O2/Ar of surface water measured using an equilibrator inlet mass spectrometer
Entry ID: KPDC_OSWMUEIMS_2012

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Summary
Abstract: O2/Ar in seawater, pumped from the intake at 7 m below sea level, was measured using an equilibrator inlet mass spectrometer. The mass spectrometer measured a series of dissolved gases including O2 and Ar every 10 seconds. The data record ion currents of those gases and total pressure in the mass spectrometer.

Purpose: Net community production (NCP), defined as the difference between autotrophic photosynthesis and (autrophic and heterotrophic) respiration, produces O2 proportional to the amount of net carbon. By measuring chemically and biologically inert Ar together with O2, it is possible to remove O2 variation by physical processes (e.g., air temperature and pressure change and mixing of water masses) and deduce O2 variation by biological processes. To determine the net community (oxygen) production underway, we measured continuous O2/ Ar measurement system using an equilibrator inlet mass spectrometer.
Geographic Coverage
Spatial coordinates   
  N: -70.0   S: -75.0   E: -100.0   W: -122.0

Temporal Coverage
Start Date: 2012-01-31
Stop Date: 2012-03-19
ISO Topic Category
Platform
R/V ARAON
Originating Center
Data Center
Korea Polar Research Institute, Republic of Korea Supplemental Info
Data Center URL: http://www.kopri.re.kr/

Data Center Personnel
Name: MIN CHOUL LEE
Phone: +82-32-260-6081
Fax: +82-32-260-6088
Email: leemc at kopri.re.kr
Contact Address:
Songdo Techno Park, 7-50, Songdo-dong, Yeonsu-gu
City: Incheon
Postal Code: 406-840
Country: Korea


Data Center Personnel
Name: JAE LIM KIM
Phone: +82-260-6083
Fax: +82-260-6088
Email: kabuli at kopri.re.kr
Contact Address:
Songdo Techno Park, 7-50, Songdo-dong, Yeonsu-gu
City: Incheon
Postal Code: 406-840
Country: Korea
Personnel
Role: DIF AUTHOR
Role: TECHNICAL CONTACT
Phone: +82-260-6273
Email: hahm at kopri.re.kr
Contact Address:
Songdo Techno Park, 7-50, Songdo-dong, Yeonsu-gu
City: Incheon
Postal Code: 406-840
Country: Korea
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2012-11-08
Last DIF Revision Date: 2012-11-14
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