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Monthly Distribution of Sea-Air pCO2 Differences over the Global Ocean

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Abstract: There are 12 monthly maps showing the distribution of sea-air pCO2
differences over the global oceans. They were obtained using each of
two schemes to correct observations to a reference year of 1990,
named, respectively, dp90 (full correction) and hf90 (half
correction). The first assumes that pCO2 in high latitude surface
waters changed seasonally, but not from year to year, due to
convective ... View entire text
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Description: This website features documentation, data files, data views and data
selection capabilities for the monthly pCO2 data.
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Geographic Coverage
Spatial coordinates   
  N: 90.0   S: -90.0   E: 180.0   W: -180.0

Data Set Citation
Dataset Originator/Creator: Takahashi, T.
Dataset Title: Global air-sea flux of CO2: An estimate based on measurements of sea-air pCO2 difference
Dataset Series Name: Proceedings of the National Academy of Sciences
Dataset Release Date: 1997
Dataset Publisher: National Academy of Sciences
Issue Identification: Volume 94
Online Resource:
Temporal Coverage
Start Date: 1990-01-01
Stop Date: 1990-12-31
Originating Center
Data Center
Lamont-Doherty Earth Observatory, Columbia University Supplemental Info
Data Center URL:

Data Center Personnel
Phone: (845) 365-8537
Fax: (845) 365-2312
Email: taka at
Contact Address:
Lamont-Doherty Earth Observatory
Columbia University
City: Palisades
Province or State: NY
Postal Code: 10964
Country: USA
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Distribution Media: WWW
Email: gsfc-gcmduso at
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Takahashi, T., et al., "Global air-sea flux of CO2: An estimate based on
measurements of sea-air pCO2 difference," Volume 94, Proceedings of
the National Academy of Sciences, USA, pages 8929-8299, August 1997.
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Creation and Review Dates
DIF Creation Date: 2001-04-20
Last DIF Revision Date: 2018-02-05