Skip to main content

Dissolved inorganic carbon (DIC), pH on SWS, total alkalinity, chlorofluorocarbons, temperature, salinity and other variables collected from discrete samples and profile observations during NOAA Ship Ronald H. Brown CLIVAR Repeat Hydrography Section A10 (EXPOCODE 33RO20110926) cruise in the South Atlantic Ocean from 2011-09-26 to 2011-10-31 (NCEI Accession 0109914)

INVESTIGATORS:
Rik Wanninkhof ORCID logo - NOAA Atlantic Oceanographic and Meteorological Laboratory (AOML)
Craig A. Carlson ORCID logo - University of California - Santa Barbara (UCSB)
Frank J. Millero - Rosenstiel School of Marine and Atmospheric Science (RSMAS)
Richard A. Feely ORCID logo - NOAA Pacific Marine Environmental Laboratory (PMEL)

PACKAGE DESCRIPTION: This dataset includes discrete sample and profile data collected during a NOAA Ship Ronald H. Brown cruise along the CLIVAR Repeat Hydrography Section A10 (EXPOCODE 33RO20110926) in the South Atlantic Ocean from 2011-09-26 to 2011-10-31. These data include measurements of dissolved inorganic carbon (DIC), pH on SWS, total alkalinity, chlorofluorocarbons (CFC-11, CFC-12), sulfur hexafluoride (SF6), dissolved organic carbon (DOC), total dissolved nitrogen (TDN), delta carbon 14, delta carbon 13, temperature, salinity, dissolved oxygen, silicate, nitrate, nitrite, phosphate, carbon tetrachloride and theta. The instruments used to collect these data include Alkalinity titrator, CTD, coulometer for DIC measurement, Niskin bottles and pH sensors. The International CLIVAR Global Ocean Carbon and Repeat Hydrography Program carries out a systematic and global re-occupation of select WOCE/JGOFS hydrographic sections to quantify changes in storage and transport of heat, fresh water, carbon dioxide (CO2), and related parameters.

CITE AS: Wanninkhof, Rik; Feely, Richard A.; Millero, Frank J.; Carlson, Craig A.; Baringer, Neil; Macdonald, Alison M.; Johnson, Gregory C.; Zhang, Jia-Zhong; Mordy, Calvin; Langdon, Chris; Bullister, John L.; Schlosser, Peter; Jenkins, William J.; Foreman, Alan; Coppola, Alysha I.; McNichol, Ann; Key, Robert M. (2013). Dissolved inorganic carbon (DIC), pH on SWS, total alkalinity, chlorofluorocarbons, temperature, salinity and other variables collected from discrete samples and profile observations during NOAA Ship Ronald H. Brown CLIVAR Repeat Hydrography Section A10 (EXPOCODE 33RO20110926) cruise in the South Atlantic Ocean from 2011-09-26 to 2011-10-31 (NCEI Accession 0109914). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.3334/cdiac/otg.clivar_a10_2011. Accessed [date].


DATA PACKAGES RELATED TO THIS ONE:
none;
IDENTIFICATION INFORMATION FOR THIS DATA PACKAGE:
NCEI ACCESSION: 0109914
NCEI DOI: https://doi.org/10.3334/cdiac/otg.clivar_a10_2011
EXPOCODE: 33RO20110926;
CRUISE ID: CLIVAR_A10_2011;
SECTION/LEG: CLIVAR A10;

TYPES OF STUDY:
Discrete measurement;Profile;

TEMPORAL COVERAGE:
START DATE: 2011-09-26
END DATE: 2011-10-31

SPATIAL COVERAGE:
NORTH: -24.252
WEST: -47.949
EAST: 18.079
SOUTH: -33.637

GEOGRAPHIC NAMES:
Atlantic Ocean;

PLATFORMS:
R/V Ronald H. Brown (ID: 33RO);

RESEARCH PROJECT(S):
none;


VARIABLES / PARAMETERS:

