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1. AVHRR Leads-ARI Polar Gridded Brightness Temperatures, Version 1 [NSIDC-0026_1]
This data set consists of AVHRR imagery selected from hard copy 'quick look' images to provide the best coverage possible over the Arctic approximately every three days for a three-year period. Level-1B ...


2. Arctic Ocean Drift Tracks from Ships, Buoys, and Manned Research Stations, 1872-1973, Version 1 [G01358_1]
Thirty-four drift tracks in the Arctic Ocean pack ice are collected in a unified tabular data format, one file per track. Data are from drifting ships, manned research stations on ice floes (ice islands) ...


3. Arctic and Southern Ocean Sea Ice Concentrations, Version 1 [G00799_1]
This data set provides monthly sea ice concentration for the Arctic from 1901 to 1995 and for the Southern Oceans from 1973 to 1990 on a standard 1-degree grid (cylindrical projection) to provide ...


4. Circum-Arctic Map of Permafrost and Ground-Ice Conditions, Version 1 [GGD318_1]
The Circum-Arctic permafrost and ground ice map is available via ftp in ESRI Shapefile format and Equal-Area Scalable Earth Grid (EASE-Grid) format. See the Format section for an explanation of the ...


5. Circum-Arctic Map of Permafrost and Ground-Ice Conditions, Version 2 [GGD318_2]
The Circum-Arctic permafrost and ground ice map is available via ftp in ESRI Shapefile format and Equal-Area Scalable Earth Grid (EASE-Grid) format. See the Format section for an explanation of the ...


6. DMSP-F8 SSM/I Pathfinder Global Level 2 Sea Ice Concentrations, Version 1 [NSIDC-0028_1]
These sea ice concentrations have been generated by applying the NASA Team algorithm to DMSP F8 SSM/I brightness temperature observations from 19 GHz (vertical and horizontal), 37- and 22 GHz vertical ...


7. Environmental Working Group Joint U.S.-Russian Arctic Sea Ice Atlas, Version 1 [G01962_1]
Note: The Russian chart component of this product has been replaced and updated by Sea Ice Charts of the Russian Arctic in Gridded Format, ...


8. Greenland Snow Pit and Core Stratigraphy (Analog and Digital Formats), Version 1 [G10004_1]
This data set is comprised of scientific field study notebooks from geologist Carl S. Benson describing his traverses of Greenland from 1952 to 1955. The notebooks contain data on Greenland snow accumulation, ...


9. MEaSUREs Greenland Annual Ice Sheet Velocity Mosaics from SAR and Landsat, Version 1 [NSIDC-0725_1]
This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, contains annual ice velocity mosaics for the Greenland Ice Sheet derived from ...


10. NOAA/NMC/CAC Arctic and Antarctic Monthly Sea Ice Extent, 1973-1990, Version 1 [G00917_1]
Sea ice extent from January 1973 through August 1990 was digitized from weekly operational sea ice charts produced by the Navy/NOAA Joint Ice Center. Charts were digitized by hand using a 1 degree ...


11. NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 1 [G02202_1]
Note: If necessary, Version 1 can be accessed by contacting the NCDC service desk at ncdc.orders@noaa.gov. However, we highly suggest using the latest ...


12. NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 2 [G02202_2]
This data set has been replaced with a newer version. Note: If necessary, Version 2 can be accessed by contacting NSIDC Users Services at nsidc@nsidc.org. However, we highly suggest using the latest ...


13. NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 3 [G02202_3]
This data set provides a Climate Data Record (CDR) of sea ice concentration from passive microwave data. The CDR algorithm output is a rule-based combination of ice concentration estimates from two ...


14. Near-Real-Time DMSP SSMIS Daily Polar Gridded Sea Ice Concentrations, Version 1 [NSIDC-0081_1]
This data set provides a Near-Real-Time (NRT) map of sea ice concentrations for both the Northern and Southern Hemispheres.


15. Near-Real-Time NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 1 [G10016_1]
This data set provides a near-real-time Climate Data Record (CDR) of sea ice concentration from passive microwave data. The Near-real-time NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice ...


16. Nimbus-5 ESMR Polar Gridded Sea Ice Concentrations, Version 1 [NSIDC-0009_1]
Daily and monthly averaged sea ice concentrations from the Nimbus-5 Electrically Scanning Microwave Radiometer (ESMR) are available for the Arctic and Antarctic from 12 December 1972 through 31 December ...


17. Nimbus-7 SMMR Derived Monthly Global Snow Cover and Snow Depth, Version 1 [NSIDC-0024_1]
The data set consists of monthly global snow cover and snow depth derived from Nimbus-7 SMMR data for 1978 through 1987. The SMMR data are interpolated for spatial and temporal gaps, and averaged ...


