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LDEO pCO2 Database V2011 now available
Written on: 2012-07-24, 14:00
registered since: 24.04.2008
Dear ODV User:
The ODV collection with the latest LDEO pCO2 Database V2011 is now available at http://odv.awi.de/en/data/ocean/ldeo_pco2_data/.
Details about the dataset follow below.
This is the LDEO_Database_V2011 pCO2 dataset for use with ODV
4.4.2 or later.
ODV collection produced by Reiner Schlitzer, Alfred Wegener
A description of the dataset can be found in the attached
Database should be cited as:
Takahashi, T., S.C. Sutherland, and A. Kozyr. 2012. Global Ocean
Surface Water Partial Pressure of CO2 Database: Measurements
Performed During 1957-2011 (Version 2011). ORNL/CDIAC-160,
NDP-088(V2011). Carbon Dioxide Information Analysis Center, Oak
Ridge National Laboratory, U.S. Department of Energy, Oak Ridge,
Tennessee, doi: 10.3334/CDIAC/OTG.NDP088(V2011).
Approximately 6.4 million measurements of surface water pCO2 made
over the global oceans during 1957-2011 have been processed to
make a uniform data file. Measurements made in open oceans as
well as in coastal waters are included. The data assembled
include only those measured using equilibrator-CO2 analyzer
systems, and have been quality-controlled based upon the
stability of the system performance, the reliability of
calibrations for CO2 analysis and the internal consistency of
data. In order to allow re-examination of the data in the future,
a number of measured parameters relevant to pCO2 in seawater are
listed. The overall uncertainty for the pCO2 values listed is
estimated to be ± 2.5 uatm on the average. The names and
institutional affiliations of the contributors are listed in
Table 1. A column is added for reporting the partial pressure of
CO2 in seawater in units of Pascals. The documentations for the
previous versions (V1.0, V2007, V2008, V2009 and V2010) of our
database are available at CDIAC
The global pCO2 data set is available free of charge as a numeric
data package (NDP) from the Carbon Dioxide Information Analysis
Center (CDIAC). The NDP consists of the oceanographic data files
and this printed documentation, which describes the procedures
and methods used to obtain the data.