CryoSat-2 Level-4 Sea Ice Elevation, Freeboard, and Thickness, Version 1 (RDEFT4)
Data set:
RDEFT4
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This is the most recent version of these data.
Version Summary
Initial release

Overview

This data set contains estimates of Arctic sea ice thickness and concentration, ice freeboard and surface roughness, as well as snow density and depth, derived from the ESA CryoSat-2 Synthetic Aperture Interferometric Radar Altimeter (SIRAL). The data are provided daily on a 25 km grid as 30-day averages for the months between September and May.
Data Contributor(s):
  • Nathan
    Kurtz
  • Jeremy
    Harbeck
Parameter(s):
FREEBOARD ICE DEPTH/THICKNESS ICE ROUGHNESS SEA ICE CONCENTRATION SNOW DENSITY SNOW DEPTH
Platform(s):
CRYOSAT-2, DMSP 5D-3/F17
Sensor(s):
SIRAL, SSMIS
Data Format(s):
PNG, NetCDF
Temporal Coverage:
20 September 2010 to present
Temporal Resolution:
30 day
Spatial Resolution:
25 km
25 km
Spatial Coverage:
N:
90
S:
55
E:
180
W:
-180

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How To

Many NSIDC DAAC data sets can be accessed using the NSIDC DAAC's Data Access Tool. This tool provides the ability to search and filter data with spatial and temporal constraints using a map-based interface.
All data from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) can be accessed directly from our HTTPS file system, using wget or curl. Basic command line instructions are provided in the article below.