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

The NASA IceBridge KT19 IR Surface Temperature data set now includes data for Arctic 2014. This data set contains surface temperature measurements of Arctic and Antarctic sea ice and land ice acquired using the KT19 pyrometer alongside the NASA Airborne Topographic Mapper (ATM) Instrument. For further information and to access the data from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), see the IceBridge KT19 IR Surface Temperature page.

The NASA IceBridge UAF Lidar Scanner L1B Geolocated Surface Elevation Triplets data set now includes data for 2013. This data set contains scanning laser altimetry data points of Alaska Glaciers acquired using the airborne University of Alaska Fairbanks (UAF) Glacier Lidar system. For further information and to access the data from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), see the IceBridge UAF Lidar Scanner L1B page.

The Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program, at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), is pleased to announce the release of a new data set: MEaSUREs Northern Hemisphere Terrestrial Snow Cover Extent Weekly 100km EASE-Grid 2.0.

The NASA IceBridge Paroscientific L1B Pressure Altimeter Time-Tagged Air Pressure data set is now updated to include data for 29 and 31 December 2008. This data set contains static pressure values for Antarctica using the Paroscientific Digiquartz Transmitter. For further information and to access the data from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), see the IceBridge Paroscientific L1B Pressure Altimeter catalog page.

The MEaSUREs InSAR-Based Ice Velocity of the Amundsen Sea Embayment, Antarctica data set is now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program, consists of high-resolution, digital mosaics of ice motion in the Amundsen Sea Embayment and West Antarctica, including Pine Island, Thwaites, Haynes, Pope, Smith, and Kohler glaciers.

IceBridge DMS L1B Geolocated and Orthorectified Images for Arctic 2014 are now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains Level-1B imagery taken from the Digital Mapping System (DMS) over Greenland and Antarctica. See the IceBridge DMS L1B catalog page for more information.

New IceBridge DMS Level-3 Photogrammetric DEM image data for Arctic 2012 and 2013 and Antarctica 2011, 2012, and 2013 are now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). The data set contains gridded Digital Elevation Models (DEM) and orthorectified images of Greenland and Antarctica derived from Digital Mapping System (DMS) and Airborne Topographic Mapper (ATM) instrumentation. See the IceBridge DMS L3 Photogrammetric DEM page for more information.

NASA IceBridge Radar L3 Tomographic Thickness Error data are now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains Level-3 tomographic thickness error measurements derived from data captured by the Center for Remote Sensing of Ice Sheets (CReSIS) Multichannel Coherent Radar Depth Sounder (MCoRDS) instrument over areas including Greenland and Antarctica. See the Tomographic Thickness Error data catalog page for more information.;

Version 3 Aquarius L3 Gridded 1-Degree Soil Moisture data are now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).

This data set contains Level-3 gridded daily, weekly, monthly, seasonal, and annual global soil moisture estimates derived from the NASA Aquarius passive microwave radiometer on the Satélite de Aplicaciones Científicas (SAC-D).

Version 3 Aquarius L2 Swath Single Orbit Soil Moisture data are now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).

This data set contains Level-2 global soil moisture estimates derived from the NASA Aquarius passive microwave radiometer on the Satélite de Aplicaciones Científicas (SAC-D).

Land cover classifications and land cover masks in the EASE-Grid and EASE-Grid 2.0 projections are now available as data sets from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). These data provide land cover classifications and land classification masks derived from the Boston University MOD12Q1 V004 MODIS/Terra 1 km Land Cover Product. These data are available in various EASE-Grid and EASE-Grid 2.0 azimuthal and global projections, at various spatial resolutions ranging from 3 km to 100 km.

The MEaSUREs Greenland Surface Melt Daily 25km EASE-Grid 2.0 data set is now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, offers users a 25 km daily record of surface/near-surface melting on the Greenland Ice Sheet from 2 January 1979 to 31 December 2012. To access the data and documentation, visit the data set Web page at https://nsidc.org/data/nsidc-0533.

NASA IceBridge MCoRDS L1B Geolocated Radar Echo Strength Profiles data for 2013 Antarctica are now available at 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 Multichannel Coherent Radar Depth Sounder (MCoRDS) over land and sea ice in the Arctic and Antarctic. See the MCoRDS Radar L1B data catalog page for more information.

NASA IceBridge MCoRDS Level-2 Ice Thickness data for 2012 and 2013 Antarctica are now available at 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). See the IceBridge MCoRDS L2 Ice Thickness catalog page for more information.

NASA IceBridge MCoRDS L1B Geolocated Radar Echo Strength Profiles, Version 2 data for 2012 Antarctica and 2013 Arctic are now available at 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 Multichannel Coherent Radar Depth Sounder (MCoRDS) over land and sea ice in the Arctic and Antarctic. Version 2 data are provided in netCDF format.

NASA IceBridge Ku-Band Radar L1B Geolocated Radar Echo Strength Profiles, Version 2 data for 2012 Antarctica and 2013 Arctic are now available at 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) ku-band radar over land and sea ice in the Arctic and Antarctic. Version 2 data are provided in netCDF format. See the Ku-Band Radar L1B data catalog page for more information.

Reprocessed NASA ICESat/GLAS GLAH01 HDF5 data are now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). GLAH01 reprocessing was conducted to correct the format of the d_4nsBgMean parameter changing it from counts to volts.

See the ICESat/GLAS data collection for more information.

DOI:10.5067/ICESAT/GLAS/DATA101.

NASA IceBridge Sander AIRGrav L4 Bathymetry data containing bathymetry of Arctic fjords and Antarctic ice shelves are now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). See the Sander AIRGrav L4 Bathymetry data catalog page for more information.

The NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been informed that our data provider, MODAPS, identified corrupt files that may have impacted previously forward processed data for all MODIS snow and sea ice products. NSIDC recommends that MODIS snow and sea ice data users replace the following files:

MODIS Terra
Files from Day of Year (DOY) 256 to DOY 271, downloaded before 6 October 2014. Files from DOY 277 to 282, downloaded before 11 October 2014.