http://lod.bco-dmo.org/id/dataset/812052
eng; USA
utf8
dataset
Highest level of data collection, from a common set of sensors or instrumentation, usually within the same research project
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
2020-05-20
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
N2 gas concentration in excess of saturation determined by N2:Ar ratiometry from samples collected in the Bering Sea, Chukchi Sea, and Western Arctic on cruise HLY1702 from August to September 2017
2020-05-20
publication
2020-05-20
revision
Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)
2022-05-05
publication
https://doi.org/10.26008/1912/bco-dmo.812052.1
Mark A. Altabet
University of Massachusetts Dartmouth SMAST
principalInvestigator
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
publisher
Cite this dataset as: Altabet, M. A. (2022) N2 gas concentration in excess of saturation determined by N2:Ar ratiometry from samples collected in the Bering Sea, Chukchi Sea, and Western Arctic on cruise HLY1702 from August to September 2017. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2020-05-20 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.812052.1 [access date]
N2 gas concentration in excess of saturation determined by N2:Ar ratiometry Dataset Description: <p>N2 gas concentration in excess of saturation determined by N2:Ar ratiometry.</p> Methods and Sampling: <p>Sampling at sea was done using a standard SeaBird CTD/Rosette system. Hydrographic data processing used SeaBird software and standard procedures.</p>
<p>N2 excess was determined from N2/Ar ratios measured using procedures described by Charoenpong et al. (2014) with an IsoPrime Isotope Ratio Mass Spectrometer (IRMS) using IonVantage software.</p>
<p>Final data reduction and organization was done using Microsoft Excel.</p>
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1434417 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1434417
completed
Mark A. Altabet
University of Massachusetts Dartmouth SMAST
508-999-8622
706 S. Rodney French Blvd
New Bedford
MA
02067
USA
maltabet@umassd.edu
pointOfContact
asNeeded
Dataset Version: 1
Unknown
Station
Niskin
Lat
Lon
Date
Depth
Temp
Salinity
Sigma_Theta
excess_N2
excess_N2_stdev
SeaBird CTD/Rosette
IsoPrime Isotope Ratio Mass Spectrometer (IRMS)
theme
None, User defined
station
bottle
latitude
longitude
date
depth
water temperature at measurement depth
salinity
sigma-theta potential density
Nitrogen
featureType
BCO-DMO Standard Parameters
CTD Sea-Bird
Isotope-ratio Mass Spectrometer
instrument
BCO-DMO Standard Instruments
HLY1702
service
Deployment Activity
otherRestrictions
otherRestrictions
Access Constraints: none. Use Constraints: Please follow guidelines at: http://www.bco-dmo.org/terms-use Distribution liability: Under no circumstances shall BCO-DMO be liable for any direct, incidental, special, consequential, indirect, or punitive damages that result from the use of, or the inability to use, the materials in this data submission. If you are dissatisfied with any materials in this data submission your sole and exclusive remedy is to discontinue use.
Collaborative Research: GEOTRACES Arctic Ocean section-Constraining Nitrogen Cycling in the western Arctic Ocean.
https://osprey.bco-dmo.org/project/728170
Collaborative Research: GEOTRACES Arctic Ocean section-Constraining Nitrogen Cycling in the western Arctic Ocean.
<p>In this project, a group of investigators from the University of Connecticut, the University of Massachusetts-Dartmouth, and Brown University will participate in the 2015 U.S. GEOTRACES Arctic expedition to determine the biogeochemistry of nitrogen in the region. In common with other multinational initiatives in the International GEOTRACES Program, the goals of the U.S. Arctic expedition are to identify processes and quantify fluxes that control the distributions of key trace elements and isotopes in the ocean, and to establish the sensitivity of these distributions to changing environmental conditions. Some trace elements are essential to life, others are known biological toxins, and still others are important because they can be used as tracers of a variety of physical, chemical, and biological processes in the sea. Nitrogen is one of the two major nutrients required universally by plankton in the ocean, and this study in the Arctic Ocean will increase our understanding of the ocean?s ecology, productivity, and carbon cycle. This study will also provide training for graduate and undergraduate students, and results will be shared through public outreach events.</p>
