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ITP43 Data Description

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Plot of buoy locations.


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ITP 43 Temperature and Salinity contours.


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Composite plot of ITP temperature and salinity profiles.


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ITP43 dissolved oxygen contours.


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Composite plot of dissolved oxygen profiles.


Data Description

The ITP profiler was configured to operate with a standard sampling schedule of 2 one-way profiles between 7 and 750 m depth each day.  In the surface package, the GPS receiver was powered hourly to obtain locations, and buoy temperature and battery voltage status were recorded. 

ITP 43 drifted generally southwest through the Beaufort Gyre region over the short 4 month lifetime of the system.  At least one warm core and several cold core halocline eddies were encountered.  Suddenly, with no indication of any technical problems, the surface package ceased transmitting via Iridium.  Meanwhile, the O-buoy continued to operate until July 2011, the IMB until August 2011 and the AOFB until August 2012.  It is unclear whether the ITP suffered a catastrophic hardware failure, or was crushed by the ice.     

The plots to the right are of the final, calibrated, edited data (as opposed to the raw data presented on the active instrument pages).

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.

ITP 43 data can also be found at the links below:

Level II hourly buoy location data in ASCII format: itp43rawlocs.dat

Level III 1-Hz processed profile data in MATLAB format: itp43cormat.tar.Z and itp43cormat.zip

Level III 1-db bin-averaged processed profile data in MATLAB format: itp43final.mat
Level III 1-db bin-averaged processed profile data in ASCII format: itp43final.tar.Z and itp43final.zip



Last updated: September 23, 2020
 


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