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ITP 4 Data Processing

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ITP surface buoy status

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ITP profiler engineering data

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Top: number of bad points removed, Middle: variance of vertical difference of temperature and salinity in step region for up-going profiles, Bottom: temperature lag.

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Top: conductivity lag, Middle: conductivity thermal mass amplitude correction, Bottom: conductivity thermal mass lag correction.

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Top: down pressure deviation correction, Middle: salinity ratio adjustment, Bottom: Number of filtered spikes.

The 698 profiles that were downloaded from the ITP were processed according to the procedures described in the ITP Data Processing Procedures.  The processing parameters (described in ITP Data Processing Procedures) for ITP4 are shown in the figures to the right.  The quality of the profile time series is exceedingly good.   No temperature or conductivity spikes needed removing for being obviously corrupted, although some slight conductivity calibration shifts were aligned.  There were no instrument resets, and only profiles 4, 77 and 78 were largely incomplete.  The lag coefficients were also uniform throughout the entire year.

See the Data Products tab to the left for descriptions of the three levels (I, II, III) of data processing and to access all data.

Last updated: September 21, 2017

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