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SHEBA Ocean Turbulence Mast Data Archive



This data set includes a time series of temperature, conductivity, salinity, three-dimensional velocity, pressure, and magnetic heading at multiple levels in the boundary layer under the drifting ice floe. As part of the Surface Heat Budget of the Arctic Ocean (SHEBA) project, data were collected continuously for the approximately year-long experiment. However, the experiment was divided roughly in half when a severe deformation event occurred in March 1998. After this event, the ocean camp was shifted to a new site farther into the SHEBA floe.

In the first half of the experiment (October 1997 through March 1998), there were four turbulence instrument clusters (TIC) that included three mechanical rotor current meters, which sensed the mean flow velocity. These were oriented approximately at 4 m, 8 m, 12 m, and 16 m below the ice-ocean interface in the western Arctic Ocean. For the second half of the experiment (April through September 1998), only two TICs were deployed on the mast. The clusters measured mean quantities, turbulent momentum, and heat fluxes with reasonable approximations to salinity flux.

Data were originally distributed on a DVD but are now available as a single .tar.gz file that contains the contents of the DVD. The file is about 1GB in size.

Data access

Additional information

  • 1.0 (2011-05-17)
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Related projects
Spatial Type point
Language English
Grant Code 0084275, 0084269
ISO Topic Categories
  • climatologyMeteorologyAtmosphere
GCMD Science Keywords Expand keywords
Related links

Temporal coverage

Begin datetime 1997-10-09 00:00:00
End datetime 1998-09-27 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 81.00, Minimum (South) Latitude: 74.00
Minimum (West) Longitude: -170.00, Maximum (East) Longitude: -140.00

Primary point of contact information

Miles McPhee <>

Additional contact information


McPhee, M., McPhee, M. 2011. SHEBA Ocean Turbulence Mast Data Archive. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 20 Jul 2024.

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Ancillary information

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