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Recommendations for autonomous underway pCO2 measuring systems and data-reduction routines
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Pierrot, D. (author)
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Neill, C. (author)
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Sullivan, K. (author)
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Castle, R. (author)
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Wanninkhof, R (author)
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Lüger, H. (author)
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Johannessen, T. (author)
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- Olsen, Are, 1972 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi,Department of Chemistry
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Feely, R. A. (author)
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Cosca, C. E. (author)
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(creator_code:org_t)
- Elsevier BV, 2009
- 2009
- English.
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In: Deep-Sea Research II. - : Elsevier BV. - 0967-0645. ; 56:8-10, s. 512-522
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
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- In order to facilitate the collection of high quality and uniform surface water pCO2 data, an underway pCO2 instrument has been designed based on community input and is now commercially available. Along with instrumentation, agreements were reached on data reduction and quality control that can be easily applied to data from these systems by using custom-made freeware. This new automated underway pCO2 measuring system is designed to be accurate to within 0.1 μatm for atmospheric pCO2 measurements and to within 2 μatm for seawater pCO2, targeted by the scientific community to constrain the regional air–sea CO2 fluxes to 0.2 Pg C year−1. The procedure to properly reduce the underway pCO2 data and perform the steps necessary for calculation of the fugacity of CO2 from the measurements is described. This system is now widely used by the scientific community on many different types of ships. Combined with the recommended data-reduction procedures, it will facilitate producing data sets that will significantly decrease the uncertainty currently present in estimates of air–sea CO2 fluxes.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Pierrot, D.
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Neill, C.
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Sullivan, K.
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Castle, R.
-
Wanninkhof, R
-
Lüger, H.
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show more...
-
Johannessen, T.
-
Olsen, Are, 1972
-
Feely, R. A.
-
Cosca, C. E.
-
show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
- Articles in the publication
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Deep-Sea Researc ...
- By the university
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University of Gothenburg