Dataset: O exchange ratio

Name: O exchange with water during denitrification with the denitrifier method (Biological Nitrogen Isotope Fractionation project)
Published: 2021-12-01
Keywords: oceans

Cite This Dataset

DOI:10.26008/1912/bco-dmo.865666.1

Temporal Extent: 2020-06-16 - 2020-08-19

Project:

CAREER: The biological nitrogen isotope systematics of ammonium consumption and production (Biological Nitrogen Isotope Fractionation)

Principal Investigator:

Julie Granger (University of Connecticut, UConn)

Student:

Mengyang Zhou (University of Connecticut, UConn)

Contact:

Mengyang Zhou (University of Connecticut, UConn)

Analyst:

Bonnie X. Chang (University of Washington, UW)

BCO-DMO Data Manager:

Sawyer Newman (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Version:

Version Date:

2021-12-01

Restricted:

Validated:

Yes

Current State:

Final no updates expected

O exchange with water during denitrification with the denitrifier method (Biological Nitrogen Isotope Fractionation project)

Abstract:

Effects of sample volume and salinity on O atom exchange with water during denitrification with the denitrifier method. The percentages of O atom exchange were derived from the regression slopes of ẟ18ON2O vs. ẟ18OH2O.

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Archival Copy

Version Date	Archive	Persistent Identifier (PID)	Date PID Issued
2021-12-01	Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)	10.26008/1912/bco-dmo.865666.1	2022-01-14

Methods & Sampling

Sampling and analytical procedures:

 Effects of sample volume and salinity on O atom exchange with water

Using the lab experiment data in the dataset “18O-labeled water”, the percentage of O atom exchange with water during denitrification was derived from the regression slopes of ẟ¹⁸O_N2O vs. ẟ¹⁸O_H2O.

Data Processing Description

Processing notes from researcher:

Data were processed using Microsoft Excel

BCO-DMO processing notes

Date formats were changed from mm/dd/yy to yyyy-mm-dd
Spaces and units removed from column headers

Data Files

File
zhou_et_al_lab_data-7.csv (Comma Separated Values (.csv), 2.26 KB) MD5:8ae8728bbd1dad40da7f60ce08a71f67 Primary data file for dataset ID 865666

More Information about this dataset

Funding Sources

Funding Source	Award Number
NSF Division of Ocean Sciences	OCE-1554474

Deployments

None available yet

Instruments

None available yet

Parameters

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

Supplied Name	Supplied description	Supplied Units	Standard Name
Strain	The denitrifying bacteria strains used in the laboratory experiment: P. aureofaciens	unitless	species
Date	Date of the experiments; yyyy-mm-dd Format: %Y-%m-%d	unitless	date
Trial	Trial name	unitless	replicate
Solution	Nitrate reference materials IAEA-NO3 and USGS-34	unitless	NO3
Salinity_in_vial	Nitrate reference materials (IAEA-NO3 and USGS-34) were diluted with a mixture of DIW and nitrate-deplete surface Sargasso seawater to difference salinity	ppt	sal_diff
Concentration	Concentrations of nitrate reference solutions	µmol L-1	NO3
Sample_volume	Sample volume injected to aliquot 10 nmol of nitrate	mL	volume
O_exchange_ratio_x	The fraction of O atoms in the N2O product originated from water, x, was estimated from the slope of the observed delta 18ON2O vs. the corresponding delta 18OH2O	%	O
stdev_of_x	Propagated standard deviation of x for each trial	unitless	no_bcodmo_term

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Dataset: O exchange ratio