Dataset: tco2_man
Deployment: TT007

Total carbon dioxide, delta13C and delta18O

Principal Investigator:

Paul Quay (University of Washington, UW)

Co-Principal Investigator:

Dr Jianrong Zhang (University of Washington, UW)

BCO-DMO Data Manager:

Cynthia L. Chandler (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Project:

U.S. JGOFS Equatorial Pacific (EqPac)

Version:

July 29, 2002

Deployment Synonyms:

EqPac Spring Survey

Version Date:

2002-07-29

Data URL:

https://www.bco-dmo.org/dataset-deployment/450842/data

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Description

Total carbon dioxide, delta13C and delta18O

Methods & Sampling

Dataset acquisition description

See Platform deployments for cruise specific documentation

Deployment-specific acquisition description

   PI:              Paul Quay and Jianrong Zhang
   of:              University of Washington
   dataset:         Dissolved Inorganic Carbon, delta13C and delta18O
   dates:           February 04, 1992 to March 09, 1992
   location:        N: 11.9685  S: -12.1049  W: -140.4302  E: -134.7928
   project/cruise:  EQPAC/TT007 - Spring Survey
   ship:            Thomas Thompson
 
   The methodology is described in the following literature:
 
   1. Kroopnick P. M. (1974) The dissolved O2-CO2-13C system in the
   eastern equatorial Pacific. Deep-Sea Research, 21, 211-227.
   2. Quay P. D., B. Tilbrook and C. S. Wong (1992) Oceanic uptake of
   fossil fuel CO2:Carbon-13 Evidence, Science, 256, 74-79.
 
   EqPac bottle quality review summary from DMO
 
   DMO cautionary note:
   The DMO suspects a misalignment of either bottle number or the
   corresponding depth/pressure for event number 03010354.  Possible solutions
   are: bottle 19 at 54 meters or bottle 18 at 64 meters.

Data Processing Description

Dataset Processing Description

More information about this dataset deployment

Instruments

Niskin bottle

Supplied Name: Niskin Bottle

Supplied Description:

CTD clean rosette (Niskin) bottles were used to collect water samples.

Instrument Type

Generic Name: Niskin bottle

Community Identifier: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0412/

Generic Description:

A Niskin bottle (a next generation water sampler based on the Nansen bottle) is a cylindrical, non-metallic water collection device with stoppers at both ends. The bottles can be attached individually on a hydrowire or deployed in 12, 24, or 36 bottle Rosette systems mounted on a frame and combined with a CTD. Niskin bottles are used to collect discrete water samples for a range of measurements including pigments, nutrients, plankton, etc.

Parameters

Supplied Name	Supplied description	Supplied Units	Standard Name
event	event number from cruise logs	MMDDhhmm	event
sta	station number		no_bcodmo_term
lat_n	nominal latitude of station, (- south indicator)	whole degrees	no_bcodmo_term
lon_n	nominal longitude of station, (- west indicator)	whole degrees	no_bcodmo_term
cast	CTD rosette cast number		cast
bot	rosette bottle number		no_bcodmo_term
press	sample depth reported as pressure	decibars	press
TCO2_man	total carbon dioxide in seawater, manometric method	micromoles C/kilogram	no_bcodmo_term
delta13C	ratio carbon 12 to carbon 13 corrected to PDB standard		no_bcodmo_term
delta18O	ratio oxygen 16 to oxygen 18 corrected to PDB standard, delta 18O are for the oxygen in CO2 converted from DIC.		no_bcodmo_term
q_flag	quality flag, applies to all samples 2 means ok 3 indicates a questionable sample		no_bcodmo_term

Database

Contribute Data

Dataset: tco2_man
Deployment: TT007

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: tco2_manDeployment: TT007

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Dataset: tco2_man
Deployment: TT007