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  • 2020-2024  (9)
  • 2020  (9)
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  • 2020-2024  (9)
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  • 1
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    Ideas and perspectives: A strategic assessment of methane and nitrous oxide measurements in the marine environment (2020)
    Copernicus Publications (EGU)
    Details
    Publication Date: 2023-02-08
    Description: In the current era of rapid climate change, accurate characterization of climate-relevant gas dynamics-namely production, consumption, and net emissions-is required for all biomes, especially those ecosystems most susceptible to the impact of change. Marine environments include regions that act as net sources or sinks for numerous climateactive trace gases including methane (CH4) and nitrous oxide (N2O). The temporal and spatial distributions of CH4 and N2O are controlled by the interaction of complex biogeochemical and physical processes. To evaluate and quantify how these mechanisms affect marine CH4 and N2O cycling requires a combination of traditional scientific disciplines including oceanography, microbiology, and numerical modeling. Fundamental to these efforts is ensuring that the datasets produced by independent scientists are comparable and interoperable. Equally critical is transparent communication within the research community about the technical improvements required to increase our collective understanding of marine CH4 and N2O. A workshop sponsored by Ocean Carbon and Biogeochemistry (OCB) was organized to enhance dialogue and collaborations pertaining to marine CH4 and N2O. Here, we summarize the outcomes from the workshop to describe the challenges and opportunities for near-future CH4 and N2O research in the marine environment.
    Type: Article , PeerReviewed
    Format: text
    Format: video
    Location Call Number Limitation Availability
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 2
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    Mussel calcification in the Baltic Sea under natural and manipulated carbonate chemistry parameters (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-02
    Description: Laboratory experiments were performed measuring calcification rates in Baltic Sea mussel at various salintiies, bicarbonate and calcium ion concentrations. Predictors of calcification were calculated and correlated with calcification rates. Field monitoring of carbonate chemistry, salinity and temperature was conducted and correlated with field calcification rates in southwest Baltic Sea mussel reefs.
    Keywords: bicarbonate; calcification; calcium; Climate change; ESIR; Omega; Salinity; SIR
    Type: Dataset
    Format: application/zip, 6 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Experiment on seawater calcium availability control of calcification in Baltic Sea Mytilus edulis trossulus mussels (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-02
    Description: This data set presents data from further 1.5 month-long laboratory experiments conducted at GEOMAR in Kiel, Germany where calcium ion concentration in seawater was manipulated to investigate how seawater calcium availability controls calcification in Baltic Sea Mytilus edulis trossulus mussels. Calcification rates (mass of calcium carbonate produced per unit time) was measured in 4 replicate tanks across 3 salinities and 5 calcium ion concentrations to estimate the concentration at which calcium ions start to limit calcification in the Baltic Sea at low salinities.
    Keywords: bicarbonate; Body mass, growth rate; calcification; Calcification rate of calcium carbonate; calcium; Climate change; ESIR; Omega; Salinity; Shell length, growth rate; SIR; Species; Tank number; Treatment: calcium ion concentration; Treatment: salinity
    Type: Dataset
    Format: text/tab-separated-values, 420 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Field monitoring of calcification rates of Mytilus mussels in 2016-2017, South-West Baltic Sea (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-02
    Description: This data set presents data from field monitoring of calcification rates across 15 months from 3 sites in the South-West Baltic Sea (Kiel fjord, Ahrenshoop and Usedom Island). 50 mussels were sampled from settlement structures at each location at 2 - 3 monthly intervals and shell length/mass were recorded over time to estimate calcification rates in the field related to environmental conditions.
    Keywords: AHP; Ahrenshoop_Mytilus; bicarbonate; calcification; calcium; Calcium carbonate, mass; Climate change; DEPTH, water; ESIR; Event label; Identification; KIEL; Kiel_Mytilus; MULT; Multiple investigations; Omega; Salinity; Sampling date; Shell length; SIR; Species; USE; Usedom_Mytilus
    Type: Dataset
    Format: text/tab-separated-values, 5064 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Experiment on calcification rates in juvenile Baltic Sea Mytilus edulis trossulus mussels (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-02
    Description: This data set presents data from 2 month-long laboratory experiments conducted at GEOMAR, Kiel (Germany) where seawater bicarbonate ion concentrations were manipulated to investigate the effects of limited seawater carbon availability on calcification rates in juvenile Baltic Sea Mytilus edulis trossulus. Calcification rates (mass of calcium carbonate produced per unit time) was measured in 4 replicate tanks across 3 salinities and 5 bicarbonate ion concentrations to estimate the concentration at which bicarbonate ions start to limit calcification in the Baltic Sea at low salinities.
