INVESTIGATORS:
Rik Wanninkhof
- NOAA Atlantic Oceanographic and Meteorological Laboratory (AOML)
Frank J. Millero
- Rosenstiel School of Marine and Atmospheric Science (RSMAS)
Dennis A. Hansell
- Rosenstiel School of Marine and Atmospheric Science (RSMAS)
PACKAGE DESCRIPTION: This dataset includes chemical, discrete sample, physical and profile data collected from NOAA Ship MALCOLM BALDRIGE in the Indian Ocean and Laccadive Sea from 1995-09-22 to 1995-10-25. These data include CHLOROFLUOROCARBON-11 (CFC-11), CHLOROFLUOROCARBON-12 (CFC-12), DELTA CARBON-13, DISSOLVED INORGANIC CARBON (DIC), DISSOLVED OXYGEN, HYDROSTATIC PRESSURE, NITRATE, NITRITE, NITROGEN - ORGANIC, Partial pressure (or fugacity) of carbon dioxide - water, Potential temperature (theta), SALINITY, TOTAL ALKALINITY (TA), Total Organic Carbon (TOC), WATER TEMPERATURE, pH, phosphate and silicate. The instruments used to collect these data include CTD and bottle.
These data were collected by Dennis Hansell and Frank J. Millero of Rosenstiel School of Marine and Atmospheric Science and Rik Wanninkhof of NOAA Atlantic Oceanographic and Meteorological Laboratory as part of the WOCE_IR08N_OACES-95 data set. CDIAC associated the following cruise ID(s) with this data set: WOCE Repeat IR08N (OACES-95)
The World Ocean Circulation Experiment (WOCE) was a major component of the World Climate Research Program with the overall goal of better understanding the ocean's role in climate and climatic changes resulting from both natural and anthropogenic causes. The CO2 survey took advantage of the sampling opportunities provided by the WOCE Hydrographic Program (WHP) cruises during this period between 1990 and 1998. The final collection covers approximately 23,000 stations from 94 WOCE cruises.
CITE AS: Wanninkhof, Rik; Hansell, Dennis A.; Millero, Frank J. (2013). Partial pressure (or fugacity) of carbon dioxide, dissolved inorganic carbon, pH, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from NOAA Ship MALCOLM BALDRIGE in the Indian Ocean and Laccadive Sea from 1995-09-22 to 1995-10-25 (NCEI Accession 0114478). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.3334/cdiac/otg.ir08n_oaces_1995. Accessed [date].
DATA PACKAGES RELATED TO THIS ONE:
none;
IDENTIFICATION INFORMATION FOR THIS DATA PACKAGE:
NCEI ACCESSION: 0114478
NCEI DOI: https://doi.org/10.3334/cdiac/otg.ir08n_oaces_1995
EXPOCODE: 3175MB95_07;
33MW19950922;
CRUISE ID: WOCE Repeat IR08N (OACES-95);
SECTION/LEG: WOCE I08N;
TYPES OF STUDY: Discrete measurement;Profile;TEMPORAL COVERAGE:
START DATE: 1995-09-22
END DATE: 1995-10-25
SPATIAL COVERAGE:
WEST: 79.3437
EAST: 109.9762
GEOGRAPHIC NAMES: Indian Ocean;
PLATFORMS: R/V Malcolm Baldrige (ID: 33MW);
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: |
The DIC analyses were performed by extracting the inorganic carbon in a seawater sample by acidification and subsequent displacement of the gaseous CO2 into a coulometer cell. Two coulometers (AOML-1 and PMEL-1) were used on the cruise. Both were equipped with the SOMMA (Single Operator Multiparameter Metabolic Analyzer) inlet system developed by Ken Johnson of Brookhaven National Laboratory (BNL). |
CRM batch number: |
batch #29 1902.33 μmol/kg +/- 1.06 n=11 |
Total alkalinity |
Abbreviation: |
TA |
Observation type: |
discrete |
In-situ / Manipulation / Response variable: |
In-situ observation |
Measured or calculated: |
Measured |
Type of titration: |
Single point titration |
Cell type (open or closed): |
Closed |
Curve fitting method: |
