Sensors and Systems for in situ Observations of Marine Carbon Dioxide System Variables

Byrne, R.H., DeGrandpre, M.D., Short, R.T., Martz, T.R., Merlivat, L., McNeil, C., Sayles, F.L., Bell, R. and Fietzek, Peer (2010) Sensors and Systems for in situ Observations of Marine Carbon Dioxide System Variables Proceedings of OceanObs’09: Sustained Ocean Observations and Information for Society. ESA Publication, WPP-306 . OceanObs'09, Venice, Italy, p. 8. DOI 10.5270/OceanObs09.cwp.13.

[img]
Preview
Text
FCXNL-09A02a-1710729-1-cwp2c02.pdf - Accepted Version

Download (997Kb)

Supplementary data:

Abstract

Autonomous chemical sensors are required to document the marine carbon dioxide system's evolving response to anthropogenic CO2 inputs, as well as impacts on short- and long-term carbon cycling. Observations will be required over a wide range of spatial and temporal scales, and measurements will likely need to be maintained for decades. Measurable CO2 system variables currently include total dissolved inorganic carbon (DIC), total alkalinity (AT), CO2 fugacity (fCO2), and pH, with comprehensive characterization requiring measurement of at least two variables. These four parameters are amenable to in situ analysis, but sustained deployment remains a challenge. Available methods encompass a broad range of analytical techniques, including potentiometry, spectrophotometry, conductimetry, and mass spectrometry. Instrument capabilities (precision, accuracy, endurance, reliability, etc.) are diverse and will evolve substantially over the time that the marine CO2 system undergoes dramatic changes. Different suites of measurements/parameters will be appropriate for different sampling platforms and measurement objectives.

Document Type: Book chapter
Additional Information: OceanObs’09: Sustained Ocean Observations and Information for Society, Venice, Italy, 21-25 September 2009
Keywords: carbon dioxide; marine chemistry
Research affiliation: OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-CH Chemical Oceanography
Refereed: Yes
DOI etc.: 10.5270/OceanObs09.cwp.13
Date Deposited: 17 Aug 2010 06:58
Last Modified: 06 Jul 2012 14:52
URI: http://eprints.uni-kiel.de/id/eprint/8792

Actions (login required)

View Item View Item

Document Downloads

More statistics for this item...