NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC)
Data Updates
The NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) is pleased to announce that Version 6 (Collection 6) reprocessing is complete for our MODIS sea ice data sets. Forward–processing will continue for both Version 5 and Version 6 for approximately one year, after which Version 5 forward-processing will be discontinued. To obtain MODIS Version 6 sea ice data, visit the MODIS collection.
Questions? Contact NSIDC's User Services Office.
Version 4 Aquarius L2 Swath Single Orbit Soil Moisture Data, and Version 4 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). The Level-2 data set contains global soil moisture estimates. The Level-3 data sets contain gridded daily, weekly, monthly, seasonal, and annual global soil moisture estimates.
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 Annual Greenland Outlet Glacier Terminus Positions from SAR Mosaics provides glacier terminus positions in individual shapefiles for winter 2000–2001, annually during winters 2005–2006 to 2008–2009, and winter 2012–2013.
Data Set DOI: https://doi.org/10.5067/DC0MLBOCL3EL
NASA IceBridge DMS L0 Raw Imagery 2015 Greenland data are now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains level zero imagery taken from the Digital Mapping System (DMS) over Antarctica and Greenland.
Data Set DOI: https://doi.org/10.5067/UMFN22VHGGMH
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.
NASA IceBridge MCoRDS L2 Ice Thickness data for 2014 Antarctica 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 National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) is pleased to announce that the DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 4 data set has been updated through 30 June 2015.
The NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) is pleased to announce that the DMSP SSM/I-SSMIS Pathfinder Daily EASE-Grid Brightness Temperatures, Version 2 data set has been updated through 30 June 2015. The data set consists of gridded brightness temperatures from the Special Sensor Microwave/Imager (SSM/I) and the Special Sensor Microwave Imager/Sounder (SSMIS) in three equal-area projections: Northern Hemisphere, Southern Hemisphere, and full global.
NASA IceBridge DMS L1B Geolocated and Orthorectified Images for 2015 Greenland 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.
Data set DOI: https://doi.org/10.5067/OZ6VNOPMPRJ0
NASA IceBridge L4 Sea Ice Freeboard, Snow Depth, and Thickness 2009 and 2010 Antarctica data are now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). Greenland data for 26 March 2013, 27 March 2013, and 25 April 2013 also have been added to the data set. In addition, in the previous version of IDCSI4 data files, it was discovered that the Surface Temperature variable was blank. Surface Temperature values are now included.
NASA IceBridge-related Radiostratigraphy and Age Structure of the Greenland Ice Sheet data are now published at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).
The NASA IceBridge ATM L2 Icessn Elevation, Slope, and Roughness (ILATM2) Version 2 data set now includes all data from 31 March 2009 to present. On 10 August 2015, Version 1 fixed-width space-delimited ASCII text files for 31 March 2009 to 08 November 2012 were replaced with Comma Separated Values (CSV) files and are now included with ILATM2 Version 2 data.
The NASA IceBridge ATM L4 Surface Elevation Rate of Change data set now includes measurements based on comparisons of earlier years with 2014. The data are available from NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). Compared dates include: 2002.11.26, 2004.11.18, 2008.10.12, 2009.10.16, 2010.11.05, 2011.10.14 and 2012.10.12.
NASA IceBridge POS/AV L1B Corrected Position and Attitude Data for Arctic 2015 are now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains georeferencing data from the Applanix 510 POS AV system flown with the Digital Mapping System (DMS) and other instruments over Greenland and Antarctica.
Data set DOI: https://doi.org/10.5067/XILTNL9F1HCR
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 that six of its data sets can now be readily geolocated by popular geospatial software packages such as GDAL and Panoply. These updated data sets include two new variables that specify x and y coordinates for the projection in meters from the origin. To obtain these data, visit the following data set landing pages:
NASA IceBridge ATM L1B Elevation and Return Strength data for 2014 Antarctica are now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains spot elevation measurements of Arctic and Antarctic sea ice, and Greenland, Antarctic Peninsula, and West Antarctic region ice surface acquired using the NASA Airborne Topographic Mapper (ATM) instrumentation.
Data set DOI: https://doi.org/10.5067/19SIM5TXKPGT
Reprocessed NASA IceBridge Sea Ice Freeboard, Snow Depth, and Thickness Arctic data are now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). The IceBridge L4 Sea Ice Freeboard, Snow Depth, and Thickness (IDCSI4) product is informally regarded as Version 2 of the IceBridge Sea Ice Freeboard, Snow Depth, and Thickness (IDCSI2) product. Adding L4 (Level-4) to the data set name more accurately represents the data processing level. Currently, the reprocessed L4 data include Arctic campaigns from 2009 to 2012.
Due to a power failure on the Satélite de Aplicaciones Científicas (SAC)-D spacecraft on 08 June 2015, data from NASA’s Aquarius instrument are no longer being produced. For more information on this event, please refer to the official NASA announcement.
NASA IceBridge ATM L2 Icessn Elevation, Slope, and Roughness data for 2014 Antarctica are now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains resampled and smoothed elevation measurements of Arctic and Antarctic sea ice, and Greenland, Antarctic Peninsula, and West Antarctic region land ice surface acquired using the NASA Airborne Topographic Mapper (ATM) instrumentation.
NASA IceBridge Narrow Swath ATM L1B Elevation and Return Strength data for 2014 Antarctica are now available from 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 using the NASA Airborne Topographic Mapper (ATM) 4CT3 narrow scan instrumentation.
Data set DOI: https://doi.org/10.5067/CXEQS8KVIXEI