ITP61 Data Description

The ITP profiler was configured to operate on a fast sampling schedule of 4 one-way profiles between 7 and 750 m depth each day.  In the surface package, the GPS receiver was powered hourly to obtain locations hourly, and buoy temperature and battery voltage status were recorded.

The buoy drifted with the Transpolar Drift over the Lomonsov Ridge for the first 50 days, then proceeded southward between 10°W and 5°E meridians carried by the East Greenland Current through the Fram Strait. On November 22, 2013 the mooring dragged on the shelf and the profiler ceased profiling.  Two days later communications with the underwater unit ended, likely due to parting of the tether.  The surface package continued to transmit location for another 2.5 years, drifting through the Denmark Strait and meandering cyclonically southwest off of the southeast coast of Greenland until its last broadcasts in August 2016.

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 61 data can also be found at the links below:

Level II hourly buoy location data in ASCII format: itp61rawlocs.dat

Level III 1-Hz processed profile data in MATLAB format: itp61cormat.tar.Z and itp61cormat.zip

Level III 1-db bin-averaged processed profile data in MATLAB format: itp61final.mat
Level III 1-db bin-averaged processed profile data in ASCII format: itp61final.tar.Z and itp61final.zip