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

The IceBridge Narrow Swath ATM L1B Elevation and Return Strength, Version 2 data set has been updated from 03 April 2019 through 16 May 2019 to include data from the 2019 Arctic campaign at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains spot elevation measurements of Greenland, Arctic, and Antarctic sea ice acquired by the NASA Airborne Topographic Mapper (ATM) narrow-swath instrumentation.

The IceBridge Narrow Swath ATM L1B Elevation and Return Strength with Waveforms, Version 1 data set has been updated from 03 April 2019 through 16 May 2019 to include data from the 2019 Arctic campaign at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains spot elevation measurements with corresponding waveforms of Greenland, Arctic, and Antarctic sea ice acquired by the NASA Airborne Topographic Mapper (ATM) narrow-swath instrumentation.

Multiple VIIRS snow cover data sets, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), have been reprocessed due to an error in the planetary ephemeris data. This resulted in the use of incorrect solar and lunar vectors for the period 16 Jan. 2020 00:00:00 - 17 Jan 2020 10:00:00. The affected files were reprocessed and redelivered on 6 March 2020.

VIIRS/NPP Snow Cover 6-Min L2 Swath 375m, Version 1
Data set DOI: https://doi.org/10.5067/VIIRS/VNP10.001 V

The LVIS Classic L2 Geolocated Surface Elevation and Canopy Height Product, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains geolocated surface elevation and canopy height measurements collected by the NASA Land, Vegetation, and Ice Sensor (LVIS), an airborne lidar scanning laser altimeter.

The LVIS Classic L1B Geolocated Return Energy Waveform, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains geolocated return energy waveforms collected by the NASA Land, Vegetation, and Ice Sensor (LVIS), an airborne lidar scanning laser altimeter.

New data access options are available for the MEaSUREs Phase-Based Antarctica Ice Velocity Map, Version 1 data set, accessible from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). The direct download location for this MEaSUREs (Making Earth System Data Records for Use in Research Environments) data set has changed.

The IceBridge UAF Lidar Scanner L1B Geolocated Surface Elevation Triplets, Version 1 data set has been updated to include 2019 Alaska campaign data from 22 September 2019 through 28 September 2019 at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains scanning laser altimetry data points acquired by the airborne University of Alaska Fairbanks (UAF) Glacier Lidar system.

The SnowEx17 Ground Penetrating Radar, Version 2 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated to Version 2. This data set contains the results of a ground penetrating radar survey conducted at Grand Mesa, Colorado. Data include the two-way travel time, calculated snow depth, and calculated snow water equivalent. Data were collected between 08-25 February 2017 as part of the 2017 SnowEx campaign. Changes to Version 2 include:

The MEaSUREs Greenland Ice Sheet Mosaics from SAR Data, Version 1 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated with new filenames in the GDAL virtual format (.vrt) files. The file names for the 20 m uncalibrated mosaic were also updated.

The IceBridge-Related DMS-Derived L4 Sea Ice Surface Cover Classification Orthorectified Images, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) from 23 March 2010 through 25 July 2017. The data set comprises reprocessed, orthorectified images depicting labels that indicate the sea ice surface category.

The MEaSUREs Greenland Ice Velocity: Selected Glacier Site Velocity Maps from InSAR, 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, provides velocity estimates determined from Interferometric Synthetic Aperture Radar (InSAR) data for major glacier outlet areas in Greenland beginning 12 June 2008.

The IceBridge-Related DMS-Derived L4 Sea Ice Surface Cover Classification Images, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC)) from 23 March 2010 through 16 April 2018. This data set contains reprocessed images depicting labels that indicate sea ice surface category created by processing IceBridge DMS L0 Raw Imagery with the Open Source Sea-ice Processing Algorithm.

The IceBridge CAMBOT L1B Geolocated Images, Version 2 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated from a basic to a standard level of service. Please see our Adding clarity to NSIDC data support with new Level of Service (LoS) model article more information.

The MEaSUREs Greenland Image Mosaics from Sentinel-1A and -1B, Version 2 data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been updated with mosaics through September 2019. This data set, part of the Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program, provides 6 and 12-day 50 m resolution image mosaics of the Greenland coastline and ice sheet periphery beginning in January 2015.

The ATLAS/ICESat-2 L3A Ocean Surface Height, Version 2 (ATL12) data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated from a basic to a comprehensive level of service.

In August 2019, NSIDC discovered large gaps in the 2018 F18 brightness temperature record. These data gaps occurred between 11 February - 13 March and 30 September - 31 October. They affected data in both the Northern and Southern Hemispheres. In January 2020, the missing data were recovered and reprocessed.

The IceBridge KT19 IR Surface Temperature, Version 1 data set has been updated to include 2019 Arctic campaign data from 27 March 2019 through 17 May 2019 at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains surface temperature measurements of Arctic and Antarctic sea ice and land ice acquired by the Heitronics KT19.85 Series II Infrared Radiation Pyrometer.

NSIDC is excited to bring your attention to the Cryospheric Sciences with ICESat-2 Hack Week, June 15-19, 2020, on the University of Washington campus. Visit the website https://icesat-2hackweek.github.io/ for details on how to apply. From the ICESat-2 Hack Week Organizers: Join us for five days of tutorials, data exploration, software development and community networking focused on open source tools to analyze and visualize ICESat-2 data for cryospheric applications.

The ABoVE LVIS L1A Geotagged Images, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains geotagged images collected over Alaska and Western Canada from 29 June 2017 to 17 July 2017. The images were taken by the NASA Digital Mapping Camera, paired with the Land, Vegetation, and Ice Sensor (LVIS) as part of NASA's Terrestrial Ecology Program campaign, the Arctic-Boreal Vulnerability Experiment (ABoVE).

The IceBridge LVIS L1A Geotagged Images, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains geotagged images collected over Greenland from 25 August 2017 to 20 September 2017. The images were taken by the NASA Digital Mapping Camera paired with the Land, Vegetation, and Ice Sensor (LVIS) as part of Operation IceBridge funded campaigns.