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1. An investigation into Southern Hemisphere cyclone-sea ice links using long records of NCEP analyses and passive microwave data [ASAC_1080]
The sea ice data are the SMMR/SMMI data for the period 1978-96. These are in the form of daily (or bi-diurnal) concentration amounts on a regular grid. The data on the extratropical cyclones has been ...


2. Aquarius L3 Weekly Polar-Gridded Brightness Temperature and Sea Surface Salinity [AQ3_TB]
The data set consists of weekly gridded Level-3 products of Aquarius L-band radiometer brightness temperature (TB) observations and Sea Surface Salinity (SSS) retrievals from the Aquarius/Satélite ...


3. Aquarius L3 Weekly Polar-Gridded Normalized Radar Cross Section [AQ3_NRCS]
The data set consists of weekly polar-gridded Level-3 products of Aquarius L-band Normalized Radar Cross Section (NRCS) retrievals from the Aquarius/Satélite de Aplicaciones Científicas (SAC-D) mission, ...


4. Aquarius L3 Weekly Polar-Gridded Sea Surface Salinity [AQ3_SSS]
This data set consists of weekly gridded Level-3 products of Aquarius L-band radiometer Sea Surface Salinity (SSS) retrievals from the Aquarius/Satélite de Aplicaciones Científicas (SAC-D) mission, ...


5. IceBridge Sander AIRGrav L4 Bathymetry [IGBTH4]
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 data were ...


6. Alaskan Air, Ground, Snow, and Soil Temperatures, 1998-2001 [GGD903]
This data set contains air and ground temperature measurements collected from three different regions, each with multiple sites. The regions sampled are North Slope, Council, and Ivotuk. Measurements ...


7. Climate Data from Barrow and Atqasuk, Alaska, 1995-2001 [GGD908]
This data set presents various climate data from sites in Barrow and Atquasuk, on the Northern Slope of Alaska. Parameters include thaw depth, air temperature, precipitation, wind speed, light intensity, ...


8. East Siberian Air, Ground Temperature, and Snow Depth Measurements, 1882-1994 [GGD902]
This data set contains historical data for 35 Russian stations located between approximately 117-145 E and 55-72 N. Data were collected between 1882-1994, but the time period covered by each station ...


9. GLAS/ICESat L1A Global Altimetry Data (HDF5) [GLAH01]
Level-1A altimetry data (GLAH01) include the transmitted and received waveform from the altimeter. Each data granule has an associated browse product.


10. Air and Soil Temperatures from Sites in Alaska 1995-2001 [GGD907]
This data set consists of air and soil temperatures from various sites in Alaska between 1995 and 2001. Data loggers recorded soil temperatures at 1 cm below the ground or snow surface, and air temperatures ...


11. Climate and Flux Data from Alaska Sites, 1998-2000 [GGD904]
This data set contains climate, flux, and bulk density data from Ivotuk and Council (Seward Peninsula), Alaska, collected from 1998 through 2000. Surface energy and trace gas exchange measurements ...


12. Elevated Soil Temperature and Water Table Manipulation Data from Barrow, Alaska, 1999-2001 [GGD905]
This data set contains elevated soil temperature and water table manipulation measurements taken at a tundra site near Barrow, Alaska, USA. Eighteen 60-cm diameter polycarbonate cylinders were installed ...


13. GLAS/ICESat L1A Global Atmosphere Data (HDF5) [GLAH02]
GLAH02 Level-1A atmospheric data include the normalized relative backscatter for the 532 nm and 1064 nm channels, and low-level instrument corrections such as laser energy (1064 nm and 532 nm), photon ...


14. GLAS/ICESat L1A Global Engineering Data (HDF5) [GLAH03]
Level-1A global engineering data (GLAH03) include satellite housekeeping data used to calibrate data values for GLA01 and GLA02.


15. GLAS/ICESat L1A Global Laser Pointing Data (HDF5) [GLAH04]
Level-1A global laser pointing data (GLAH04) contain two orbits of attitude data from the spacecraft star tracker, instrument star tracker, gyro, and laser reference system, and other spacecraft attitude ...


16. GLAS/ICESat L1B Global Backscatter Data (HDF5) [GLAH07]
GLAH07 Level-1B global backscatter data are provided at full instrument resolution. The product includes full 532 nm (41.1 to -1.0 km) and 1064 nm (20 to -1 km) calibrated attenuated backscatter profiles ...


17. GLAS/ICESat L2 Global Aerosol Vertical Structure Data (HDF5) [GLAH10]
GLAH10 Level-2 aerosol vertical structure data contain the attenuation-corrected cloud and aerosol backscatter and extinction profiles at a 4 sec sampling rate for aerosols and a 1 sec rate for clouds. ...


