Dataset: sed_comp

Name: Sediment composition data from US JGOFS Sediment Traps in the Southern Ocean, 1996-1998 (U.S. JGOFS AESOPS project)
Published: 2002-10-01
Keywords: oceans

View Data: to access data, check the deployments below

Cite This Dataset

Project:

U.S. JGOFS Antarctic Environment and Southern Ocean Process Study (AESOPS)

Program:

U.S. Joint Global Ocean Flux Study (U.S. JGOFS)

Principal Investigator:

Robert F. Anderson (Lamont-Doherty Earth Observatory, LDEO)

Frederick Sayles (Woods Hole Oceanographic Institution, WHOI)

Co-Principal Investigator:

William Martin (Woods Hole Oceanographic Institution, WHOI)

BCO-DMO Data Manager:

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

Version:

final

Version Date:

2002-10-01

Validated:

Yes

Current State:

Final no updates expected

Sediment composition data from US JGOFS Sediment Traps in the Southern Ocean, 1996-1998 (U.S. JGOFS AESOPS project)

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Description

Sediment composition

More Information about this dataset

Funding Sources

None available yet

Deployments

Deployment	Synonyms	Start Date	Platform	Investigator
NBP-96-4	NBP9604 NBP96_4	1996-08-30	RVIB Nathaniel B. Palmer	Robert F. Anderson (Chief Scientist)	data info
NBP-98-2	NBP9802 NBP98_2	1998-02-25	RVIB Nathaniel B. Palmer	Susumu Honjo (Chief Scientist)	data info

Instruments

Gravity Corer

Supplied Description:

Instrument Type

Generic Name: Gravity Corer

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/51/

Generic Description:

The gravity corer allows researchers to sample sediment layers at the bottom of lakes or oceans. The coring device is deployed from the ship and gravity carries it to the seafloor. (http://www.whoi.edu/instruments/viewInstrument.do?id=1079).

Multi Corer

Supplied Description:

Instrument Type

Generic Name: Multi Corer

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/51/

Generic Description:

The Multi Corer is a benthic coring device used to collect multiple, simultaneous, undisturbed sediment/water samples from the seafloor. Multiple coring tubes with varying sampling capacity depending on tube dimensions are mounted in a frame designed to sample the deep ocean seafloor. For more information, see Barnett et al. (1984) in Oceanologica Acta, 7, pp. 399-408.

Parameters

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

Supplied Name	Supplied description	Supplied Units	Standard Name
event	event number from event log		event
sta	station number from event log		sta
lat	latitude, minus value means South	decimal degrees	lat
lon	longitude, minus value means West	decimal degrees	lon
core_type	type of coring instrument used, where GC = gravity core where MC = multi core		no_bcodmo_term
depth_w	water depth	meters	depth_w
depth_core	depth in core, mid-point of interval sampled	centimeters	no_bcodmo_term
depth_core_sd	depth in core, standard deviation	centimeters	no_bcodmo_term
CaCO3	calcium carbonate, weight percent	percent	no_bcodmo_term
Si_opal	opal, weight percent	percent	no_bcodmo_term
Si_opal_dup	opal, duplicate analysis, weight percent	percent	no_bcodmo_term
site	sediment trap mooring number		no_bcodmo_term
deploy_id	type of sampling device: MC=MultiCorer WHIMP=Woods Hole Interstitial Marine Probe		no_bcodmo_term
porosity	volume of pore water per volume of wet sediment		no_bcodmo_term
C_org	average weight percent of organic carbon	percent	no_bcodmo_term
C_org_sd	standard deviation of replicates	percent	no_bcodmo_term
biog_tot	Si_opal + CaCO3 + 2.8*C_org	percent	no_bcodmo_term
detrital	100 - biol_tot	percent	no_bcodmo_term
Pb210xs	excess Pb210 activity	dpm/gram	no_bcodmo_term
Pb210xs_sd	uncertainty in Pb210xs	dpm/gram	no_bcodmo_term
Th234xs	excess Th234 activity	dpm/gram	no_bcodmo_term
Th234xs_sd	uncertainty in Th234xs	dpm/gram	no_bcodmo_term

Status message

Database

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Dataset: sed_comp