Dataset: West Mata 2009 DOC,13C-POC, DON

Name: DOC, POC, d13C-POC, PN from a diffuse vent in West Mata sampled in May 2009 using ROV Jason II deployed from R/V Thomas Thompson.
Published: 2021-03-09
Keywords: Dissolved Organic Carbon, DOC, dissolved organic nitrogen, DON, particulate organic carbon, POC, Stable carbon isotopes, nitrate, ammonium, oceans

Cite This Dataset

DOI:10.26008/1912/bco-dmo.844580.1

Spatial Extent: N:15.4231 E:-173.748 S:15.0936 W:-174.285

Temporal Extent: 2009-05-07 - 2009-05-11

Project:

Collaborative Research: Rapid Response to a Submarine Eruption at W. Mata Volcano (West Mata Volcano)

Principal Investigator:

Huei-Ting Lin (National Taiwan University, Taida)

Co-Principal Investigator:

Edward T. Baker (National Oceanic and Atmospheric Administration, NOAA-PMEL)

David A. Butterfield (National Oceanic and Atmospheric Administration, NOAA-PMEL)

James Cowen (University of Hawai'i, UH)

Julie Huber (Marine Biological Laboratory, MBL)

Joseph A. Resing (National Oceanic and Atmospheric Administration, NOAA-PMEL)

BCO-DMO Data Manager:

Karen Soenen (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Version:

Version Date:

2021-03-09

Restricted:

Validated:

Yes

Current State:

Final no updates expected

DOC, POC, d13C-POC, PN from a diffuse vent in West Mata sampled in May 2009 using ROV Jason II deployed from R/V Thomas Thompson.

Abstract:

DOC, POC, d13C-POC, PN from a diffuse vent in West Mata sampled in May 2009 using ROV Jason II deployed from R/V Thomas Thompson.

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Archival Copy

Version Date	Archive	Persistent Identifier (PID)	Date PID Issued
2021-03-09	Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)	10.26008/1912/bco-dmo.844580.1	2021-04-15

Methods & Sampling

Seawater samples were collected with Niskin bottles on a CTD rosette deployed from the research vessel Thomas Thompson. Hydrothermal fluid samples were collected via ROV JASON II using the PMEL Hydrothermal Fluid and Particulate Sampler into 800 mL Tedlar bags.

Particulates were collected by pumping 2-5 L of hydrothermal vent fluids through combusted GF/F filters (precombusted) using the HFPS in situ. About 10 L of seawater collected with CTD-rosette Niskin bottles were filtered on board ship through combusted GF/F filters.

Data Processing Description

Dissolved organic carbon (DOC) and total dissolved nitrogen (TDN) concentrations were measured by high-temperature (720ºC) combustion using a Shimadzu TOC-VCSH analyzer. Two consensus reference materials (CRM, from University of Miami, Dickson et al., 2007), Florida Strait 700 m-deep seawater (DSW) and low carbon water (LCW), were used.

Nitrate-plus-nitrite (N+N) analysis was carried out with a colorimetric flow injection analyzer (Grasshoff et al., 1999).

Ammonium concentrations were measured at the University of Hawaii with a flow injection-fluorometric method (Jones, 1991) and calibrated against gravimetrically prepared standards. The detection limit was 0.1 uM at the setting for measuring low concentrations of ammonium in the vent fluids. The analytical uncertainty was 0.03 uM.

Silicate was measured by colorimetry (Grasshoff et al., 1999).

Total dissolved iron (1-sigma precision 4%) in vent fluids was measured by atomic absorption at PMEL/Seattle on samples preserved shipboard with ultra-pure HCl (TraceMetal Grade).

The total iron of acidified plume samples was measured by a Ferrozine colorimetry method (Gibbs, 1976; Stookey, 1970).

The pH of was measured shipboard at laboratory temperature in a closed vessel using a glass pH electrode (Ross Sure-Flow) calibrated with NBS-certified buffers (Fisher Scientific). The precision of the measurement is 0.02 pH units.

The POC and particulate nitrogen (PN) and isotopic compositions of acidified (with 1 N HCl) GF/F samples were measured with a CN elemental analyzer (Costech, ECS 4010) connected in-line with an isotope ratio mass spectrometer (IRMS; Thermo Finnigan Delta XP) interfaced with a ConFloIV, at the University of Hawaii. The reference materials were extensively characterized with certified reference materials, including NBS 18, NBS 19, NIST 1547, NIST 3, USGS 32, USGS 34, and USGS 35.