18. Nimbus-7 SMMR Polar Gridded Radiances and Sea Ice Concentrations, Version 1 [NSIDC-0007_1]
This data set contains gridded brightness temperatures and sea ice concentrations for both polar regions. Brightness temperature and sea ice concentration grids have 25 x 25 km grid elements in polar ...


19. Northern Circumpolar Soils Map, Version 1 [GGD602_1]
This data set consists of a circumpolar map of dominant soil characteristics, with a scale of 1:10,000,000, covering the United States, Canada, Greenland, Iceland, northern Europe, Russia, Mongolia, ...


20. Norwegian North Polar Expedition 1893-1896: Oceanographic Data, Version 1 [G02120_1]
This data set contains water depth, temperature, specific gravity, salinity, and density measurements from the North Polar Basin and the Barents Sea, gathered by Nansen and crew on the Norwegian North ...


21. Polar Pathfinder Daily 25 km EASE-Grid Sea Ice Motion Vectors, Version 2 [NSIDC-0116_2]
Daily ice motion vectors are computed from a wide variety of sensors ranging from passive microwave radiometers, such as the Scanning Multichannel Microwave Radiometer (SMMR), to International Arctic ...


22. Polar Pathfinder Daily 25 km EASE-Grid Sea Ice Motion Vectors, Version 3 [NSIDC-0116_3]
This data set provides daily sea ice motion vectors derived from a wide variety of sensors in both gridded and non-gridded (raw) files. For the gridded data, weekly and monthly mean fields are also ...


23. RAMP AMM-1 SAR Image Mosaic of Antarctica, Version 2 [NSIDC-0103_2]
The mosaic provides a detailed look at ice sheet morphology, rock outcrops, research infrastructure, the coastline, and other features of Antarctica, as well as representing calibrated radar backscatter ...


24. Radarsat Antarctic Mapping Project Digital Elevation Model, Version 2 [NSIDC-0082_2]
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.


25. SHEBA Reconnaissance Imagery, Version 1 [G02180_1]
This data set consists of optical band reconnaissance imagery of the Surface Heat Balance of the Arctic (SHEBA) site acquired between August 1997 and October 1998. The images cover a variable area ...


26. Sea Ice Melt Pond Data from the Canadian Arctic, Version 1 [G01169_1]
This data set contains observations of albedo, depth, and physical characteristics of melt ponds on sea ice, taken during the summer of 1994. The melt ponds studied were located just south of Cornwallis ...


27. Sea Ice Trends and Climatologies from SMMR and SSM/I-SSMIS, Version 2 [NSIDC-0192_2]
NSIDC provides this data set to aid in the investigations of the variability and trends of sea ice cover. Ice cover in these data are indicated by sea ice concentration: the percentage of the ocean ...


28. Sea Ice Trends and Climatologies from SMMR and SSM/I-SSMIS, Version 3 [NSIDC-0192_3]
NSIDC provides this data set to aid investigations of variability and trends in sea ice cover. Ice cover in these data are indicated by sea ice concentration: the percentage of the ocean surface covered ...


29. Snow Melt Onset Over Arctic Sea Ice from SMMR and SSM/I-SSMIS Brightness Temperatures, Version 3 [NSIDC-0105_3]
This data set includes yearly snow melt onset dates over Arctic sea ice derived from brightness temperatures from the Scanning Multichannel Microwave Radiometer (SMMR), the Special Sensor Microwave/Imager ...


30. The Dehn Collection of Arctic Sea Ice Charts, 1953-1986, Version 1 [G01111_1]
The National Snow and Ice Data Center holds a collection of charts depicting ice conditions in the seas off Alaska and western Canadian coasts. Ice edge position and some ice concentration and other ...


31. AMSR-E/AMSR2 Unified L3 Daily 12.5 km Brightness Temperatures, Sea Ice Concentration, Motion & Snow Depth Polar Grids V001 [AU_SI12_1]
The AMSR-E/AMSR2 Unified Level-3 12.5 km product provides brightness temperatures, sea ice concentration, and snow depth over sea ice for the Northern and Southern Hemisphere, as well as sea ice motion ...


32. AMSR-E/AMSR2 Unified L3 Daily 25 km Brightness Temperatures & Sea Ice Concentration Polar Grids V001 [AU_SI25_1]
The AMSR-E/AMSR2 Unified Level-3 25 km product provides sea ice concentration derived from brightness temperatures using the NASA Team 2 (NT2) algorithm for the Northern and Southern Hemisphere. This ...


33. AMSR-E/Aqua Daily L3 12.5 km Brightness Temperature, Sea Ice Concentration, & Snow Depth Polar Grids V003 [AE_SI12_3]
This Level-3 gridded product (AE_SI12) includes brightness temperatures at 18.7 through 89.0 GHz, sea ice concentration, and snow depth over sea ice.