18. GLAS/ICESat L2 Global Cloud Heights for Multi-layer Clouds (HDF5) [GLAH09]
GLAH09 Level-2 cloud heights for multi-layer clouds contain cloud layer top and bottom height data at sampling rates of 4 sec, 1 sec, 5 Hz, and 40 Hz. Each data granule has an associated browse product.


19. GLAS/ICESat L2 Global Planetary Boundary Layer and Elevated Aerosol Layer Heights (HDF5) [GLAH08]
GLAH08 Level-2 planetary boundary layer (PBL) and elevated aerosol layer heights data contains PBL heights, ground detection heights, and top and bottom heights of elevated aerosols from -1.5 km to ...


20. GLAS/ICESat L2 Global Thin Cloud/Aerosol Optical Depths Data (HDF5) [GLAH11]
GLAH11 Level-2 thin cloud/aerosol optical depths data contain thin cloud and aerosol optical depths. A thin cloud is one that does not completely attenuate the lidar signal return, which generally ...


21. IceBridge ATM L0 Raw Ranges [ILATM0]
The NASA IceBridge ATM L0 Raw Ranges (ILATM0) data set contains raw elevation range measurements using the NASA Airborne Topographic Mapper (ATM) instrumentation. The data were collected as part of ...


22. IceBridge CMG 1A Dynamic Gravity Meter Time-Tagged L1B Vertical Accelerations [IGCMG1B]
This data set contains vertical acceleration values for Antarctica using the CMG 1A dynamic gravity meter. The data were collected by scientists working on the Investigating the Cryospheric Evolution ...


23. IceBridge Level-4 ATM Surface Elevation Rate of Change [IDHDT4]
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 ...


24. Meteorological, Radiation, Soil, and Snow Data from Alaska Sites, 1998-2002 [GGD901]
This data set contains meteorological, radiation, soil, and snow data from several sites in three regions in Alaska: Ivotuk, Kougarok and Council. The goal of the project is to improve the understanding ...


25. Snow Depth Yearly Measurements at Toolik Station 1995-2001 [GGD910]
This data set provides snow depth measurements in the study area at Toolik Station, Alaska, taken once yearly on May 2nd, for the years 1995 through 2001. Measurements were taken by hand using a steel ...


26. MODIS/Terra Near Real Time (NRT) Coarse Sea Ice Extent 5-Min L2 Swath 5km, Version 5 [MOD29L2C_C5_NRT]
MODIS/Terra Near Real Time (NRT) Coarse Sea Ice Extent 5-Min L2 Swath 5km (MOD29) data set contains fields for sea ice by reflectance, sea ice by reflectance pixel Quality Assessment (QA), Ice Surface ...


27. MODIS/Terra Near Real Time (NRT) Coarse Snow Cover 5-Min L2 Swath 5km, Version 5 [MOD10L2C_C5_NRT]
The MODIS/Terra Near Real Time (NRT) Coarse Snow Cover 5-Min L2 Swath 5km (MOD10L2C) data set contains snow cover and Quality Assessment (QA) data, latitudes and longitudes in compressed Hierarchical ...


28. AVHRR Polar Pathfinder Twice-Daily 25 km EASE-Grid Composites [NSIDC-0094]
This data set is no longer available because of errors in the data. See the Error ...


29. AVHRR Polar Pathfinder Twice-Daily 5 km EASE-Grid Composites [NSIDC-0066]
This data set is no longer available due to errors in the data. See the Error Sources ...


30. Antarctic 5-km Digital Elevation Model from ERS-1 Altimetry [NSIDC-0076]
This data set provides a digital elevation model (DEM) for Antarctica to 81.5 degrees south latitude, at a resolution of 5 km. Approximately twenty million data points were used to generate this data ...


31. Central West Antarctic Glaciochemistry from Ice Cores [NSIDC-0093]
Glaciochemical and accumulation rate records developed from four ice cores in central West Antarctica are used to reconstruct former atmospheric circulation patterns in this region for the last 40 ...


32. Decadal-Length Composite West Antarctic Air Temperature Records [NSIDC-0097]
This data set includes daily, monthly, and yearly mean surface air temperatures for four interior West Antarctic sites between 1978 and 1997. Data include air surface temperatures measured at the ...


33. Dominion Range Snow Pit and Ice Core, 1984 and 1985 [NSIDC-0087]
Information from snow pits and an ice core were collected at Dominion Range (location - 166 10' East, 85 15' South, elevation - 2,700m) in 1984-1985. The 6 meter snow pit was dug and sampled in 1984-1985 ...


34. Dronning Maud Land, Antarctica, Ice Core, 1991 and 1992 [NSIDC-0089]
Major ion concentration values (Na, Mg, Ca, Cl, NO3, SO4, MSA) were analyzed from a 20-meter ice core drilled in Dronning Maud Land, Antarctica (location - 65 01' East, 75 00' South, elevation - 2,900 ...


