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Journal for accession number:  0156208
Created on:                    2016-08-02 00:32:03 UTC
By:                            Automated Ingest Agent

Source: These data were submitted for archive to NCEI from NESDIS, NOAA, as
part of the oceanographic products from Satellite Ocean Heat Content Suite
(SOHCS).

Actions: Data were uploaded by NESDIS to the Data Distribution System (DDS);
NCEI downloaded the data from the DDS. An archival information package (NCEI
Accession) was generated and the netCDF, ASCII and GIF files were copied to
the data/0-data/ directory. A sample browse graphic for the data is created
from the images provided by the producer and is copied to the about/
directory.

Files:
about/
This directory contains files created by NCEI staff, email correspondence,
and other 'negotiable' information between NCEI staff and the data provider.

0156208_preview.png -
  Sample of data showing the location maps and results of depth of the 26
  degree Celsius isotherm in Northern Atlantic (top), Northern Pacific
  (middle) and South Pacific (bottom) basins for 2015-11-03.

data/0-data/
This directory contains the data files as submitted to NCEI.

The ASCII and netCDF daily output file names have the following formats:
ohc_bsQG3_yyyy_ddd.dat - ASCII
ohc_bsQG3_yyyy_ddd.nc - netCDF-4
Where "bs" is the basin identifier:
  na = Northern Atlantic
  np = Northern Pacific
  ni = Northern Indian
  sp = Southern Pacific
  si = Southern Indian
As of November 4, 2015, only the Northern Atlantic, Northern Pacific and
Southern Pacific are being produced.

QG3 means:
  Q = Quarter degree resolution;
  G = Geo-polar blended SST;
  3 = optimal number of altimetry satellites that go into the surface height
      anomaly objective analysis (SHA) product.

"yyyy" is 4-digit year and "ddd" is the Julian Day.

For the ASCII data files, the format consists of 9 columns: latitude
(°North), longitude (°East), sea surface height anomaly (centimeters) and
its mapping error (count), sea surface temperature (°Celsius), depth of the
20° Celsius isotherm (meter), depth of the 26° Celsius isotherm (meter),
mixed layer depth (meter), and ocean heat content (kJ cm²). The grid spacing
of the data in both latitude and longitude is 0.25°, creating 401 cells in
the x direction and 241 cells in the y direction for a total number of cells
at 96641.

The netCDF-4 file is a self-describing data format that includes the
location information and the 7 variables. Land and missing data are noted by
-999.99.

GIF image files are also created each day with the following naming
conventions similar to the data files:
ohc_bsQG3_yyyy_ddd.gif - ocean heat content
sst_bsQG3_yyyy_ddd.gif - sea surface temperature (SST)
h20_bsQG3_yyyy_ddd.gif - 20 degree isotherm
h26_bsQG3_yyyy_ddd.gif - 26 degree isotherm
mld_bsQG3_yyyy_ddd.gif - Mixed Layer Depth
sha_bsQG3_yyyy_ddd.gif - sea surface height anomaly. This naming convention
applies to data files downloaded by NCEI from NESDIS Data Distribution
System (DDS) since July 15, 2014.
shaoa_bsQG3_yyyy_ddd.gif - sea surface height anomaly. This naming
convention applies to data files obtained from University of Miami/RSMAS
from August 27, 2012, to July 15, 2014.
error_bsQG3_yyyy_ddd.gif - mapping error of sea surface height anomaly. This
type of image is only contained in the data files obtained from University
of Miami/RSMAS from August 27, 2012, to July 15, 2014.