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

The Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data data set available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been updated through 28 February 2017.

Data Set DOI: https://doi.org/10.5067/8GQ8LZQVL0VL

NASA IceBridge HiCARS 2 L1B Time-Tagged Echo Strength Profiles data are now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains Antarctica echo strength profiles from the Hi-Capability Radar Sounder (HiCARS) Version 2 instrument.

Data set DOI: https://doi.org/10.5067/0I7PFBVQOGO5

The MEaSUREs Greenland Ice Velocity: Selected Glacier Site Velocity Maps from InSAR data set at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been updated with velocity maps for 2016. This release, Version 1.2, includes new browse images, metadata files, and more descriptive file names, and fills in some missing 2015 files.

These data are generated through a grant from the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program.

NASA IceBridge BGM-3 Gravimeter L2 Geolocated Free Air Anomalies replacement data are now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). On May 31, 2017 the entire data collection was replaced to correct erroneous data found in Column 6 (GRV) for some of the lines. This data set contains free air anomalies measurements taken over Antarctica using the BGM-3 Gravimeter.

Data set DOI: https://doi.org/10.5067/8DJW56PKY133

NASA IceBridge DMS Camera Calibration files for 17 September 2009 to 05 October 2016 are now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This collection contains DMS camera calibration summary reports in PDF format for missions flown over Antarctica and Greenland.

Data Set DOI: https://doi.org/10.5067/Z65C335BWXC3

The MEaSUREs Greenland Ice Velocity: Selected Glacier Site Velocity Maps from Optical Images, Version 2 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set, part of the Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program, consists of mean monthly velocity maps for selected glacier outlet areas.

NASA IceBridge Snow Radar L1B Geolocated Radar Echo Strength Profiles data for 2016 Greenland are now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains radar echograms taken from the Center for Remote Sensing of Ice Sheets (CReSIS) ultra wide-band snow radar over land and sea ice in the Arctic and Antarctic.

Data Set DOI: https://doi.org/10.5067/FAZTWP500V70

NASA IceBridge Ku-Band Radar L1B Geolocated Radar Echo Strength Profiles data for 2016 Greenland are now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains elevation and surface measurements over Greenland, the Arctic, and Antarctica, as well as flight path charts and echogram images acquired using the Center for Remote Sensing of Ice Sheets (CReSIS) Ku-Band Radar Altimeter.

Data Set DOI: https://doi.org/10.5067/D7DX7J7J5JN9

NASA IceBridge MCoRDS L2 Ice Thickness data for 2016 Greenland are now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains depth sounder measurements of elevation, surface, bottom, and thickness for Greenland and Antarctica taken from the Multichannel Coherent Radar Depth Sounder (MCoRDS).

Data Set DOI: https://doi.org/10.5067/GDQ0CUCVTE2Q.

The NASA IceBridge MCoRDS L1B Geolocated Radar Echo Strength Profiles, Version 2 data set now includes data for the 2016 Arctic campaign. This data set contains radar echograms taken from the Center for Remote Sensing of Ice Sheets (CReSIS) ultra Multichannel Coherent Radar Depth Sounder (MCoRDS) over land and sea ice in the Arctic and Antarctic.

Data set DOI: https://doi.org/10.5067/90S1XZRBAX5N

MEaSUREs has added SSM/I data from the F14 platform to the MEaSUREs Calibrated Enhanced-Resolution Passive Microwave Daily EASE-Grid 2.0 Brightness Temperature ESDR data set available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). The temporal coverage is 9 July 1987 through 4 October 2011. This data set is part of the Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program.

The MEaSUREs Annual Antarctic Ice Velocity Maps, 2005-2016 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set, part of the Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program, provides 11 annual maps of Antarctic ice velocity from 2005-2016. The maps are assembled using ALOS PALSAR, ENVISAT ASAR, RADARSAT-1, RADARSAT-2, Sentinel-1, TerraSAR-X (TSX), TanDEM –X (TDX) SAR data, and Landsat-8 optical imagery acquired between 2005 and 2016.

MEaSUREs has added SSM/I data from the F11 platform to the MEaSUREs Calibrated Enhanced-Resolution Passive Microwave Daily EASE-Grid 2.0 Brightness Temperature ESDR data set available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). The temporal coverage is now 9 July 1987 through 4 October 2011. This data set is part of the Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program.

Terra MODIS experienced a data outage stemming from the Science Formatter Equipment (SFE) Assembly. All data between time stamps 2017/114 0320 and 2017/114 1950 are unavailable and likely unrecoverable. Level 3 daily products remain unavailable since the beginning of the outage because of post outage data recovery and QA/QC procedures. However, Level 2 products have been recovered and are available outside of the aforementioned time stamps. If you have any questions, please contact NSIDC User Services at nsidc@nsidc.org.

The DMSP SSM/I-SSMIS Pathfinder Daily EASE-Grid Brightness Temperatures data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been updated through 31 March 2017.

Data Set DOI: https://doi.org/10.5067/3EX2U1DV3434.

The NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has released Version 2 of MEaSUREs InSAR-Based Antarctica Ice Velocity Map. Major updates to the data set include data from 2011-2016 acquired from RADARSAT-2, Sentinel-1, TerraSAR-X, and TanDEM-X. Landsat-8 optical imagery also was integrated into the data to improve coverage. The mosaicking method was updated to make best use of the large number of scenes used for the mosaic.

The DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been updated through 31 March 2017.

Data Set DOI: https://doi.org/10.5067/AN9AI8EO7PX0.

MEaSUREs has added SSM/I data from the F10 platform to the MEaSUREs Calibrated Enhanced-Resolution Passive Microwave Daily EASE-Grid 2.0 Brightness Temperature ESDR data set available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). The temporal coverage is now 9 July 1987 through 4 October 2011. This data set is part of the Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program.

Three data sets in the NASA’s Making Earth System Data Records for Use in Research Environments (MEaSUREs) program are now available in a new version from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). The new version, 1.1, corrects the location of the upper left pixel in each GeoTIFF file.

The MEaSUREs Greenland Ice Mapping Project (GIMP) Digital Elevation Model from GeoEye and WorldView Imagery data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set, part of the Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program, consists of an enhanced resolution digital elevation model (DEM) for the Greenland Ice Sheet.

Data Set DOI: https://doi.org/10.5067/H0KUYVF53Q8M