Dataset: d15N_nitrate
Deployment: KM0414

d15N and d18O isotopic analysis of nitrate samples

Co-Chief Scientist:

Tom W. Trull (Antarctic Climate and Ecosystems Cooperative Research Centre, ACE CRC)

Principal Investigator:

Karen L. Casciotti (Woods Hole Oceanographic Institution, WHOI)

BCO-DMO Data Manager:

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

Project:

VERtical Transport In the Global Ocean (VERTIGO)

Current State:

Final no updates expected

Version:

12 February 2008

Deployment Synonyms:

ALOHA

Version Date:

2008-02-12

Data URL:

https://www.bco-dmo.org/dataset-deployment/451647/data

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Description

d15N and d18O isotopic analysis of nitrate samples

Methods & Sampling

Dataset acquisition description

 Methodology: Methodology
 
 Change history: YYMMDD
   080128: contributed by Karen Casciotti
   080212: added to OCB database; Cyndy Chandler (cchandler@whoi.edu), OCB DMO
   080529: PI review complete; data are considered final.
 
 DMO Note: use event number to determine sample position and time recorded in
   cruise event log.
   Please refer to the Methodology for detailed parameter descriptions.

Deployment-specific acquisition description

 Methodology: Methodology
 
 Change history: YYMMDD
   080128: contributed by Karen Casciotti
   080212: added to OCB database; Cyndy Chandler (cchandler@whoi.edu), OCB DMO
   080529: PI review complete; data are considered final.
 
 DMO Note: use event number to determine sample position and time recorded in
   cruise event log.
   Please refer to the Methodology for detailed parameter descriptions.

Data Processing Description

Dataset Processing Description

More information about this dataset deployment

Instruments

None available yet

Parameters

Supplied Name	Supplied description	Supplied Units	Standard Name
event	unique sampling event composite of GMT yday and time	YYyday_hhmm	event
cast	CTD cast number	dimensionless	cast
bot	Niskin bottle number	dimensionless	bot
sample_ID	unique isotope sample ID	dimensionless	no_bcodmo_term
press	pressure, from CTD	decibars	press
depth	depth; calculated from pressure	meters	depth
NO3_HOT	nitrate from the HOT database	micromole/kilogram	no_bcodmo_term
PO43_HOT	phosphate from the HOT database	micromole/kilogram	no_bcodmo_term
temp	temperature, from CTD, ITS-90	degrees Celsius	temp
sal	salinity, from CTD, PSS-78 (PSU)	dimensionless	sal
sigma_0	sigma-theta (potential density)	kilograms/meter^3	sigma_0
d15NO3_AIR	delta 15N of nitrate vs. AIR std.	permil	no_bcodmo_term
d15NO3_sd	delta 15N of nitrate (stdev)	permil	no_bcodmo_term
d18NO3_VSMOW	delta 15N of nitrate vs. VSMOW std.	permil	no_bcodmo_term
d18NO3_sd	delta 18O of nitrate (stdev)	permil	no_bcodmo_term
d15N_18O	ratio of isotopic analysis D(15,18)	permil	no_bcodmo_term

Database

Contribute Data

Dataset: d15N_nitrate
Deployment: KM0414

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: d15N_nitrateDeployment: KM0414

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Dataset: d15N_nitrate
Deployment: KM0414