Processing Steps |
- Parameter or Variable: Dissolved Inorganic Carbon; Abbreviation: DIC; Unit: umol/kg; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: manipulation condition; Measured or calculated: Measured; Sampling instrument: Polypropylene bottle; Analyzing instrument: Discrete dissolved inorganic carbon (DIC) measurement (Non-dispersive infrared, or NDIR); Detailed sampling and analyzing information: DIC samples were analyzed on an Apollo SciTech DIC analyzer (Apollo SciTech, LLC, Newark, DE).Precision of the DIC instrument was confirmed by an international interlaboratory comparison exercise that consisted of low and high CO2 test seawater samples, with the laboratory being within 0.5% of assigned values (Bockmon and Dickson, 2015). During analysis, replicate measurements (n = 3) on a certified reference material were within ±2.7 μmol kg− 1 of the reported value.; Replicate information: Triplicate samples; Standardization description: CRMs; Standardization frequency: daily; CRM manufacturer: Andrew Dickson's lab at Scripps Institute of Oceanography.; Preservation method: run within minutes of collection; Preservative volume: none; Preservative correction: none; Uncertainty: ±2.7 μmol kg− 1; Researcher name: Shannon Meseck; Researcher institution: NOAA NMFS.
- Parameter or Variable: pH; Abbreviation: pH; pH scale: seawater scale; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: manipulation condition; Measured or calculated: Measured; Sampling instrument: Polypropylene bottle; Analyzing instrument: Spectrophotometer; Detailed sampling and analyzing information: Total pH was determined colorimetrically at 20 ◦C using a metacresol purple indicator dye (Sigma-Aldrich, St. Louise, MS, Dickson and Goyet, 1994) with a UV-VIS spectrophotometer (Cary100, Agilent, Santa Clara, CA, USA). Tris-buffer was used to ensure accuracy of the measurements.; Replicate information: Triplicate samples; Standardization description: TRIS BUFFER, Andrew Dickson Acid; Standardization frequency: weekly; Temperature of standardization: 20 ◦C; Temperature correction method: water bath; At what temperature was pH reported: 20 ◦C; Uncertainty: ± 0.0014.
- Parameter or Variable: exposure; Abbreviation: exposure; Unit: days; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: response variable; Measured or calculated: Measured; Calculation method and parameters: None; Sampling instrument: None; Analyzing instrument: NOne; Duration: 12 weeks; Detailed sampling and analyzing information: Exposure is the number of days that the animal was exposed to carbon dioxide.; Method reference: None; Biological subject: Atlantic Surfclam; Species ID: 80945; Researcher name: Shannon Meseck; Researcher institution: NOAA NMFS.
- Parameter or Variable: pH; Abbreviation: pH (in situ); Unit: ph seawater scale; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: manipulation condition; Measured or calculated: Calculated; Calculation method and parameters: CO2SYS; Sampling instrument: Polypropylene bottle; Analyzing instrument: Spectrophotometer; Duration: 12 weeks; Detailed sampling and analyzing information: Calculated pH at in situ temperature; Replicate information: Triplicate samples; Biological subject: Atlantic surfclam; Species ID: 80945; Researcher name: Shannon Meseck; Researcher institution: NOAA NMFS.
- Parameter or Variable: Salinity; Abbreviation: Salinity; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Measured; Sampling instrument: YSI - handheld multi-parameter instrument; Analyzing instrument: YSI - handheld multi-parameter instrument; Duration: 12 weeks; Detailed sampling and analyzing information: Daily water variables (temperature, salinity) were measured with a YSI probe (Model 556, Yellowspring, OH USA); Uncertainty: 0.1; Biological subject: Atlantic Surfclam; Species ID: 80945.
- Parameter or Variable: water temperature; Abbreviation: Temperature; Unit: C; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: in-situ observation; Measured or calculated: Measured; Sampling instrument: YSI - handheld multi-parameter instrument; Analyzing instrument: YSI - handheld multi-parameter instrument; Duration: 12 weeks; Detailed sampling and analyzing information: Daily water variables (temperature, salinity) were measured with a YSI probe (Model 556, Yellowspring, OH USA); Uncertainty: 0.1; Biological subject: Atlantic Surfclam; Species ID: 80945.
