Dataset: Guaymas Basin 2014 Si
Deployment: Guaymas_2014

Porewater Si concentrations from sediment cores P3,P6,P10,P11,P12, and P13, collected on the Guaymas Basin Ridge flanks and the Sonora Margin.

Principal Investigator:

Andreas Teske (University of North Carolina at Chapel Hill, UNC-Chapel Hill)

Co-Principal Investigator:

Ivano Aiello (Moss Landing Marine Laboratories, MLML)

Ana Christina Ravelo (University of California-Santa Cruz, UCSC)

BCO-DMO Data Manager:

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

Project:

Characterizing subseafloor life and environments in the Guaymas Basin (C-DEBI Guaymas Subseafloor Life)

RAPID proposal: Site characterization cruise to document the active and extensive subsurface biosphere in the Guaymas Basin (RAPID Guaymas Basin)

Current State:

Final no updates expected

Data URL:

https://www.bco-dmo.org/dataset-deployment/784213/data

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Description

Porewater Si concentrations from sediment cores P3, P6, P10, P11, P12, and P13, collected on the Guaymas Basin Ridge flanks and the Sonora Margin. Sediment cores were collected from R/V El Puma, the Pacific Coast research vessel of the Autonomous University of Mexico, leaving Guaymas on October 14, 2014, and heading to Mazatlan on October 27, 2014.

Methods & Sampling

Dataset acquisition description

All coring operations were performed using a the piston-coring system onboard the R/V El Puma. See http://www.buques.unam.mx for additional information.

Filtered but unamended porewater samples, stored at 4°C, were used for quantifying multiple stable ions, including silicate, by ion chromatography at GEOMAR, Kiel, Germany (Hensen et al., 2007).

Data Processing Description

Dataset Processing Description

BCO-DMO Processing:
- modified parameter names (removed units in parens);
- added dates provided by submitter.

More information about this dataset deployment

Funding

Award Number	Funding Source
OCE-0939564	NSF Division of Ocean Sciences
OCE-1449604	NSF Division of Ocean Sciences

Instruments

Ion Chromatograph

Supplied Name:

Supplied Description:

Instrument Type

Generic Name: Ion Chromatograph

Generic Description:

Ion chromatography is a form of liquid chromatography that measures concentrations of ionic species by separating them based on their interaction with a resin. Ionic species separate differently depending on species type and size. Ion chromatographs are able to measure concentrations of major anions, such as fluoride, chloride, nitrate, nitrite, and sulfate, as well as major cations such as lithium, sodium, ammonium, potassium, calcium, and magnesium in the parts-per-billion (ppb) range. (from http://serc.carleton.edu/microbelife/research_methods/biogeochemical/ic.html)

Parameters

Supplied Name	Supplied description	Supplied Units	Standard Name
core	Core identifier	unitless	core_id
lat	Latitude at sampling location; positive = north	decimal degrees	lat
long	Longitude at sampling location; negative = west	decimal degrees	lon
depth_water	Water depth at sampling location	meters (m)	depth_w
core_sample	Identifier for the core sample	unitless	sample
depth_cmbsf	Depth in centimeters below seafloor	centimeters (cm)	depth_bsf
Si	Si concentration	millimoles per liter (mmol/L)	Si
date	Sample date. Format: yyyy-mm-dd	unitless	date

Database

Contribute Data

Dataset: Guaymas Basin 2014 Si
Deployment: Guaymas_2014

Dataset acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: Guaymas Basin 2014 SiDeployment: Guaymas_2014

Dataset acquisition description

Dataset Processing Description

Dataset: Guaymas Basin 2014 Si
Deployment: Guaymas_2014