BCO-DMO Processing notes:

Converted date and time columns to 1 datetime column (ISO format)
Longitude on western hemisphere were converted to negative (-180,180 scale)
Renamed fields to comply with database requirements

Data Files

File
particulates.csv (Comma Separated Values (.csv), 3.00 KB) MD5:8947ed550aaceb70da31ccd1f8adc226 Primary data file for dataset ID 844580

More Information about this dataset

Funding Sources

Funding Source	Award Number
NSF Division of Ocean Sciences	OCE-0929881

Deployments

Deployment	Synonyms	Start Date	Platform	Investigator
TN234		2009-05-05	R/V Thomas G. Thompson		data info

Instruments

Costech International Elemental Combustion System (ECS) 4010

Supplied Name: Costech, ECS 4010- ConFloIV-IRMS Thermo Finnigan Delta XP

Supplied Description:

Costech, ECS 4010- ConFloIV-IRMS Thermo Finnigan Delta XP

Instrument Type

Generic Name: Costech International Elemental Combustion System (ECS) 4010

Acronym: Costech ECS 4010

Generic Description:

The ECS 4010 Nitrogen / Protein Analyzer is an elemental combustion analyser for CHNSO elemental analysis and Nitrogen / Protein determination. The GC oven and separation column have a temperature range of 30-110 degC, with control of +/- 0.1 degC.

Shimadzu TOC-V Analyzer

Supplied Name: Shimadzu TOC-VCSH analyzer

Supplied Description:

Shimadzu TOC-VCSH analyzer

Instrument Type

Generic Name: Shimadzu TOC-V Analyzer

Acronym: Shimadzu TOC-V

Community Identifier: http://onto.nerc.ac.uk/CAST/124

Generic Description:

A Shimadzu TOC-V Analyzer measures DOC by high temperature combustion method.

Parameters

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

Supplied Name	Supplied description	Supplied Units	Standard Name
Sample_Type	Sample collected from hydrothermal vents or from the water column	unitless	sample_type
Sample_Site	Names of each sampling sites; W. Mata=west Mata; NELSC=Northeast Lau Spreading Center	unitless	site
UH_Sample_Series	University of Hawaii sample identification numbers	unitless	sample_descrip
Dive_CTD_cast	Dive number or CTD cast numbers	unitless	sample_descrip
Fluid_Sampler	Fluid sampler number on the PMEL Hydrothermal Fluid and Particulate Sampler (HFPS)	unitless	sample_descrip
Hydrothermal_Fluid_Sampling_ISO_DateTime_UTC	Hydrothermal fluid sampling date & time, ISO format and UTC timezone. na = Not Available Format: %Y-%m-%dT%H:%M:%SZ	unitless	ISO_DateTime_UTC
CTD_Start_ISO_DateTime_UTC	CTD start date & time, ISO format and UTC timezone. na = Not Available Format: %Y-%m-%dT%H:%MZ	unitless	ISO_DateTime_UTC
CTD_End_ISO_DateTime_UTC	CTD end date & time, ISO format and UTC timezone. na=Not Available Format: %Y-%m-%dT%H:%MZ	unitless	ISO_DateTime_UTC
Sampler_Type	Sampler type: Niskin or HFPS	unitless	sample_type
Latitude	Latitude of sampling location, south is negative	decimal degrees	lat
Longitude	Longitude of sampling location, west is negative	decimal degrees	lon
Sampling_Depth	Sampling depth	meters (m)	depth
Tmax	Maximum temperature during sampling	Degrees Celsius (°C)	temp
pH	The negative log scale of hydrogen ions (H+) in the solution to show the acidity or basicity	unitless	pH
Magnesium	Magnesium	Millimoles (mM)	no_bcodmo_term
DOC	Dissolved organic carbon	Micromoles (µM)	DOC
TDN	Total dissolved nitrogen	Micromoles (µM)	TDN
Ammonium	Ammonium	Micromoles (µM)	NH4
Nitrite	Nitrite	Micromoles (µM)	NO2
Nitrate	Nitrate	Micromoles (µM)	NO3
DON	Dissolved organic nitrogen	Micromoles (µM)	DON
C_N_ratio_DOM	Carbon to nitrogen ratio of dissolved organic matter	unitless	C_to_N
Si	Dissolved silicate	Micromoles (µM)	Si
TdFe	Total dissolved iron	Micromoles (µM)	Fe
Phosphate	Phosphate	Micromoles (µM)	PO43-
POC	Particulate organic carbon	Micromoles (µM)	POC
PN	Particulate nitrogen	Micromoles (µM)	TPN
C_N_ration_POM	Carbon to nitrogen ratio of particulate organic matter	unitless	C_to_N
d13C_POC	Stable carbon isotope of particulate organic carbon	Parts per thousand (‰)	d13C
d15N_PN	Stable carbon isotope of particulate nitrogen	Parts per thousand (‰)	d15N
Cell_L	Cell counts in per liter of vent fluids or seawater	Cells per liters (Cell/L)	biomass_C
dNTU	Turbidity	NTU	turbidity
ORP_02	Oxidation Reduction Potential probe #2	Millivolts (mV)	Ox_Red
ORP_07	Oxidation Reduction Potential probe #7	Millivolts (mV)	Ox_Red

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Dataset: West Mata 2009 DOC,13C-POC, DON