- Parameter or Variable: partial pressure (or fugacity) of carbon dioxide - water; Abbreviation: pCo2; Unit: uatm; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: manipulation condition; Measured or calculated: Calculated; Calculation method and parameters: CO2 sys; Duration: 12 week; Detailed sampling and analyzing information: DIC and pH were used in CO2SYS (Pierrot et al., 2006) for the calculation of ρCO2 (μatm), ΩCalcite, and Ωaragonite using the following constants: K1, K2 from Mehrbach et al. (1973) refit by Dickson and Millero (1987); K hydrogen sulfate from Dickson et al. (1990); and total Boron from Uppstrom 1974).; Biological subject: Atlantic Surfclam; Species ID: 80945.
- Parameter or Variable: calcite saturation state; Abbreviation: ΩC; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: manipulation condition; Measured or calculated: Calculated; Calculation method and parameters: CO2sys; Duration: 12 week; Detailed sampling and analyzing information: DIC and pH were used in CO2SYS (Pierrot et al., 2006) for the calculation of ρCO2 (μatm), ΩCalcite, and Ωaragonite using the following constants: K1, K2 from Mehrbach et al. (1973) refit by Dickson and Millero (1987); K hydrogen sulfate from Dickson et al. (1990); and total Boron from Uppstrom (1974).; Biological subject: Atlantic surflcam; Species ID: 80945.
- Parameter or Variable: aragonite saturation state; Abbreviation: Ωa; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: manipulation condition; Measured or calculated: Calculated; Calculation method and parameters: co2sys; Duration: 12 week; Detailed sampling and analyzing information: DIC and pH were used in CO2SYS (Pierrot et al., 2006) for the calculation of ρCO2 (μatm), ΩCalcite, and Ωaragonite using the following constants: K1, K2 from Mehrbach et al. (1973) refit by Dickson and Millero (1987); K hydrogen sulfate from Dickson et al. (1990); and total Boron from Uppstrom (1974).; Biological subject: Atlantic Surfclam; Species ID: 80945.
- Parameter or Variable: treatment letter; Abbreviation: replicate letter; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: response variable; Measured or calculated: Measured; Calculation method and parameters: none; Duration: 12 week; Detailed sampling and analyzing information: This is the container number for each treatment. Each level of carbon dioxide had 3 replicates identified as A, B, C. The initial measurements at day zero would apply to all treatments.; Biological subject: Atlantic surfclams; Species ID: 80945.
- Parameter or Variable: shell parameters (length or weight); Abbreviation: L; Unit: mm; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: response variable; Measured or calculated: Measured; Sampling instrument: Traceable digital calipers calibrated; Analyzing instrument: calipers; Duration: 12 week; Detailed sampling and analyzing information: Length was measured across the longest part of the shell. Parallel to the hinge; Biological subject: Atlantic surfclam; Species ID: 80945.
- Parameter or Variable: width of bivalve; Abbreviation: W; Unit: mm; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: response variable; Measured or calculated: Measured; Sampling instrument: Traceable Digital Caliper with Calibration; Analyzing instrument: Caliper; Duration: 12 week; Detailed sampling and analyzing information: Width of the bivalve was measured as the thickness of the organism where the shells are joined together.; Biological subject: Atlantic surfclam; Species ID: 80945.
- Parameter or Variable: height; Abbreviation: H; Unit: mm; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: response variable; Measured or calculated: Measured; Sampling instrument: Traceable Digital Caliper with Calibration; Analyzing instrument: Calipers; Duration: 12 week; Detailed sampling and analyzing information: Height was measured from the hinge to the outer edge of the shell.; Biological subject: Atlantic surfclam; Species ID: 80945.
- Parameter or Variable: dry weight tissue mass; Abbreviation: TM; Unit: g; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: response variable; Measured or calculated: Measured; Sampling instrument: Balance; Analyzing instrument: Balance; Duration: 12 week; Detailed sampling and analyzing information: Tissue was dried at 60C to constant weight then dry tissue weight was measured.; Biological subject: Atlantic surfclam; Species ID: 80945.
- Parameter or Variable: shell dry mass; Abbreviation: SM; Unit: g; Observation type: Laboratory experiment; In-situ / Manipulation / Response variable: response variable; Measured or calculated: Measured; Sampling instrument: Balance; Analyzing instrument: Balance; Duration: 12 weeks; Detailed sampling and analyzing information: Shell were dried until constant weight at 60C then weighed on a balance to get dry shell mass; Biological subject: Atlantic surfclam; Species ID: 80945 .
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