34. AMSR-E/Aqua Daily L3 25 km Brightness Temperature & Sea Ice Concentration Polar Grids V003 [AE_SI25_3]
This Level-3 gridded product (AE_SI25) includes brightness temperatures at 6.9 through 89.0 GHz and sea ice concentrations.


35. AMSR-E/Aqua Daily L3 6.25 km Sea Ice Drift Polar Grids V001 [AE_SID_1]
This product provides 6.25 km sea ice drift grids for the Northern and Southern Hemispheres.


36. Bootstrap Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS V003 [NSIDC-0079_3]
This sea ice concentration data set was derived using measurements from the Scanning Multichannel Microwave Radiometer (SMMR) on the Nimbus-7 satellite and from the Special Sensor Microwave/Imager ...


37. Establishing the Chronology and Histories of Accumulation and Ice Dynamics for the WAIS Divide Core [USAP-0944197_1]
This award supports a project to help to establish the depth-age chronology and the histories of accumulation and ice dynamics for the WAIS Divide ice core. The depth-age relationship and the histories ...


38. MEaSUREs InSAR-Based Antarctica Ice Velocity Map V002 [NSIDC-0484_2]
This data set, as part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program, provides the first comprehensive, high-resolution, digital mosaics of ice motion ...


39. Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data V001 [NSIDC-0051_1]
This data set is generated from brightness temperature data and is designed to provide a consistent time series of sea ice concentrations spanning the coverage of several passive microwave instruments.The ...


40. VIIRS/NPP Ice Surface Temperature 6-Min L2 Swath 750m V001 [VNP30_1]
This data set reports sea ice surface temperature (IST) derived from radiance data acquired by the Visible Infrared Imager Radiometer Suite (VIIRS). Following the approach used by MODIS, the algorithm ...


41. VIIRS/NPP Sea Ice Cover 6-Min L2 Swath 375 m V001 [VNP29_1]
This data set reports the location of sea ice cover derived from radiance data acquired by the Visible Infrared Imager Radiometer Suite (VIIRS). Following the approach used by MODIS, the algorithm ...


42. Aurora Australis Voyage 9 (WOES) 1992-93 Chlorophyll a Data [WOES_Chlorophyll]
This dataset contains chlorophyll a data collected by the Aurora Australis on Voyage 7, 1992-1993 - the WOES (Wildlife Oceanography Ecosystem Survey) cruise. Samples were collected from March-May ...


43. Average sea surface salinity in latitude bands: 40-50 deg S, 50-60 deg S, 60 deg S-continent [SOE_sea_surface_salinity]
This indicator is no longer maintained, and is considered OBSOLETE. INDICATOR DEFINITION Measurements of sea surface salinity in the Southern Ocean. Measurements are averaged over latitude bands: ...


44. Average sea surface temperatures in latitude bands: 40-50 deg S, 50-60 deg S, 60 deg S-continent [SOE_sea_surface_temp]
This indicator is no longer maintained, and is considered OBSOLETE. INDICATOR DEFINITION Measurements of sea surface temperature in the Southern Ocean. Measurements are averaged over latitude bands: ...


45. Band pattern data from Desulfobacula-group specific DGGE for the SRE4 experiment [SRE4_desulfobaculaDGGE]   PARENT DIF
Samples are from the SRE4 experiment - an in situ experiment to determine fate and effects of different types of oils in the Antarctic marine environment. For details see: Powell S.M., Snape I., ...


46. Bathymetry/depth measurements made at Long Fjord, Vestfold Hills by drilling through sea ice [Long_Fjord_Depth_Measurements_2007]
Water depth measurements were taken in Long Fjord during early winter in 2007. The measurements were collected by Graham Cook, station leader at Davis Station in the Australian Antarctic Territory. ...


47. Davis sea ice Nov. 2016 [AAS_4291_2016_seaice]
This data describe a set of sea-ice and seawater physical and biochemical parameters obtained from seawater samples and ice cores drilled from land fast sea ice in the vicinity of Davis Station, East ...


48. Marine water temperatures around Casey station - December 2003 [seawater-temp-casey-Dec03]
Water temperatures were recorded by Tidbit temperature loggers attached to experimental mesocosms suspended below the sea ice at four sites around Casey in summer 2003/04. Data are temperature in ...


49. Nitrogen isotopic compositions of midwater fish, K-Axis voyage of the Aurora Australia, 2016 [AAS_4344_Nitrogen_isotopic_compositions_fish]
Midwater fish nitrogen isotope data from the Kerguelen Axis ecosystem study (AAS_4344): These data are based on samples collected as part of the Kerguelen Axis marine ecosystem study (AAS_4344), ...


50. Particulate carbon export flux layers [Particulate_carbon_export_flux_layers]
These POC export flux maps (units of g C. m-2 day-1) were compiled from Lutz et al. (2007) algorithm, following Woolley et al. (2016) procedure. They were produced after calculation of the Seasonal ...


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