Data Announcements
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The NASA IceBridge Sea Ice Freeboard, Snow Depth, and Thickness Quick Look data set available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been updated to include data from 22 March 2018 to 16 April 2018. This data set is an evaluation product containing derived geophysical data products retrieved over the Arctic sea ice cover using the IceBridge Airborne Topographic Mapper (ATM), Snow Radar, Digital Mapping System (DMS), and KT19 pyrometer.
The NASA IceBridge LDEO Gravimeter Suite L1B Geolocated Free Air Gravity Anomalies data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), with data available from 22 March 2017 through 31 March 2017.
The NASA IceBridge ATM L2 Icessn Elevation, Slope, and Roughness data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated through 25 November 2017.
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 data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated through 25 November 2017.
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 Narrow Swath ATM L1B Elevation and Return Strength data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated through 22 November 2017.
This data set contains spot elevation measurements of Greenland, Arctic, and Antarctic sea ice acquired using the NASA Airborne Topographic Mapper (ATM) narrow-swath instrumentation.
Data Set DOI: https://doi.org/10.5067/CXEQS8KVIXEI
The NASA IceBridge KT19 IR Surface Temperature data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated through 25 November 2017.
This data set contains surface temperature measurements of Arctic and Antarctic sea ice and land ice acquired by the Heitronics KT19.85 Series II Infrared Radiation Pyrometer and the NASA Airborne Topographic Mapper (ATM) instrument onboard the NASA P-3 and NASA DC-8 aircraft.
The NASA IceBridge ATM L1B Elevation and Return Strength with Waveforms data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated through 25 November 2017.
Data Set DOI: https://doi.org/10.5067/EZQ5U3R3XWBS
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 April 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.
Version 1.3 of the MEaSUREs Calibrated Enhanced-Resolution Passive Microwave Daily EASE-Grid 2.0 Brightness Temperature ESDR, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) for all sensors. The changes in this minor version update vary depending on the sensor and are listed by sensor in Table 11 of the user guide.
The SMAP Science Data System (SDS) has updated the SMAP/Sentinel-1 L2 Radiometer/Radar 30-Second Scene 3 km EASE-Grid Soil Moisture data product at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).
Reprocessing of the AMSR-E/AMSR2 Unified L2B Half-Orbit 25 km EASE-Grid Surface Soil Moisture, Version 1 data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), is complete for all data from 2 July 2012 to present. The Beta 02 (B02) algorithm update corrects an error that caused only half of each swath to be processed. This data set includes surface soil moisture estimates derived from L1R brightness temperatures from AMSR2.
The SMAP Science Data System (SDS) has released updated NASA SMAP data products at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). The following NASA SMAP Level 4 data sets have been updated:
The High Mountain Asia ASCAT Freeze/Thaw/Melt Status data is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This Level-3 data set provides freeze/thaw/melt status over seasonally frozen land and snowmelt status over glaciated areas for high mountain Asia glacier and snow regions. Daily F/T/M status is derived from vertically polarized (V-pol), C-band (5.255 GHz) Advanced Scatterometer (ASCAT Metop-A and Metop-B) backscatter measurements.
The NASA IceBridge LVIS L2 Geolocated Surface Elevation Product data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated through 20 September 2017. This data set contains surface elevation measurements from NASA's Land, Vegetation, and Ice Sensor (LVIS) over areas including Greenland, Alaska, and Antarctica. The data were collected as part of NASA Operation IceBridge funded campaigns.
The NASA IceBridge LVIS L1B Geolocated Return Energy Waveforms data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated through 20 September 2017. This data set contains laser altimetry return energy waveform measurements taken from NASA’s Land, Vegetation, and Ice Sensor (LVIS) over areas including Greenland, Alaska, and Antarctica. The data were collected as part of Operation IceBridge funded campaigns.
The SnowEx17 Time Series Sonic Snow Depth Measurement data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).
The SnowEx17 Ground-Based UWScat Ku- and X-Band Frequency Modulated Continuous Wave Radar data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).
NOAA@NSIDC is pleased to announce the release of the Daily Gridded North American Snow, Temperature, and Precipitation, 1959-2009 data set. These data provide daily snow, temperature, and precipitation data for North America from 1959 to 2009. They are gridded to a 1-degree latitude by 1-degree longitude resolution to create a 114 x 58 grid for each day of data. The data were obtained from U.S.
The NASA IceBridge DMS L1B Geolocated and Orthorectified Images data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated through 19 April 2018. This data set contains Level-1B imagery taken from the Digital Mapping System (DMS) over Greenland and Antarctica. The data were collected as part of Operation IceBridge funded aircraft survey campaigns.
Data set DOI: https://doi.org/10.5067/OZ6VNOPMPRJ0
The ASO L4 Lidar Snow Water Equivalent 50m UTM Grid data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) from 08 February 2016 to 08 July 2016.