contribution by coccolithophore assemblages in each sample, we carried out the transformation of coccospheres in number of coccoliths, following the estimates by Yang and Wei (2003), and then we adopte…

Carbonate productionLongitude of eventCoccosphaerales calcium carbonate per area standard deviationwaterRV Kilo MoanaCTD/RosetteLatitude of eventBottle numberKM1712Coccosphaerales calcium carbonate per areaDate/Time of eventCalculatedCoccolithophorespteropodsNorth Pacificcalcium carbonate per volumeDEPTH waterEvent labelDate Time of eventforaminiferaCTD Rosettecalcium carbonate per areaCoccosphaeralesDEPTHStanding stocksEarth System ResearchHeteropodsCoccosphaerales calcium carbonate per volumestandard deviationStation label
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Planktic calcifiers standing stocks and carbonate production in the North Pacific from the R/V Kilo Moana cruise KM1712

2022

The data collection consists of 3 datasets: - Zooplankton standing stocks: this dataset compiles the standing stocks (ind/m³), the integrated standing stocks (ind/m²) and the integrated CaCO3 standing stocks (mg/m²) for three groups of zooplanktonic calcifying organisms, pteropods, heteropods and foraminifers. The organisms were collected by oblique towing (Ø 0.5 m, 90 μm mesh size, SeaGear mechanical flowmeter) in the North Pacific between Hawaii and the Gulf of Alaska during the R/V Kilo Moana cruise KM1712 in August 2017. The sampling strategy was designed to capture an integrated sample of all foraminifers, pteropods and heteropods from juveniles to adults living throughout the upper wa…

Carbonate productionStanding stocksforaminiferaCoccolithophoresHeteropodspteropodsNorth Pacific
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