    Keywords: bicarbonate; Body mass, growth rate; calcification; Calcification rate of calcium carbonate; calcium; Climate change; ESIR; Omega; Salinity; Shell length, growth rate; SIR; Species; Tank number; Treatment: bicarbonate ion concentration; Treatment: salinity
    Type: Dataset
    Format: text/tab-separated-values, 420 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Laboratory experiments on aragonite saturation state (omega) and extended calcification substrate inhibitor ratio (ESIR) (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-02
    Description: This data set is a combination of data from both laboratory experiments where carbonate chemistry parameters from both were used to calculate aragonite saturation state (omega) and the extended calcification substrate inhibitor ratio (ESIR). These mean values from each experimental treatment are plotted with mean values for calcification in each experimental treatment from both experiments to understand whether omega or ESIR can predict calcification more accurately in the Baltic Sea and whether Baltic Sea mussels can cope with lower ESIR and Omega values than fully marine populations.
    Keywords: Aragonite saturation state; bicarbonate; Bicarbonate ion; calcification; Calcification rate of calcium carbonate; calcium; Calcium; Climate change; ESIR; Experiment; Experimental treatment; Extended substrate inhibitor ratio; Omega; Salinity; SIR; Substrate inhibitor ratio; Treatment: salinity
    Type: Dataset
    Format: text/tab-separated-values, 270 data points
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    DATA PANGAEA
  • 7
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    Flow-through sensor data for pCO2, pCH4, O2, temperature and salinity from SCOR cruise 2016: Baltic Sea (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-22
    Description: Flow-through pCO2, pCH4 Temp/Sal, and O2 measurements in the western Baltic Sea during SCOR cruise (separate to the intercalibration exercise). Surface water flow-through sensor system set up on R.V. Elisabeth Mann Borgese (15.10.2016 - 22.10.2016). All sensors ran on the same water in a complete flow-through sensor set-up at a resolution of 1 minute. Depth of pumps: 3m Flow rate: ~ 5-6 L/min All data was processed following Canning et al., 2020 (In Review). Sensor data in separate files. Sensors: pCO2: CONTROS HydroC CO2 FT - formerly Kongsberg Maritime Contros GmbH, Kiel, Germany; now -4H-JENA engineering GmbH, Jena, Germany O2: CONTROS HydroFlash O2 - formerly Kongsberg Maritime Contros GmbH, Kiel, Germany SBE 45 Micro Thermosalinograph - Sea-Bird Electronics, Bellevue, USA Temperature, salinity, latitude and longitude included are also from the D-SHIP. Only half the cruise dataset for pCH4 due to internal issue with the sensor (see Canning et al., 2020).
    Keywords: Baltic Sea; Carbon dioxide, partial pressure; C-CASCADES; CO2; DATE/TIME; DEPTH, water; Elisabeth Mann Borgese; EMB142; Flag; LATITUDE; LONGITUDE; Methane, partial pressure; MULT; Multiple investigations; O2; Oxygen; Oxygen, partial pressure; Salinity; SCOR; SCOR_track; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 32919 data points
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    DATA PANGAEA
  • 8
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    Environmental coastal monitoring of carbonate chemistry parameters in 2015-2017, South-West Baltic Sea (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-02
    Description: This data set presents data from environmental coastal monitoring of carbonate chemistry parameters at the same 3 sites in the Baltic Sea over the course of 2 years. Poisoned water samples were analysed in laboratories in GEOMAR, Kiel and IOW, Rostock to understand the variation in carbonate chemistry and salinity and how this correlates with calcification rates of mussels in the field. These carbonate chemistry parameters were used to calculate aragonite saturation state (omega) and the ratio of calcification substrate to inhibitor (ESIR) to describe the environmental conditions relevant for calcification along the Baltic Sea salinity gradient.
    Keywords: AHP; Ahrenshoop_Mytilus; Alkalinity, total; Aragonite saturation state; bicarbonate; Bicarbonate ion; calcification; Calcite saturation state; calcium; Calcium; Calculated; Carbon, inorganic, dissolved; Carbonate ion; Carbon dioxide, partial pressure; Climate change; DATE/TIME; DEPTH, water; ESIR; Event label; Extended substrate inhibitor ratio; KIEL; Kiel_Mytilus; MULT; Multiple investigations; Omega; pH; Salinity; SIR; Site; Substrate inhibitor ratio; Temperature, water; USE; Usedom_Mytilus
    Type: Dataset
    Format: text/tab-separated-values, 870 data points
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    DATA PANGAEA
  • 9
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    Environmental costal monitoring of seawater calcium in 2015-2017, South-West Baltic Sea (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-02
    Description: This data set presents data from parallel environmental monitoring from the same 3 Baltic Sea sites using Star-Oddi mini CTD loggers. Salinity data was converted to calcium ion concentrations using published conversion factors for the Baltic Sea. This monitoring was implemented to understand natural levels of seawater calcium in South-West Baltic mussel reefs and how this impacts calcification.
    Keywords: AHP; Ahrenshoop_Mytilus; bicarbonate; calcification; calcium; Calcium; Calculated; Climate change; DATE/TIME; DEPTH, water; ESIR; Event label; KIEL; Kiel_Mytilus; MULT; Multiple investigations; Omega; Salinity; Salinity & Temperature Data Logger, DST CT, STAR ODDI; SIR; Site; Temperature, water; USE; Usedom_Mytilus
    Type: Dataset
    Format: text/tab-separated-values, 75325 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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