Dissolved Inorganic Carbon
Abbreviation: DIC
Observation type: discrete
In-situ / Manipulation / Response variable: In-situ observation
Measured or calculated: Calculated
Replicate information: 1-3 per station drawn at bottom, surface, and near the oxygen minimum (~ 1000 m)
Standardization description: CRMs provided by Andrew Dickson and by injecting aliquots of pure (99.99%) CO2 from 2 different sized gas loops.
CRM batch number: 85 96 108
Total alkalinity
Abbreviation: TA
Observation type: discrete
In-situ / Manipulation / Response variable: In-situ observation
Measured or calculated: Measured
Type of titration: HCl multipoint titration
Cell type (open or closed): closed
Curve fitting method: Millero et al., 1993
TA blank correction: ~3 μmol/kg
Uncertainty: Accuracy +/- 1.92 μmol/kg based on CRM titrations precision +/- 2.55 μmol/kg based on duplicate measurements
Method reference: Millero, F.J., J.-Z. Zhang, K, Lee, and D.M. Campbell, 1993b: Titration alkalinity of seawater. Mar. Chem., 44, 153-165. 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.
pH
Abbreviation: pH
pH scale: seawater scale
Observation type: discrete
In-situ / Manipulation / Response variable: In-situ observation
Measured or calculated: Measured
Temperature of pH measurement: 25
Detailed sampling and analyzing information: Potentiometric using ORION 8101 glass and reference electrode
Uncertainty: accuracy 0.005 based on CRM measurements precision 0.004 based on duplicate measurements
CTDTMP
Abbreviation: CTDTMP
Unit: DEG_C
Controlled vocabulary name: WATER TEMPERATURE
In-situ / Manipulation / Response variable: in-situ
CTDSAL
Abbreviation: CTDSAL
Controlled vocabulary name: SALINITY
In-situ / Manipulation / Response variable: in-situ
SALNTY
Abbreviation: SALNTY
Controlled vocabulary name: SALINITY
In-situ / Manipulation / Response variable: in-situ
CTDOXY
Abbreviation: CTDOXY
Unit: UMOL/KG
Controlled vocabulary name: DISSOLVED OXYGEN
In-situ / Manipulation / Response variable: in-situ
OXYGEN
Abbreviation: OXYGEN
Unit: UMOL/KG
Controlled vocabulary name: DISSOLVED OXYGEN
In-situ / Manipulation / Response variable: in-situ
SILCAT
Abbreviation: SILCAT
Unit: UMOL/KG
Controlled vocabulary name: silicate
In-situ / Manipulation / Response variable: in-situ
NITRAT
Abbreviation: NITRAT
Unit: UMOL/KG
Controlled vocabulary name: NITRATE
In-situ / Manipulation / Response variable: in-situ
NITRIT
Abbreviation: NITRIT
Unit: UMOL/KG
Controlled vocabulary name: NITRITE
In-situ / Manipulation / Response variable: in-situ
PHSPHT
Abbreviation: PHSPHT
Unit: UMOL/KG
Controlled vocabulary name: phosphate
In-situ / Manipulation / Response variable: in-situ
CFC-11
Abbreviation: CFC-11
Unit: PMOL/KG
Controlled vocabulary name: CHLOROFLUOROCARBON-11 (CFC-11)
In-situ / Manipulation / Response variable: in-situ
CFC-12
Abbreviation: CFC-12
Unit: PMOL/KG
Controlled vocabulary name: CHLOROFLUOROCARBON-12 (CFC-12)
In-situ / Manipulation / Response variable: in-situ
SF6
Abbreviation: SF6
Unit: FMOL/KG
Controlled vocabulary name: Sulfur Hexaflouride (SF6)
In-situ / Manipulation / Response variable: in-situ
CCL4
Abbreviation: CCL4
Unit: PMOL/KG
Controlled vocabulary name: Carbon tetrachloride (CCL4)
In-situ / Manipulation / Response variable: in-situ
TCARBN
Abbreviation: TCARBN
Unit: UMOL/KG
Controlled vocabulary name: DISSOLVED INORGANIC CARBON (DIC)
In-situ / Manipulation / Response variable: in-situ
ALKALI
Abbreviation: ALKALI
Unit: UMOL/KG
Controlled vocabulary name: total alkalinity
In-situ / Manipulation / Response variable: in-situ
PH_SWS
Abbreviation: PH_SWS
Controlled vocabulary name: pH
In-situ / Manipulation / Response variable: in-situ
PH_TMP
Abbreviation: PH_TMP
Unit: DEG_C
Controlled vocabulary name: pH
In-situ / Manipulation / Response variable: in-situ
DOC
Abbreviation: DOC
Unit: UMOL/KG
Controlled vocabulary name: DISSOLVED ORGANIC CARBON
In-situ / Manipulation / Response variable: in-situ
TDN
Abbreviation: TDN
Unit: UMOL/KG
Controlled vocabulary name: Total Dissolved Nitrogen (TDN)
In-situ / Manipulation / Response variable: in-situ
DELC14
Abbreviation: DELC14
Unit: /MILLE
Controlled vocabulary name: DELTA CARBON-14
In-situ / Manipulation / Response variable: in-situ

PUBLICATIONS DESCRIBING THIS DATASET:
none;
ADDITIONAL INFORMATION:
none;
FUNDING AGENCY:
NOAA Climate Program
PROJECT TITLE:
PROJECT ID:

SUBMITTED BY: Alex Kozyr (Alex.Kozyr@noaa.gov)

SUBMISSION DATE: 2013-07-03

REVISION DATE: 2019-12-20

PREVIOUS VERSIONS: Version 1.1Version 2.2Version 3.3Version 4.4Version 5.5