35. Firn Air Isotope and Temperature Measurements from Siple Dome and South Pole [NSIDC-0098]
This data set includes d15N, d18O/2, dO2/N2/4, d40Ar/4, d38/Ar/2, d84Kr/48, and d132Xe/96 values for air drawn from the top 15 to 50 m of firn at the South Pole (summer and winter 1998) and a site ...


36. GEOSAT Radar Altimeter DEM Atlas of Antarctica North of 72.1 degrees South [NSIDC-0075]
The Antarctic atlas consists of 28 digital elevation maps which cover all of Antarctica north of 72.1 degrees south at a resolution of three kilometers. Each map contains surface elevations and coordinates ...


37. IPAB Antarctic Drifting Buoy Data [NSIDC-0084]
The World Climate Research Programme (WCRP) International Programme for Antarctic Buoys (IPAB), through participating research organizations in various countries, maintains a network of drifting buoys ...


38. Ice Thickness and Surface Elevation, Southeastern Ross Embayment, West Antarctica [NSIDC-0099]
Ice surface elevation and ice thickness data are available for a portion of the West Antarctic Ice Sheet. The investigators utilized a laser altimeter and ice-penetrating radar mounted to a Twin ...


39. Nenana Ice Classic: Tanana River Ice Annual Breakup Dates [NSIDC-0064]
The Nenana river in the Interior of Alaska usually freezes over during October and November. The ice continues to grow throughout the winter accumulating an average maximum thickness of about 110 ...


40. Newall Glacier Snow Pit and Ice Core, 1987 to 1989 [NSIDC-0088]
Snow pit and ice core data from the Newall Glacier (location - 162 30' East, 77 35' South) were collected during 1987 and 1988. These include information on chemistry, Beta profiles and stratigraphy. ...


41. Northern Hemisphere EASE-Grid 2.0 Weekly Snow Cover and Sea Ice Extent [NSIDC-0046]
The Northern Hemisphere EASE-Grid 2.0 Weekly Snow Cover and Sea Ice Extent Version 4 product combine snow cover and sea ice extent at weekly intervals from 23 October 1978 through 31 December 2011, ...


42. Radarsat Antarctic Mapping Project Digital Elevation Model Version 2 [NSIDC-0082]
The high-resolution Radarsat Antarctic Mapping Project (RAMP) Digital Elevation Model (DEM) combines topographic data from a variety of sources to provide consistent coverage of all of Antarctica. ...


43. Siple Dome Glaciology and Ice Stream History 1994, 1996 [NSIDC-0085]
The Siple Dome Glaciology and Ice Stream History project was part of Western Divide West Antarctic Ice Cores (WAISCORES), an NSF-funded project to understand the influence of the West Antarctic ice ...


44. South Pole Snow Pit, 1988 and 1989 [NSIDC-0086]
Information from 6-meter snow pits dug close to the South Pole in austral summer 1988-1989 by the Glacier Research Group of the University of New Hampshire (location - 38 km on grid 90 from South ...


45. Antarctic Ten Meter Temperature Data [NSIDC-0104]
Firn temperature from a depth of about ten meters provides a close estimate of mean annual surface air temperature. This data collection is a compilation of temperature measurements dating back prior ...


46. Blue Ice Tephra II - Brimstone Peak [NSIDC-0114]
This data set is the result of a study of volcanic ash and rock fragment (tephra) layers in exposed blue ice areas on Brimstone Peak (75.888S 158.55E) in East Antarctica. Tephra samples were collected ...


47. Blue Ice Tephra II - Mt. DeWitt [NSIDC-0115]
This data set is the result of a study of volcanic ash and rock fragment (tephra) layers in exposed blue ice areas on Mt. DeWitt, Antarctica (77.12 deg S, 159.51 deg E). Tephra samples were collected ...


48. Carbon-Isotopic Composition of Atmospheric CO2 since the Last Glacial Maximum [NSIDC-0108]
These data describe the concentration and carbon-isotopic composition (d13CO2) of atmospheric CO2 from air trapped in ice between 27,000 and 1,300 years before present from Taylor Dome, Antarctica. ...


49. Concentration and Isotopic Composition of O2 and N2 in Trapped Gases of the Vostok Ice Core [NSIDC-0107]
These data describe the d18O of O2, d15N of N2, d18Oatm, and O2/N2 ratios of trapped gases in the Vostok ice core from East Antarctica. The investigator used a mass spectrometer to measure gas concentrations ...


50. DISP Yearly Satellite Photographic Mosaics of Greenland 1962-1963 [NSIDC-0118]
The Declassified Intelligence Satellite Photographs (DISP) Yearly Satellite Photographic Mosaics of Greenland are composites of black-and-white photographs of Greenland taken from American satellites ...


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