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Dissolved inorganic carbon, pH, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using Alkalinity titrator, CTD and other instruments from HESPERIDES in the North Atlantic Ocean and South Atlantic Ocean from 2010-04-05 to 2010-05-16 (NCEI Accession 0109927)

INVESTIGATORS:
Fiz F. Pérez ORCID logo - Institute of Marine Research Vigo (IIM)
Aída F. Ríos - Institute of Marine Research Vigo (IIM)
Elisa F. Guallart - Institute of Marine Research Vigo (IIM)
Noelia M. Fajar - Institute of Marine Research Vigo (IIM)
Josep L. Pelegrí - Instituto de Ciencias Del Mar - Barcelona

PACKAGE DESCRIPTION: This dataset includes discrete sample and profile data collected from HESPERIDES in the North Atlantic Ocean and South Atlantic Ocean from 2010-04-05 to 2010-05-16. These data include CHLOROFLUOROCARBON-11 (CFC-11), CHLOROFLUOROCARBON-12 (CFC-12), DELTA HELIUM-3, DISSOLVED INORGANIC CARBON (DIC), DISSOLVED OXYGEN, HELIUM, HYDROSTATIC PRESSURE, NEON, NITRATE, Potential temperature (theta), SALINITY, TOTAL ALKALINITY (TA), WATER TEMPERATURE, pH, phosphate and silicate. The instruments used to collect these data include Alkalinity titrator, CTD, Coulometer for DIC measurement, bottle and spectrophotometer. These data were collected by Fiz Pérez, J.L. Pelegrí, Noelia Fajar, Elisa F. Guallart and Aida F. Ríos of Instituto de Investigaciones Marinas de Vigo as part of the CLIVAR_A06_2010 data set. CDIAC associated the following cruise ID(s) with this data set: CLIVAR_A06_2010 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: Pelegrí, Josep L.; Fajar, Noelia M. (2013). Dissolved inorganic carbon, pH, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using Alkalinity titrator, CTD and other instruments from HESPERIDES in the North Atlantic Ocean and South Atlantic Ocean from 2010-04-05 to 2010-05-16 (NCEI Accession 0109927). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.3334/cdiac/otg.clivar_a06_2010. Accessed [date].


DATA PACKAGES RELATED TO THIS ONE:
none;
IDENTIFICATION INFORMATION FOR THIS DATA PACKAGE:
NCEI ACCESSION: 0109927
NCEI DOI: https://doi.org/10.3334/cdiac/otg.clivar_a06_2010
EXPOCODE: 29HE20100405; MOC2EC2010;
CRUISE ID: CLIVAR_A06_2010;
SECTION/LEG: CLIVAR A06;

TYPES OF STUDY:
Discrete measurement;Profile;

TEMPORAL COVERAGE:
START DATE: 2010-04-05
END DATE: 2010-05-16

SPATIAL COVERAGE:
NORTH: 8.382
WEST: -50.5008
EAST: -14.3888
SOUTH: -4.8152

GEOGRAPHIC NAMES:
Atlantic Ocean;

PLATFORMS:
R/V Hesperides (ID: 29HE);

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
Detailed sampling and analyzing information: Measured ashore at Vigo using a SOMMA (Single-Operator Multiparameter Metabolic Analyzers) system connected to a model CM101_093 coulometer (UIC.INC, Joliet, ILLINOIS, USA).
CRM batch number: 99 100
Total alkalinity
Abbreviation: TA
Observation type: discrete
In-situ / Manipulation / Response variable: In-situ observation
Measured or calculated: Measured
Type of titration: potentiometric
Curve fitting method: Measurements of AT were done by a one endpoint method using an automatic potentiometric titrator (Titrando 801 Metrohm) with a combined glass electrode (Pérez and Fraga, 1987).
Uncertainty: The uncertainties of alkalinity were +/-0.7 μmol kg-1,
Method reference: Pérez, F.F., Fraga, F., 1987. A precise and rapid analytical procedure for alkalinity determination. Marine Chemistry, 21, 169-182. Pérez, F.F., A.F. Ríos, T. Rellán, M. Alvarez. 2000. Improvements in a fast potentiometric seawater alkalinity determination. Ciencias Marinas, 26, 463-478.
pH
Abbreviation: pH
pH scale: SWS
Observation type: discrete
In-situ / Manipulation / Response variable: In-situ observation
Measured or calculated: Measured
Temperature of pH measurement: 25 Deg.C
Detailed sampling and analyzing information: The pH measurements were made using the spectrophotometric method described in Clayton and Byrne (1993).
Uncertainty: The uncertainties of pH were +/-0.002.
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
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
PHSPHT
Abbreviation: PHSPHT
Unit: UMOL/KG
Controlled vocabulary name: phosphate
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
THETA
Abbreviation: THETA
Unit: DEG_C
Controlled vocabulary name: Potential temperature (theta)
In-situ / Manipulation / Response variable: in-situ

PUBLICATIONS DESCRIBING THIS DATASET:
none;
ADDITIONAL INFORMATION:
none;
FUNDING AGENCY:

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

SUBMISSION DATE: 2013-07-03

REVISION DATE: 2016-02-23

PREVIOUS VERSIONS: Version 1.1