Metadata from CMDAC Accession 2562

Experiment name:        SCM6 (ADOX)
Principal Investigator: R.Dickson
PI's affiliation:       CEFAS
Mooring Name:           9311
Mooring position:       47.755 deg S,   58.047 deg E
Instrument depth:       3668 meters
Seafloor depth:         4230 meters
Times:                  starts 06 Mar 1993, ends 02 Dec 1993
Time increment:         60 minutes
Instrument type:        Aanderaa RCM5


  parameter         min     mean      max       sd     days

speed (cm/sec)      1.49     6.53    25.95     4.23    270.9
dir (deg true)      0.00   205.98   359.77    85.67    270.9
u (cm/sec)        -19.64    -2.38    18.19     5.08    270.9
v (cm/sec)        -25.25    -2.09    10.74     4.97    270.9
temp (deg C)        0.40     0.52     0.63     0.04    270.9


CEFAS has noted some problems with this current record:

   This series ends 109 days prior to recovery because of a
   poor quality tape translation. Initially data quality is
   good but deteriorates during mid October when pulse length
   errors become frequent. Shortly after this spurious values
   appear in the speed and thermistor channels, and although
   an attempt has been made to smooth these the data for
   November and December should be used with caution. 

   There is also some question as to the validity of the
   speed values, with 20% of these being at the meter threshold.
   Is the rotor not turning freely? A feature of the series is
   that recorded directions are changing even when the speeds
   are at or below threshold for lengthy periods. 

   Note the similarity between the low-passed series from this
   meter and that from the meter situated 816 m above it.

Parenthetically, CMDAC believes the reader should be aware
that although CEFAS has been extremely careful to warn the
user of possible problems with the ADOX data, in fact it is
a good dataset. Most of the WOCE current meter data that we
have received (from other labs) has come without such warnings,
even when it is obvious that some of the records are of poor
quality. 

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