NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC)
Data Updates
On 11 February 2015, Version 1 of the NASA IceBridge Sander AIRGrav L4 Bathymetry data set was updated to Version 1.1. In V1.1 the precision for lat and lon values in data file IGBTH4_20140207.csv is increased to 6 decimal places. This data set contains bathymetry of Arctic fjords and Antarctic ice shelves based on measurements from the Sander Geophysics Airborne Inertially Referenced Gravimeter (AIRGrav) system.
Version 2 of the AMSR-E Sea Ice data sets will only be available from NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) until 16 February 2015 through the Data Pool or Reverb.
- AMSR-E/Aqua Daily L3 6.25 km 89 GHz Brightness Temperature Polar Grids
- AMSR-E/Aqua Daily L3 12.5 km Brightness Temperatures, Sea Ice Concentration, & Snow Depth Polar Grids
- AMSR-E/Aqua Daily L3 25 km Brightness Temperatures & Sea Ice Concentration Polar Grids
The NASA IceBridge Sander AIRGrav L4 Bathymetry data set now includes data for date range 21 May 2010 to 09 May 2012. This data set contains bathymetry of Arctic fjords and Antarctic ice shelves based on measurements from the Sander Geophysics Airborne Inertially Referenced Gravimeter (AIRGrav) 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 L4 Bathymetry landing page.
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 31 December 2014. 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.
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 data set has been updated through 31 December 2014. These daily gridded brightness temperature data are from orbital swath data generated by the Special Sensor Microwave/Imager (SSM/I) aboard the Defense Meteorological Satellite Program (DMSP) F8, F11, and F13 platforms and the Special Sensor Microwave Imager/Sounder (SSMIS) aboard DMSP-F17.
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 State of Cryosphere Daily 25km EASE-Grid 2.0.
The NASA IceBridge POS/AV L1B Corrected Position and Attitude Data set now includes data for Antarctica 2014. 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. 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 POS/AV L1B landing page.
The NASA IceBridge Narrow Swath ATM L1B Elevation and Return Strength, Version 2 data set now includes data for Arctic 2014. 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.
The NASA IceBridge ATM L2 Icessn Elevation, Slope, and Roughness, Version 2 data set now includes data for 2014 Arctic. 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.
The NASA IceBridge ATM L1B Elevation and Return Strength, Version 2 data set now includes data for 2014 Arctic. 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.
The NASA IceBridge Accumulation Radar L1B Geolocated Radar Echo Strength Profiles, Version 2 data set now includes data for Antarctica 2013. This data set contains radar echograms taken over Greenland and Antarctica using the Center for Remote Sensing of Ice Sheets (CReSIS) Accumulation Radar 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 Accumulation Radar L1B page.
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).