Dissolved inorganic carbon (DIC), total alkalinity and other hydrographic and chemical variables collected from discrete samples and profile observations during the CCGS Amundsen cruise BaySys2012 (EXPOCODE 18DL20120828) in the Hudson Bay from 2012-08-28 to 2012-09-02 (NCEI Accession 0189663)
INVESTIGATORS:
Lisa A. Miller 
- Department of Fisheries and Oceans; Institute of Ocean Sciences; Climate Chemistry Laboratory
- Department of Fisheries and Oceans; Institute of Ocean Sciences; Climate Chemistry Laboratory
Marty Davelaar
- Institute of Ocean Sciences, Fisheries and Oceans Canada
Hugh Maclean
- Institute of Ocean Sciences, Fisheries and Oceans Canada
PACKAGE DESCRIPTION: This dataset includes discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity, temperature, salinity and Oxygen-18 ratio during the CCGS Amundsen cruise BaySys2012 (EXPOCODE 18DL20120828) in the Hudson Bay from 2012-08-28 to 2012-09-02. The cruise was funded by the Canadian ArcticNET project as part of the BaySys2012 cruise.
CITE AS: Miller, Lisa A.; Davelaar, Marty; Maclean, Hugh (2019). Dissolved inorganic carbon (DIC), total alkalinity and other hydrographic and chemical variables collected from discrete samples and profile observations during the CCGS Amundsen cruise BaySys2012 (EXPOCODE 18DL20120828) in the Hudson Bay from 2012-08-28 to 2012-09-02 (NCEI Accession 0189663). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/q9vz-rf78. Accessed [date].
IDENTIFICATION INFORMATION FOR THIS DATA PACKAGE:
NCEI ACCESSION: 0189663
NCEI DOI: https://doi.org/10.25921/q9vz-rf78
EXPOCODE: 18DL20120828;
CRUISE ID: BaySys2012;
TYPES OF STUDY:
Discrete measurement;
TEMPORAL COVERAGE:
SPATIAL COVERAGE:
GEOGRAPHIC NAMES:
PLATFORMS:
RESEARCH PROJECT(S):
Discrete measurement;
TEMPORAL COVERAGE:
START DATE: 2012-08-28
END DATE: 2012-09-02
SPATIAL COVERAGE:
NORTH: 59.97
WEST: -94.07
EAST: -91.8
SOUTH: 57.39
GEOGRAPHIC NAMES:
Hudson Bay;
PLATFORMS:
CCGS Amundsen (ID: 18DL);
RESEARCH PROJECT(S):
none;
VARIABLES / PARAMETERS:
| Dissolved Inorganic Carbon | |
|---|---|
| Abbreviation: | TCARBN |
| Unit: | UMOL/KG |
| Observation type: | Discrete, bottle |
| Measured or calculated: | Measured |
| Sampling instrument: | Niskin Bottles |
| Analyzing instrument: | Coulometer, SOMMA1 |
| Detailed sampling and analyzing information: | 250mL glass bottles, preserved with 100 microliters of HgCl2, glass stoppers sealed with elastic and plastic clips. Stored in the dark at 4C and analyzed ashore. Total inorganic carbon and alkalinity were both analyzed from the same bottle. |
| Replicate information: | 1% of samples collected in replicate |
| Standardization description: | reference solution |
| Standardization frequency: | Daily |
| CRM manufacturer: | Andrew Dickson Laboratory at SIO |
| CRM batch number: | 123 |
| Preservation method: | Mercuric chloride solution |
| Preservative volume: | 100 μL |
| Preservative correction: | (known standard value/measured standard value) X analyzed sample value X 1.0002 (HgCl2 correction) |
| Uncertainty: | 2.2 μmol kg-1 |
| Quality flag convention: | WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value |
| Method reference: | Dickson, A.G., Sabine, C.L. and Christian, J.R. (Eds.) 2007. Guide to best practices for ocean CO2 measurements. PICES Special Publication 3, 191 pp. |
| Researcher name: | Lisa Miller |
| Researcher institution: | Institute of Ocean Sciences, Fisheries and Oceans Canada |
| Total alkalinity | |
|---|---|
| Abbreviation: | ALKALI |
| Unit: | UMOL/KG |
| Observation type: | Discrete, bottle |
| Measured or calculated: | Measured |
| Sampling instrument: | Niskin Bottles |
| Analyzing instrument: | potentiometric titrator, IOS1 |
| Type of titration: | Potentiometric |
| Cell type (open or closed): | Open |
| Curve fitting method: | Non-linear least squares using Labview |
| Detailed sampling and analyzing information: | 250mL glass bottles, preserved with 100 microliters of HgCl2, glass stoppers sealed with elastic and plastic clips. Stored in the dark at 4C and analyzed ashore. Total inorganic carbon and alkalinity were both analyzed from the same bottle. |
| Replicate information: | 1% of samples collected in replicate |
| Standardization description: | reference solution |
| Standardization frequency: | Daily |
| CRM manufacturer: | Certified Reference Material (Dr. Andrew Dickson, Marine Physical Laboratory, La Jolla, California) |
| CRM batch number: | CRM batch 123 |
| Preservation method: | Mercuric chloride |
| Preservative volume: | 100 μL |
| Uncertainty: | 2 μmol/kg |
| Quality flag convention: | WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value |
| Method reference: | Dickson, A.G., Sabine, C.L. and Christian, J.R. (Eds.) 2007. Guide to best practices for ocean CO2 measurements. PICES Special Publication 3, 191 pp. |
| Researcher name: | Lisa Miller |
| Researcher institution: | Institute of Ocean Sciences, Fisheries and Oceans Canada |
| CTD Temperature | |
|---|---|
| Abbreviation: | CTDTMP |
| Unit: | degrees celcius |
| Observation type: | CTD sensor |
| Sampling instrument: | CTD |
| Analyzing instrument: | CTD |
| Quality flag convention: | WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value |
| CTD Salinity | |
|---|---|
| Abbreviation: | CTDSAL |
| Observation type: | CTD sensor |
| Sampling instrument: | CTD |
| Analyzing instrument: | CTD |
| Quality flag convention: | WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value |
| Oxygen-18 ratio in water | |
|---|---|
| Abbreviation: | O-18 |
| Unit: | Del |
| Observation type: | discrete |
| Sampling instrument: | CTD Niskin Bottles |
| Analyzing instrument: | Collected in 30-mL glass screw-cap vials w/plastic caps and sealed w/parafilm. Measured ashore at G.G. Hatch Isotope Laboratories, University of Ottawa |
| Uncertainty: | 0.01 |
| Quality flag convention: | WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value |
| Method reference: | LGR User Manual |
PUBLICATIONS DESCRIBING THIS DATASET:
L.A. Miller, T. Burgers, W.J. Burt, M.A. Granskog, and T.N. Papakyriakou (2019). Air-Sea CO2 Flux Estimates in Stratified Arctic Coastal Waters: How Wrong Can We Be? Geophys. Res. Lett. 46: 235-43, https://doi.org/10.1029/2018GL080099.
ADDITIONAL INFORMATION:
none;
FUNDING AGENCY:
ArcticNET
PROJECT TITLE:
PROJECT ID:
SUBMITTED BY: Lisa A. Miller (lisa.miller@dfo-mpo.gc.ca)
SUBMISSION DATE: 2019-06-05
