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

The High Mountain Asia TRMM-derived 3B42 Extreme Precipitation Indices, 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 features seven standard annual mean extreme precipitation indices spanning 1999 to 2017 that were selected on the basis of potential relevance to landslide activity. The seven indices were calculated from 3B42 Version 7 daily satellite precipitation estimates.  

The High Mountain Asia GFDL FLOR Modeled Extreme Precipitation Indices, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).

The High Mountain Asia Gridded Glacier Thickness Change from Multi-Sensor DEMs, 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 gridded thickness changes for approximately 650 Himalayan glaciers between 1975 and 2000, and 1040 Himalayan glaciers between 2000 and 2016. The data were derived from HEXAGON KH-9 and ASTER digital elevation models (DEMs). This data set is available as part of an early release.

The IceBridge UAF Lidar Scanner L1B Geolocated Surface Elevation Triplets, Version 1 data set now includes data through 29 August 2018 for the 2018 Alaska campaign 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.

Data Set DOI: https://doi.org/10.5067/AATE4JJ91EHC

The IceBridge MCoRDS L2 Ice Thickness, Version 1 data set available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been updated through 18 December 2017.

This data set contains depth sounder measurements of elevation, surface, bottom, and thickness taken from the Center for Remote Sensing of Ice Sheets (CReSIS) Multichannel Coherent Radar Depth Sounder (MCoRDS).

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

The IceBridge MCoRDS L1B Geolocated Radar Echo Strength Profiles, Version 2 data set available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been updated through 18 December 2017.

This data set contains radar echograms taken from the Center for Remote Sensing of Ice Sheets (CReSIS) Multichannel Coherent Radar Depth Sounder (MCoRDS).

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

The AfriSAR LVIS L2 Geolocated Surface Elevation Product data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) from 20 February 2016 to 08 March 2016.

This data set contains surface elevation measurements from NASA's Land, Vegetation, and Ice Sensor (LVIS) over Gabon, Africa. The data were collected as part of a NASA campaign, in collaboration with the European Space Agency (ESA) mission AfriSAR.

The AfriSAR LVIS L1B Geolocated Return Energy Waveforms data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) from 20 February 2016 to 08 March 2016.

This data set contains laser altimetry return energy waveform measurements over Gabon, Africa, collected for the AfriSAR mission by the NASA Land, Vegetation, and Ice Sensor (LVIS). The mission was a collaboration between NASA, the European Space Agency (ESA), and the Gabonese Space Agency.

The IceBridge L1B Thinned Flight Lines data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) from 27 March 2009 to 19 April 2018.

This data set contains simplified, or thinned, flight lines from NASA Operation IceBridge Greenland, Arctic, Antarctic, and Alaska missions. The thinning was performed using a Python library called Shapely. The full resolution flight line data were collected as part of Operation IceBridge funded aircraft survey campaigns.

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 August 2018. 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 DMSP SSM/I-SSMIS Pathfinder Daily EASE-Grid Brightness Temperatures, Version 2 data set, distributed by the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been extended through 2 October 2018. The spatial resolution is 25 km for all channels; the 85 and 91 GHz channels are also provided at a 12.5 km resolution.

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

The DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 4 data set, distributed by the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been extended through 2 October 2018. Data at 85.5 GHz and 91.7 GHz are gridded at a resolution of 12.5 km, with all other frequencies at a resolution of 25 km.

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

The IceBridge L1B Flight Reports data set is now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).

The ASO L4 Lidar Snow Depth 50m UTM Grid data set has been updated at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) to include data from 8 February 2016 to 2 June 2018.

This data set contains 50 m gridded snow depths derived from airborne light detection and ranging, or lidar, measurements of surface elevations. The data were collected as part of the NASA/JPL Airborne Snow Observatory (ASO) aircraft survey campaigns.

The ASO L4 Lidar Snow Depth 3m UTM Grid data set has been updated at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) to include data from 8 February 2016 to 2 June 2018.

This data set contains 3 m gridded snow depths derived from airborne light detection and ranging, or lidar, measurements of surface elevations. The data were collected as part of the NASA/JPL Airborne Snow Observatory (ASO) aircraft survey campaigns.

The ASO L4 Lidar Snow Water Equivalent 50m UTM Grid data set has been updated from a basic to a standard level of service at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).

The SnowEx17 KT-15 Infrared Brightness Temperature data set is now available from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).

The IceBridge DMS L3 Ames Stereo Pipeline Photogrammetric DEM data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).

This data set represents a collection of digital elevation models (DEMs) obtained by processing Operation IceBridge DMS stereo images and lidar data using the NASA Ames Stereo Pipeline. The data set is currently available for 2016 Greenland and Antarctica campaigns, and the 2017 Greenland campaign, covering dates from 19 April 2016 to 25 July 2017.

The AMSR-E/AMSR2 Unified L3 Daily 25 km Brightness Temperatures & Sea Ice Concentration Polar Grids, 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 includes six daily brightness temperature fields for channels ranging from 6.9 through 89.0 GHz, three daily sea ice concentration fields, and three daily sea ice concentration difference fields for ascending orbits, descending orbits, and full orbit daily averages.

Data set update: The Northern Hemisphere EASE-Grid 2.0 Weekly Snow Cover and Sea Ice Extent, Version 4 data set, distributed by the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been extended through 31 December 2017. This 25 x 25 km gridded product provides a consistent time series of sea ice concentrations from several passive microwave instruments and snow cover extent from the NOAA@NSIDC/NCDC Climate Data Record Program.