Read a Seabird CTD File
A connection or a character string giving the name of the file to
Optional character string containing an identifying name or number for the station. This can be useful if the routine cannot determine the name automatically, or if another name is preferred.
Optional missing-value flag; data matching this value will
be set to
Boolean, set to
An integer specifying whether debugging information is
to be printed during the processing. This is a general parameter that
is used by many
If provided, the action item to be stored in the log. This is typically only provided for internal calls; the default that it provides is better for normal calls by a user.
additional arguments, passed to called routines.
This function reads files stored in Seabird
Note that these files can contain multiple sensors for a given field. For example,
the file might contain a column named
t090C for one
temperature sensor and
t190C for a second. The first will be denoted
temperature in the
data slot of the return value, and the second
will be denoted
temperature1. This means that the first sensor
will be used in any future processing that accesses
is for convenience of processing, and it does not pose a limitation, because the
data from the second sensor are also available as e.g.
x is the name of the returned value. For the details of the
.cnv names to
ctd names, see
The original data names as stored in
file are stored within the
dataNamesOriginal, and are displayed with
summary alongside the
numerical summary. See the Appendix VI of  for the meanings of these
names (in the "Short Name" column of the table spanning pages 161 through 172).
An object of
ctd-class. The details of the contents
depend on the source file. The
metadata slot is particularly
variable across data formats, because the meta-information provided
in those formats varies widely.
1. The Sea-Bird SBE 19plus profiler is described at http://www.seabird.com/products/spec_sheets/19plusdata.htm. Some more information is given in the Sea-Bird data-processing manaual http://www.seabird.com/document/sbe-data-processing-manual.
2. A SBE data processing manual is at http://www.seabird.com/document/sbe-data-processing-manual.
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