NDP-067 (1999)

Download of NDP-067

The International Intercomparison Exercise of Underway fCO₂ Systems During the R/V Meteor Cruise 36/1 in the North Atlantic Ocean.

Contributed by
Arne Koertzinger, Ludger Mintrop, and Jan C. Duinker
Institut für Meereskunde
Kiel, Germany

Other Data Contributors
Kenneth M. Johnson, Craig Neill, Douglas W.R. Wallace,
Bronte Tilbrook, Philip Towler, Hisayuki Inoue, Masao Ishii,
Gary Shaffer, Rodrigo Torres, Eiji Ohtaki, Eiji Yamashita,
Alain Poisson, Christian Brunet, Bernard Schauer,
Catherine Goyet, and Greg Eischeid

Prepared by
Alexander Kozyr
Carbon Dioxide Information Analysis Center
Oak Ridge National Laboratory
Oak Ridge, Tennessee, U.S.A.

Environmental Sciences Division
Publication No. 4844
Date Published: March 1999

Abbreviations
Acknowledgments

ABSTRACT

Contents

PART 1: OVERVIEW

• Scientific Background of the Exercise
• The Principal Design of the Exercise
• Description of the Expedition
  • R/V Meteor, Technical Details and History
  • R/V Meteor Cruise 36/1 Information
  • Brief Cruise Summary
• Technical Aspects of the Exercise
  • The Underway Pumping System
  • The Laboratory Setup
  • Other Infrastructure of the Exercise
• Methods and Procedures
  • Principle of Measurement of the Fugacity of CO₂
  • Participating Underway fCO₂ Systems
  • Participating Discrete fCO₂ System
  • Checks and Calculation Routines
    • Check of CO₂ Calibration Performance
    • Check of Equilibrator Temperature Sensors
    • Calculation of fCO₂ Results
    • Synchronization of Surface Measurements
• Results
  • Surface Temperature and Salinity
  • Comparison of Atmospheric xCO₂ Data
  • Comparison of Surface fCO₂ Data
    • Underway Profiles
    • Discussion of Profiles
    • Overview
• Conclusions
• Data Checks and Processing Performed by CDIAC
• How to Obtain the Data and Documentation
• References

PART 2: CONTENT AND FORMAT OF DATA FILES

• File Descriptions
  • ndp067.txt (File 1)
  • fco2wat.for (File 2)
  • xco2air.for (File 3)
  • *w.txt (Files 4-12)
  • xco2air.txt (File 13)

APPENDIX A

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akozyr 03/03/1999, modified 10/14/2003