The titration systems used to determine TA consist of a Metrohm 665 Dosimat titrator and an Orion 720A pH meter that is controlled by a personal computer (Millero et al., 1993b). |
Method reference: |
Millero et al., 1993 |
pH |
Abbreviation: |
pH |
pH scale: |
Total pH scale |
Observation type: |
discrete |
In-situ / Manipulation / Response variable: |
In-situ observation |
Measured or calculated: |
Measured |
Temperature of pH measurement: |
25C |
Detailed sampling and analyzing information: |
The pH measurements of seawater were made using the spectrophotometric techniques of Clayton and Byrne (1993). |
pCO2 (fCO2) discrete |
Abbreviation: |
fCO2 |
Observation type: |
discrete |
In-situ / Manipulation / Response variable: |
In-situ observation |
Measured or calculated: |
Measured |
Seawater volume: |
500 mL |
Headspace volume: |
60 mL |
Temperature of measurement: |
20 deg.C |
Detailed sampling and analyzing information: |
fCO2 - Gas Chromatographic (GC) Method |
Uncertainty: |
Overall precision was 3 uatm over the observed range of 200 to 1500 µatm. |
Method reference: |
Neill et al.,1997 |
CTDTMP |
Abbreviation: |
CTDTMP |
Unit: |
DEG_C |
Controlled vocabulary name: |
WATER TEMPERATURE |
In-situ / Manipulation / Response variable: |
in-situ |
SALNTY |
Abbreviation: |
SALNTY |
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 |
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 |
SILCAT |
Abbreviation: |
SILCAT |
Unit: |
UMOL/KG |
Controlled vocabulary name: |
silicate |
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 |
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 |
FCO2 |
Abbreviation: |
FCO2 |
Unit: |
UATM |
Controlled vocabulary name: |
partial pressure of carbon dioxide - water |
In-situ / Manipulation / Response variable: |
in-situ |
FCO2TMP |
Abbreviation: |
FCO2TMP |
Unit: |
DEG_C |
Controlled vocabulary name: |
partial pressure of carbon dioxide - water |
In-situ / Manipulation / Response variable: |
in-situ |
PH |
Abbreviation: |
PH |
Unit: |
SWS@25C |
Controlled vocabulary name: |
pH |
In-situ / Manipulation / Response variable: |
in-situ |
PH_TMP |
Abbreviation: |
PH_TMP |
Controlled vocabulary name: |
pH |
In-situ / Manipulation / Response variable: |
in-situ |
TOC |
Abbreviation: |
TOC |
Unit: |
UMOL/L |
Controlled vocabulary name: |
Total Organic Carbon (TOC) |
In-situ / Manipulation / Response variable: |
in-situ |
TON |
Abbreviation: |
TON |
Unit: |
UMOL/L |
Controlled vocabulary name: |
NITROGEN - ORGANIC |
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: Peng, T.-H., R. Wanninkhof, J. Bullister, R. Feely and T. Takahashi. 1998. Quantification of decadal anthropogenic CO2 uptake in the ocean based on dissolved inorganic carbon measurements. Nature 396:560-563.
Peltola, E., R. Wanninkhof, R. Molinari, B. Huss and e. al. 1998. Chemical and hydrographic measurements from the NOAA/OACES I8repeat section. ERL AOML-34, Miami.
Sabine, C.L., R. Wanninkhof, R.M. Key, C. Goyet, R. Millero. 2000. Seasonal CO2 fluxes in the tropical Indian Ocean. Mar. Chem. 72:33-53.
Sabine, C.L., R.M. Key, K.M. Johnson, F.J. Millero, A. Poisson, J.L. Sarmiento, D.W.R. Wallace and C.D. Winn. 1999. Anthropogenic CO2 inventory of the Indian Ocean. Global Biogeochem. Cyc. 13(1):179-198.
Sabine, C.L., R.M. Key, R.A. Feely and D. Greeley. 2002. Inorganic carbon in the Indian Ocean: Distribution and dissolution processes. Global Biogeochem. Cyc. 16(4) https://doi.org/10.1029/2002GB001869
ADDITIONAL INFORMATION: none;
FUNDING AGENCY:
SUBMITTED BY: Alex Kozyr (Alex.Kozyr@noaa.gov)
SUBMISSION DATE: 2013-12-12
REVISION DATE: 2017-02-21
PREVIOUS VERSIONS: Version 1.1