NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC)
Data Updates
The IceBridge MCoRDS L2 Ice Thickness, Version 1 data set has been updated through 16 November 2018 to include data from the 2018 Antarctic campaign 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).
The DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 5 and DMSP SSM/I-SSMIS Pathfinder Daily EASE-Grid Brightness Temperatures, Version 2 data sets, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), have been updated through 31 October 2019. These data sets contain daily brightness temperature measurements derived from Special Sensor Microwave/Imager (SSM/I) and Special Sensor Microwave Imager/Sounder (SSMIS) measurements.
The data access location for the Nimbus-5 ESMR Polar Gridded Brightness Temperatures, Version 2 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has changed. Users accessing this data set through a script will need to update accordingly. The new data access URL is provided below:
The MEaSUREs BedMachine Antarctica, 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, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, contains a bed topography/bathymetry map of Antarctica based on mass conservation, streamline diffusion, and other methods.
The data access location for the NIMBUS-7 SMMR Pathfinder Daily EASE-Grid Brightness Temperatures, Version 1 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has changed. Users accessing this data set through a script will need to update accordingly. The new data access URL is provided below:
The IceBridge CAMBOT L1B Geolocated Images, Version 2 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) from 19 October 2018 to 9 September 2019. This data set contains This data set contains high-resolution imagery taken with the Continuous Airborne Mapping By Optical Translator (CAMBOT) system over Antarctica and Greenland. This is an early-release data set with minimal documentation currently available.
The VIIRS/NPP CGF Snow Cover Daily L3 Global 375m SIN Grid, 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 utilizes a cloud-gap-filled algorithm to replace cloud-covered pixels with cloud-free pixels for the purpose of estimating the snow cover that may exist under current cloud cover. The data are provided daily and mapped to a 375 m sinusoidal grid.
The NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) will be presenting a hands-on tutorial during the 2019 AGU Fall Meeting, hosted by the ARCUS Arctic Community Meeting Space. This tutorial will demonstrate our data discovery, access, subsetting services, and how to utilize basic open source resources to harmonize and analyze data across different remote sensing products.
The ASO L4 Lidar Snow Depth 3m UTM Grid, Version 1; ASO L4 Lidar Snow Depth 50m UTM Grid, Version 1; and ASO L4 Lidar Snow Water Equivalent 50m UTM Grid, Version 1 data sets, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), have been updated to include new data for 2019.
New data set release: IceBridge ATM L1B Near-Infrared Waveforms
The IceBridge ATM L1B Near-Infrared Waveforms, 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 waveforms measured by the Airborne Topographic Mapper (ATM) near-infrared (NIR) lidar acquired during the 2018 Antarctic campaign from 10 October 2018 through 16 November 2018.
The MEaSUREs Phase-Based Antarctica Ice Velocity Map, 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, produced under the Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program, combines interferometric phases from multiple satellite interferometric synthetic-aperture radar systems to derive the first comprehensive phase-based map of Antarctic ice velocity.
The following data sets, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), have been updated to version 1.1 to reflect updated filenames in the GDAL virtual format (.vrt) files:
MEaSUREs Greenland Monthly Ice Sheet Velocity Mosaics from SAR and Landsat, Version 1
MEaSUREs Greenland Quarterly Ice Sheet Velocity Mosaics from SAR and Landsat, Version 1
Multiple Level-1B, Level-2A, and Level-3A data sets from the Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) mission have been updated to Version 2 at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).
The AMSR-E/Aqua L2A Global Swath Spatially-Resampled Brightness Temperatures, Version 4 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains daily, 50-minute, half-orbit swath brightness temperatures for six channels ranging from 6.9 GHz through 89 GHz. Data are resampled to spatial resolutions ranging from 5.4 km to 56 km. Each file is packaged with geolocation and quality information, as well as ancillary data.
The MEaSUREs Greenland Image Mosaics from Sentinel-1A and -1B, Version 2 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated with mosaics through June 2019. Additionally, the GDAL virtual format (.vrt) files have been updated to reflect updated filenames.
The High Mountain Asia Landslide Catalog, Version 1 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 data access location has changed for the MEaSUREs Greenland Ice Velocity: Selected Glacier Site Velocity Maps from InSAR, Version 1 data set, available through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). Users accessing this data set through a script will need to update accordingly. The new data access URL is https://n5eil01u.ecs.nsidc.org/MEASURES/NSIDC-0481.001/.
Multiple High Mountain Asia data sets are now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). Each data set contains different science parameters, including weather measurements, bidirectional reflectance, irradiance, reflectance, optical depth, and snow and temperature.
High Mountain Asia Langtang Automatic Weather Station Measurements, Version 1
Data set DOI: https://doi.org/10.5067/TNQV3XTMP9CP
The IceBridge L1B Thinned Flight Lines, Version 1 data set has been updated to include the 2018 Antarctic campaign, with data from 10 October through 17 November 2018 at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).
The IceBridge L1B Flight Reports, Version 1 data set has been updated to include the 2018 Antarctic campaign, with data from 02 October through 21 November 2018 at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).