Description:

Sea ice thickness profiles were measured with surface-based electromagnetic induction, a standard geophysical method. This method returns the depth to the electrical conductivity horizon between the lower-conductivity sea ice and higher-conductivity sea water. We used a Geonics EM31 device in the so-called horizontal dipole configuration. Transects were made by towing the EM31 in a sled or kayak with periodic measurements of snow thickness and GPS location. Most transects also include DGPS-derived surface elevation measurements. Ice thickness was derived from the EM31 measurements using a calibration from apparent conductivity to ice thickness determined locally in Barrow (Mahoney et al. 2007). See the metadata files below for more information. Data Citation: Druckenmiller, M., H. Eicken, M. Kaufman, A. Mahoney. (Sept 25, 2008, Updated 2012). Ground-based sea ice thickness profiles (SIZONET). UCAR/NCAR – CISL – ACADIS. http://dx.doi.org/10.5065/D67P8W9T

Short Name:

ground-based_sea_ice_thickness_profiles

Data Center Contact(s):

Don Stott, stott@ucar.edu

Metadata Contact(s):

Mette Kaufman, mrkaufman@alaska.edu

Discipline:

Ocean and Sea Ice

GCMD Science Keyword:

Oceans > Sea Ice > Ice Depth/Thickness

ISO Topic:

oceans

Data Format(s):

Microsoft Excel spreadsheet

Related URLs:

http://seaice.alaska.edu/gi/

Time Frequency(ies):

Monthly to Annual

Location(s):

Arctic Ocean > Chukchi Sea

Resolution(s):

1 Meter to 30 Meters

Data Type(s):

Transect

Progress:

Completed - Dataset fully collected/analyzed.

Northernmost Latitude:

71.333 degrees

Southernmost Latitude:

71.4 degrees

Westernmost Longitude:

-156.2 degrees

Easternmost Longitude:

-156.8 degrees

Time Coverage:

Start - Nov 3, 2004    End - May 13, 2009

Language:

English

Platform(s):

Field Survey

Instrument(s):

Other

Use and Access Restrictions:

Unrestricted access No user constraints