NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC)

NASA IceBridge CMG 1A Dynamic Gravity Meter Time-Tagged Level-1B Vertical Accelerations replacement data are now available at NSIDC. For information on the replacement data, refer to the IceBridge collection. To access the data and documentation, see the CMG 1A Vertical Accelerations data catalog page.

NASA IceBridge Sea Ice Freeboard, Snow Depth, and Thickness Quick Look evaluation product data for Arctic 2014 are now available from NSIDC. To access the data, see the IceBridge Sea Ice Freeboard, Snow Depth, and Thickness Quick Look summary.

NSIDC would like to announce a change to data access for the Near-Real-Time SSM/I-SSMIS EASE-Grid Daily Global Ice Concentration and Snow Extent, Version 4 (NISE) data set. Data access through our primary portal will remain the same at ftp://n5eil01u.ecs.nsidc.org/SAN/OTHR/NISE.004. We will be removing the secondary access point at ftp://nise@sidads.colroado.edu beginning 31 May 2014. We expect that this will only affect a small number of data users.

The NASA IceBridge Merged Photon Counting Lidar/Profiler L4 Surface Slope and Elevations data set is now available from NSIDC. For documentation, and to access the data, see the IceBridge Lidar/Profiler L4 Surface Slope and Elevations data catalog page.

The NASA IceBridge ATM L4 Surface Elevation Rate of Change data set is now available from NSIDC. For documentation, and to access the data, see the IceBridge ATM L4 Surface Elevation Rate of Change landing page. Data Set DOI: https://doi.org/10.5067/BCW6CI3TXOCY

NASA IceBridge KT19 IR Surface Temperature data for 2013 Arctic are now available from NSIDC. For documentation, and to access the data, see the IceBridge KT19 IR Surface Temperature data catalog page.

The NASA IceBridge Sea Ice Freeboard, Snow Depth, and Thickness data product now includes 2009 and 2010 Antarctica data. For documentation, and to access the data, see the IceBridge Sea Ice Freeboard, Snow Depth, and Thickness catalog page.

NASA IceBridge POS/AV L1B Corrected Position and Attitude Data for 2013 Antarctica are now available from NSIDC. For documentation, and to access the data, see the IceBridge POS/AV L1B Corrected Position and Attitude Data catalog page.

The Arctic Sea Ice Freeboard and Thickness data set has been updated to add Lasers 1, 2A, 2B, 2C, 3A, 3B, 3C, 3J, and 3K. The update also includes GeoTIFF grids.

For documentation, and to access the data, see the Arctic Sea Ice Freeboard and Thickness catalog page.

NSIDC is pleased to announce that the "Snow Melt Onset Over Arctic Sea Ice from SMMR and SSM/I-SSMIS Brightness Temperatures" data set has been updated to Version 3. Version 3 updates the record through the 2012 melt season utilizing brightness temperatures from the SSMIS instrument aboard the DMSP F17 satellite.

Other processing changes are included in the Version 3 release which improve upon the Version 2 data. For a full description of these changes see the Version History.

NASA IceBridge CAMBOT L1B Geolocated Images for 2013 Arctic are now available from NSIDC. For documentation, and to access the data, see the IceBridge CAMBOT L1B Geolocated Images catalog page.

NASA IceBridge DMS L0 Raw Imagery for 2013 Antarctica are now available from NSIDC. For documentation, and to access the data, see the IceBridge DMS L0 Raw Imagery catalog page.

The NSIDC DAAC is pleased to announce that the Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data Set has been updated to include data through 30 September 2013.

NASA IceBridge MCoRDS L2 Ice Thickness data for 2013 Arctic are now available from NSIDC. For documentation, and to access the data, see the IceBridge MCoRDS L2 Ice Thickness data catalog page.

NASA IceBridge LVIS Level-0 Raw Ranges data for 2013 Arctic are now available from NSIDC. For documentation, and to access the data, see the IceBridge LVIS L0 data catalog page.

NSIDC is pleased to announce that the DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures data set has been updated to include data through 31 December 2013.

The NSIDC DAAC is pleased to announce that the DMSP SSM/I-SSMIS Pathfinder Daily EASE-Grid Brightness Temperatures data set has been updated to include data through 31 December 2013.

Beginning 10 Feb. 2014, Version 2 AMSR-E/Aqua L2A Global Swath Spatially-Resampled Brightness Temperatures will no longer be available from NSIDC.

Version 3 of the AMSR-E/Aqua L2A Global Swath Spatially-Resampled Brightness Temperatures data set, which uses the most up-to-date algorithm, will remain available.

NASA IceBridge ATM L2 Icessn Elevation, Slope, and Roughness data for 2013 Arctic are now available from NSIDC. For documentation, and to access the data, see the IceBridge ATM L2 data catalog page.

Notice to Users of AMSR-E, ICESat/GLAS, IceBridge, MODIS and NISE Data.

The FTP location for accessing AMSR-E, ICESat/GLAS, IceBridge, MODIS, and NISE data changed in October from n4ftl01u.ecs.nasa.gov to n5eil01u.ecs.nsidc.org. Redirects that were previously put in place for users connecting to n4ftl01u.ecs.nasa.gov were removed. Users connecting to our FTP through a script or through an FTP download program should change the host name to n5eil01u.ecs.nasa.gov in order to continue retrieving data.