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Journal for accession number: 0059946
Created on: 2013-06-03
By: Liqing Jiang, National Oceanographic Data Center
Source: These data were downloaded from the Carbon Dioxide Information Analysis
Center (CDIAC): http://cdiac.ornl.gov/ftp/oceans/LDEO_Database/Version_2012/
Version 3.3 - contains updated global ocean surface water partial pressure of carbon
dioxide data (Version 2012). The original data files were transferred to the
directory of data/0-data/. NODC personnel unzipped the compressed file and extracted
the longitude and latitude data, and plotted a ship track map. Both the generated
longitude latitude file and the ship track map are saved in the directory of about/.
Files:
about/
This directory contains files generated by NODC with ancillary information
about the data submission.
0059946_lonlat.txt - Contains sample locations for these data. Each row
contains the geographical position where these data were
collected (longitude in the left column and latitude in the
right column, both in degrees). NODC may have corrected
geographic positions that seemed to be in error when
generating this file. However, NODC did not change the
original data files under the directory data/0-data/.
0059946_map.jpg - Station location map for these data.
data/0-data/
This directory contains the original files that were downloaded from CDIAC.
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Journal for accession number: 0059946
Created on: 2011-06-23
By: Liqing Jiang, National Oceanographic Data Center
Source: These data were downloaded from the Carbon Dioxide Information Analysis
Center (CDIAC): http://cdiac.ornl.gov/oceans/LDEO_Underway_Database/
Version 2.2 - contains global ocean surface water partial pressure of carbon
dioxide (Version 2010). The original data files were transferred to the
directory of data/0-data/. NODC personnel extracted the longitude and latitude
data, and plotted a ship track map. Both the generated longitude latitude file
and the ship track map are saved in the directory of about/.
Files:
about/
This directory contains files generated by NODC with ancillary information
about the data submission.
0059946_lonlat.txt - Contains sample locations for these data. Each row
contains the geographical position where these data were
collected (longitude in the left column and latitude in the
right column, both in degrees). NODC may have corrected
geographic positions that seemed to be in error when
generating this file. However, NODC did not change the
original data files under the directory data/0-data/.
0059946_map.jpg - Station location map for these data.
0-email.txt - Email from Alex Kozyr, CDIAC, approving the archival of this
data set.
data/0-data/
This directory contains the original files that were downloaded from CDIAC.
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Journal for accession number: 0059946
Created on: 2009-12-07 17:35:34 UTC
By: Hernan Garcia,OC5,SSMC3 4230,7133291 x184
Source: Underway PCO2 data received at NODC on December 07, 2009 by Hernan Garcia,
data downloaded from http://cdiac.ornl.gov/ftp/oceans/LDEO_Database/
NODC cannot guarantee that any data made available by the listed web service will
be the same as those contained in this data accession or that the web service will
be available after the date listed above.
Database should be cited as:
Takahashi, T., S.C. Sutherland, and A. Kozyr. 2009. Global Ocean Surface Water
Partial Pressure of CO2 Database: Measurements Performed During 1968-2008 (Version
2008). ORNL/CDIAC-152, NDP-088r. Carbon Dioxide Information Analysis Center, Oak
Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tennessee,
doi: 10.3334/CDIAC/otg.ndp088r.
Approximately 4.5 million measurements of surface water partial pressure of CO2
obtained over the global oceans during 1968-2008 are listed in the Lamont-Doherty
Earth Observatory (LDEO) database, which includes open ocean and coastal water
measurements. The data assembled include only those measured by equilibrator-CO2
analyzer systems and have been quality-controlled based on the stability of the
system performance, the reliability of calibrations for CO2 analysis, and the
internal consistency of data. To allow re-examination of the data in the future,
a number of measured parameters relevant to pCO2 measurements are listed. The
overall uncertainty for the pCO2 values listed is estimated to be +/- 2.5 uatm on
the average.
For simplicity and for ease of reference, this version is referred to as 2008,
meaning that data collected through 31 December 2008 has been included. CDIAC
intends to update this database annually. There are 26 new cruise/ship files in
this update. In addition, some editing has been performed on existing files so
this should be considered a "V2008" file. Also CDIAC has added a column reporting
the partial pressure of CO2 in seawater in units of Pascals.
The data presented in this database include the analyses of partial pressure of
CO2 (pCO2), sea surface temperature (SST), sea surface salinity (SSS), pressure
of the equilibration, and barometric pressure in the outside air from the ship's
observation system.
Found in 0059946/0-data directory
LDEO_Database_Metadata_V2008.xls
LDEO_Database_Metadata_V2008.csv (a conversion of the LDEO_Database_Metadata_V2008.xls
file into comma separated value file)
LDEO_Database_V2008.txt.tar.gz - data in compress format
LDEO_database.jpg - data distributioin plot
NDP-088r.pdf - Complete metadata description