On 16 April 2025, the “Order Files” option of NSIDC DAAC’s Data Access Tool was retired and replaced with Earthdata Download. Earthdata Download is a native desktop application that enables efficient direct download for orders of any size. To use this new download option, you must install the new version release of Earthdata Download (v1.0.4) available here: https://nasa.github.io/earthdata-download/.
Additionally, the “Order History” page (https://nsidc.org/order-history) will also be removed two weeks after this update, on 30 April 2025.

Data Access Tool

Use the selectors below to search and filter by time range and/or geographic area

For tips on how to use this tool, read our help article.

Selected Data Set Information

Note: To select a different data set, close this window (or tab) and navigate to the data set landing page you want.

Data Set:

CryoSat-2 Level-1B Waveforms, Sea Ice Elevation, and Surface Roughness, Version 1

Data Set ID:

RDWES1B

Data Set Summary:

This data set contains surface elevations from retracked CryoSat-2 waveforms, as well as model fitting parameters used to retrack the waveform. The primary data set used in the production of these data come from the ESA CryoSat-2 satellite.