Data Set ID:

On-Ice Arctic Sea Ice Thickness Measurements by Auger, Core, and Electromagnetic Induction, from the Late 1800s Onward, Version 2

This data set consists of on-ice sea ice thickness measurements derived from drill holes, gauges, thermistor strings, and surface electromagnetic induction. From journal articles, reports, on-line databases, and direct contact with sea ice investigators, measurements have been assembled from many types of expeditions with the earliest data extending back to 1879 and the most recent data going to 2016. The on-ice thickness archive currently holds data from 50 expeditions.

This is the most recent version of these data.

Version Summary:

Six new data campaigns added, five previous campaigns updated, and an aggregated data file with all measurements combined in one added.

STANDARD Level of Service

Data: Data integrity and usability verified

Documentation: Key metadata and user guide available

User Support: Assistance with data access and usage; guidance on use of data in tools

See All Level of Service Details

  • SEA ICE > FREEBOARD > Freeboard
  • SEA ICE > ICE TYPES > Ice Types
  • SEA ICE > SNOW DEPTH > Snow Depth
Data Format(s):
  • Microsoft Excel
  • Comma-Separated Values (.csv)
Spatial Coverage:
N: 90, 
S: 64, 
E: 180, 
W: -180
Spatial Resolution:
  • Varies
Temporal Coverage:
  • 4 September 1879 to 29 September 2016
Temporal ResolutionVariesMetadata XML:View Metadata Record
Data Contributor(s):Benjamin Holt

Geographic Coverage

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FTP data can be downloaded through a Web browser or command line via FTP. For help downloading data through an FTP client, go to the How to access data using an FTP client support page.

As a condition of using these data, you must cite the use of this data set using the following citation. For more information, see our Use and Copyright Web page.

Holt, B. 2019. On-Ice Arctic Sea Ice Thickness Measurements by Auger, Core, and Electromagnetic Induction, from the Late 1800s Onward, Version 2. [Indicate subset used]. Boulder, Colorado USA. NSIDC: National Snow and Ice Data Center. doi: [Date Accessed].

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