<p>The state of knowledge of Arctic nitrogen (N) biogeochemistry remains cursory as compared to that in other ocean basins despite the fact that understanding Arctic Ocean nitrogen cycling is central to understanding its global biogeochemistry. For one, benthic nitrogen loss on Arctic continental shelves may represent a globally significant sink of oceanic fixed nitrogen. Second, benthic nitrogen loss on the Arctic continental shelf and slope reduces the ratio of nitrate to phosphate substantially below the mean requirements of phytoplankton nitrogen, consequently limiting primary production at the ice-free surface of the western Arctic Ocean. In light of the rapid changes in Arctic climatology, the characterization of its biogeochemistry and establishment of a baseline from which to monitor future changes is critical. Researchers will use the stable N isotope (15N/14N) ratio in nitrate, nitrite, ammonium, and nitrogen gas determined for a suite of dissolved, particulate, atmospheric, snow, and sea-ice samples to better constrain the spatial and temporal variability of biological nitrogen transformations in the Arctic. Results from this study will provide a first order understanding of the contribution of water masses to the regional nitrogen budget, identify regional nitrogen sources and sinks, and diagnose important biological nitrogen transformations that occur on the Chukchi shelf, and in the central basins.</p>
US GEOTRACES Arctic Nitrogen Flux
largerWorkCitation
project
eng; USA
oceans
-174.574833
-157.152317
62.39
73.56
2017-08-29
2017-09-12
Chukchi shelf and western Arctic Ocean basins
0
BCO-DMO catalogue of parameters from N2 gas concentration in excess of saturation determined by N2:Ar ratiometry from samples collected in the Bering Sea, Chukchi Sea, and Western Arctic on cruise HLY1702 from August to September 2017
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
http://lod.bco-dmo.org/id/dataset-parameter/812219.rdf
Name: Station
Units: unitless
Description: <p>Station number</p>
http://lod.bco-dmo.org/id/dataset-parameter/812220.rdf
Name: Niskin
Units: unitless
Description: <p>Niskin bottle number</p>
http://lod.bco-dmo.org/id/dataset-parameter/812221.rdf
Name: Lat
Units: degrees North
Description: <p>Latitude</p>
http://lod.bco-dmo.org/id/dataset-parameter/812222.rdf
Name: Lon
Units: degrees East
Description: <p>Longitude</p>
http://lod.bco-dmo.org/id/dataset-parameter/812223.rdf
Name: Date
Units: unitless
Description: <p>Date; format: yyyy-mm-dd</p>
http://lod.bco-dmo.org/id/dataset-parameter/812224.rdf
Name: Depth
Units: meters (m)
Description: <p>Depth</p>
http://lod.bco-dmo.org/id/dataset-parameter/812225.rdf
Name: Temp
Units: degrees Celsius
Description: <p>Temperature</p>
http://lod.bco-dmo.org/id/dataset-parameter/812226.rdf
Name: Salinity
Units: unitless
Description: <p>Salinity</p>
http://lod.bco-dmo.org/id/dataset-parameter/812227.rdf
Name: Sigma_Theta
Units: kg/m3 -1000
Description: <p>Sigma theta density</p>
http://lod.bco-dmo.org/id/dataset-parameter/812228.rdf
Name: excess_N2
Units: umol/kg
Description: <p>Excess N2</p>
http://lod.bco-dmo.org/id/dataset-parameter/812229.rdf
Name: excess_N2_stdev
Units: umol/kg
Description: <p>Standard deviation of replicate measurements</p>
GB/NERC/BODC > British Oceanographic Data Centre, Natural Environment Research Council, United Kingdom
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
16837
https://darchive.mblwhoilibrary.org/bitstream/1912/28659/1/dataset-812052_n2-gas-excess__v1.tsv
download
https://doi.org/10.26008/1912/bco-dmo.812052.1
download
onLine
dataset
<p>Sampling at sea was done using a standard SeaBird CTD/Rosette system. Hydrographic data processing used SeaBird software and standard procedures.</p>
<p>N2 excess was determined from N2/Ar ratios measured using procedures described by Charoenpong et al. (2014) with an IsoPrime Isotope Ratio Mass Spectrometer (IRMS) using IonVantage software.</p>
<p>Final data reduction and organization was done using Microsoft Excel.</p>
Specified by the Principal Investigator(s)
<p>BCO-DMO Processing:<br />
- renamed fields;<br />
- changed date format to yyyy-mm-dd from mm/dd/yy;<br />
- changed #N/A to nd ("no data").</p>
Specified by the Principal Investigator(s)
asNeeded
7.x-1.1
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
SeaBird CTD/Rosette
SeaBird CTD/Rosette
PI Supplied Instrument Name: SeaBird CTD/Rosette Instrument Name: CTD Sea-Bird Instrument Short Name:CTD Sea-Bird Instrument Description: A Conductivity, Temperature, Depth (CTD) sensor package from SeaBird Electronics. This instrument designation is used when specific make and model are not known or when a more specific term is not available in the BCO-DMO vocabulary. Refer to the dataset-specific metadata for more information about the specific CTD used. More information from: http://www.seabird.com/ Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/130/
IsoPrime Isotope Ratio Mass Spectrometer (IRMS)
IsoPrime Isotope Ratio Mass Spectrometer (IRMS)
PI Supplied Instrument Name: IsoPrime Isotope Ratio Mass Spectrometer (IRMS) Instrument Name: Isotope-ratio Mass Spectrometer Instrument Short Name:IR Mass Spec; IRMS Instrument Description: The Isotope-ratio Mass Spectrometer is a particular type of mass spectrometer used to measure the relative abundance of isotopes in a given sample (e.g. VG Prism II Isotope Ratio Mass-Spectrometer). Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/LAB16/
Cruise: HLY1702
HLY1702
USCGC Healy
Community Standard Description
International Council for the Exploration of the Sea
USCGC Healy
vessel
HLY1702
Robert S. Pickart
Woods Hole Oceanographic Institution
USCGC Healy
Community Standard Description
International Council for the Exploration of the Sea
USCGC Healy
vessel