Data Announcements
News and tips for data users
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The NASA IceBridge ATM L4 Surface Elevation Rate of Change data set now includes measurements based on 2014 data. This data set contains surface elevation rate of change measurements derived from IceBridge and Pre-IceBridge Airborne Topographic Mapper (ATM) widescan elevation measurements data (ILATM1B) for Arctic and Antarctic missions flown under NASA's Operation IceBridge (OIB) and Arctic Ice Mapping (AIM) projects.
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 Weekly 100km EASE-Grid 2.0.
The NASA IceBridge MCoRDS L2 Ice Thickness data set now includes data for the 2014 Arctic campaign. 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). 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 MCoRDS L2 landing page.
Recent data announcements from NSIDC have included some new information: the DOI, or Digital Object Identifier associated with a data set. Decoding a DOI is a simple task and understanding its applications can be useful to the scientific research community.
The establishment of the DOI system was led by the non-profit International DOI Foundation (IDF). The system was approved by the International Organization for Standardization (ISO) in 2010, which requires that DOI generation follow ISO standard 26324-2012.
The NASA IceBridge Accumulation Radar L1B Geolocated Radar Echo Strength Profiles, Version 2 data set now includes data for the 2014 Arctic campaign. 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 landing page.
The NASA IceBridge MCoRDS L1B Geolocated Radar Echo Strength Profiles, Version 2 data set now includes data for the 2014 Arctic campaign. 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. 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 MCoRDS L1 landing page.
The NASA IceBridge LVIS L0 Raw Ranges data set now includes data for the Alaska 2014 Arctic Radiation - IceBridge Sea&Ice Experiment (ARISE) campaign. This data set contains raw laser altimeter, Inertial Measurement Unit (IMU), Global Positioning System (GPS), and camera data over Greenland, Antarctica, and Alaska taken from the NASA Land, Vegetation, and Ice Sensor (LVIS).
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.
The International Ice Patrol (IIP) Iceberg Sightings Database has been updated through the 2014 iceberg season. The IIP has been collecting information on iceberg activity in the North Atlantic since 1913. This database contains the data from these sightings starting in 1960. The IIP data files include latitude and longitude of sighted icebergs, coded iceberg size and shape class, and date and time of the sighting.
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 Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, 17O Excess from WAIS Divide, 0 to 25 ka BP. This data set contains the VSMOW-SLAP d17O, d18O, and 17O-excess data from the WAIS Divide Ice Core Project, Siple Dome and Taylor Dome, along with the published and VSMOW-SLAP normalized d17O, d18O, and 17O-excess for Vostok [Landais et al. 2008], EPICA Dome C and Talos Dome [Winkler et al., 2012].
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.