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ITP 2 Data Description

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Plot of buoy locations.


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ITP 2 Temperature and Salinity contours.


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Composite plot of ITP profiles.


The ITP profiler was configured to operate with an accelerated sampling schedule of 6 one-way profiles between 10 and 750 m depth each day in order to more quickly evaluate endurance and component fatigue.   In the surface package, the GPS receiver was powered every two hours to obtain locations, and buoy temperature and battery voltage status were recorded.  After 40 days of reliable operation and data telemetry, data from this first prototype ITP stopped being received; one possible explanation for its premature demise is that the supporting ice floe fractured and the system sank.  (By design, the surface package buoyancy of this first unit was not adequate to float the tether and ballast weight; subsequent systems are equipped with sufficient buoyancy.)


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 2 data can also be found at the links below:

Level II bi-hourly buoy location data in ASCII format: itp2rawlocs.dat 

Level III 1-Hz
processed profile data in MATLAB format: itp2cormat.tar.Z and itp2cormat.zip 

Level III
1-db bin-averaged processed profile data in MATLAB format: itp2final.mat
 
Level III
1-db bin-averaged processed profile data in
ASCII format: itp2final.tar.Z and itp2final.zip



Last updated: August 26, 2014
 


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