Dataset: DIC and d13C-DIC

Name: DIC and del13C-DIC from nine M/S Columbus Waikato cruises between New Zealand and Long Beach, CA in the Pacific Basin from 2004-2006
Published: 2017-05-24
Keywords: oceans

Cite This Dataset

DOI:10.1575/1912/bco-dmo.700907.1

Spatial Extent: N:46.4 E:179.7 S:-39.11 W:-179.93

Temporal Extent: 2004-03-03 - 2005-10-08

Project:

Time-Series Measurements of the 13C/12C of Dissolved Inorganic Carbon (13C/12C DIC Time-Series)

Principal Investigator:

Paul Quay (University of Washington, UW)

Co-Principal Investigator:

Laurie Juranek (Oregon State University, OSU-CEOAS)

Contact:

Paul Quay (University of Washington, UW)

BCO-DMO Data Manager:

Shannon Rauch (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Version:

Version Date:

2017-05-24

Restricted:

Validated:

Current State:

Final no updates expected

DIC and del13C-DIC from nine M/S Columbus Waikato cruises between New Zealand and Long Beach, CA in the Pacific Basin from 2004-2006

Abstract:

Carbonate chemistry and isotopes from nine M/S Columbus Waikato cruises between New Zealand and Long Beach, CA in the Pacific Basin from 2004-2006. This dataset includes dissolved inorganic carbon (DIC), and del13C-DIC.

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Archival Copy

Version Date	Archive	Persistent Identifier (PID)	Date PID Issued
2017-05-24	Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)	10.1575/1912/bco-dmo.700907.1	2019-08-02

Description

Methods & Sampling

Shipboard Sample Collection Methods: Samples were collected in pre-washed and baked 250 ml ground glass stoppered bottles that were poisoned with 100 ul of a saturated HgCl2 solution. The stored sealed samples were returned to the Stable Isotope Laboratory at the University of Washington for extraction and measurement.

Laboratory Methods: CO2 was extracted from the DIC seawater samples using a modification of the helium stripping technique described in Quay and Stutsman (2003). The del13C is measured on a Thermo Finnigan MAT 253 mass spectrometer.

Data Processing Description

Data are only reported for samples that meet quality control standards (any with problems in the laboratory extraction and measurement process have been omitted in the data spreadsheet). Blank cells have been replaced with nd (no data).

BCO-DMO Data Processing:
- re-formatted time to HHMM;
- modified parameter names to conformw ith BCO-DMO naming conventions (replaced hyphens with underscores);
- added ISO_DateTime_UTC using original date and time fields.

Data Files

File
Waikato_carbon.csv (Comma Separated Values (.csv), 34.21 KB) MD5:f744da5125126171be08cb08b165e4a1 Primary data file for dataset ID 700907

More Information about this dataset

Funding Sources

Funding Source	Award Number
NSF Division of Ocean Sciences	OCE-0327006
National Oceanic and Atmospheric Administration	NA17RJ1232

Deployments

Deployment	Synonyms	Start Date	Platform	Investigator
CW2004_02	PWZ04A	2004-03-03	M/S Columbus Waikato	Richard A. Feely (Principal Investigator)	data info
CW2004_06	PWZ04B	2004-06-10	M/S Columbus Waikato	Richard A. Feely (Principal Investigator)	data info
CW2004_09	PWZ04D	2004-09-20	M/S Columbus Waikato	Richard A. Feely (Principal Investigator)	data info
CW2005_02	PWZ05A	2005-02-16	M/S Columbus Waikato	Richard A. Feely (Principal Investigator)	data info
CW2005_04	PWZ05B	2005-04-06	M/S Columbus Waikato	Richard A. Feely (Principal Investigator)	data info
CW2005_07	PWZ05C	2005-07-02	M/S Columbus Waikato	Richard A. Feely (Principal Investigator)	data info
CW2005_08	PWZ05D	2005-08-17	M/S Columbus Waikato	Richard A. Feely (Principal Investigator)	data info
CW2005_09	PWZ05E	2005-09-23	M/S Columbus Waikato	Richard A. Feely (Principal Investigator)	data info
PWZ04C		2004-08-01	M/S Columbus Waikato		data info

Instruments

Isotope-ratio Mass Spectrometer

Supplied Name: Thermo Finnigan MAT 253 mass spectrometer

Supplied Description:

del13C was measured on a Thermo Finnigan MAT 253 mass spectrometer.

Instrument Type

Generic Name: Isotope-ratio Mass Spectrometer

Acronym: IR Mass Spec; IRMS

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/LAB16/

Generic Description:

The Isotope-ratio Mass Spectrometer is a particular type of mass spectrometer used to measure the relative abundance of isotopes in a given sample (e.g. VG Prism II Isotope Ratio Mass-Spectrometer).

Parameters

Date and time formats are described in python strftime() syntax.

Supplied Name	Supplied description	Supplied Units	Standard Name
SIL_cruise_id	UW Stable Isotope Lab cruise identification	unitless	cruise_id
PMEL_cruise_id	NOAA Pacific Marine Environmental Lab cruise identification	unitless	cruise_id
ISO_DateTime_UTC	Date and time (UTC) formatted to ISO8601 standard (yyyy-mm-ddTHH:MM:SSxx)	unitless	ISO_DateTime_UTC
date	Year, month, and day (UTC) in yyyy-mm-dd format	unitless	date
time	Time (UTC) in HHMM format	unitless	time
lat	Latitude; north is positive	decimal degrees	lat
lon	Longitude; east is positive	decimal degrees	lon
DIC	Dissolved inorganic carbon measured manometrically	micromoles/kilogram (umol/kg)	DIC
d13C_DIC	Carbon 13 to Carbon 12 ratio of DIC: 1000*[(13C/12C)sample - (13C/12C)standard]/ (13C/12C)standard	per mil	d13C_DIC

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