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1. Active layer and permafrost properties, including snow depth, soil temperature, and soil moisture, Barrow, Alaska, Version 1 [GGD222_1]
This data set contains soil temperature, soil moisture, thaw depth, and snow depth data collected at test sites near Barrow, Alaska, during the following years. Soil temperature data - 1963-1966, ...

2. Active layer physical processes at Broeggerhalvoya, western Spitsbergen, Version 1 [GGD239_1]
These data have been collected from an Arctic desert site (latitude 78o57'29N, longitude 12o27'42E), Broeggerhalvoya in western Spitsbergen, 10 km NW from Ny Alesund, 45 m above sea level, 2 km ...

3. Active layer thickness and ground temperatures, Svea, Svalbard, Version 1 [GGD249_1]
Snow and soil temperature records for January 1988 - May 1996 are presented. Included are snow depth and weight measurements, snow density (calculated), active layer depth in the frost tubes, weight ...

4. Active-Layer and Permafrost Temperatures, Sisimiut (Holsteinsborg), Greenland, Version 1 [GGD23_1]
This data set contains active-layer and permafrost temperatures from Sisimiut, west Greenland, recorded from 18 sensors at depths of 0.25 m, 0.5 m, 0.75 m, 1 m, 1.25 m, 1.5 m, 1.75 m, 2 m, 2.5 m, ...

5. Active-Layer and Permafrost Temperatures, Soendre Stroemfjord, Greenland, Version 1 [GGD632_1]
This data set contains active-layer and permafrost temperatures from two stations in Soendre Stroemfjord, Greenland. Snow depth and snow extent were also recorded. Thermometers at Station A (67 deg ...

6. Annual Thaw Depths and Water Depths in Tanana Flats, Alaska, Version 1 [GGD623_1]
Thaw depths and water depths were monitored at 1 m to 2 m intervals along a 255-m transect across an area of discontinuous and degrading permafrost on the Tanana Flats south of Fairbanks, Alaska. ...

7. Annual Thaw Depths in Illisarvik, Northwest Territories, Version 1 [GGD642_1]
Thaw-depth data were collected annually in August from 21 August 1979 to 18 August 1999, from 400-m, 600-m, and tundra transects at Illisarvik lake, Richards Island, Northwest Territories, Canada. ...

8. Arctic Sea Ice Seasonal Change and Melt/Freeze Climate Indicators from Satellite Data, Version 1 [NSIDC-0747_1]
The product contains melt-season indicators that can be used to delineate various stages in the summer melt and freeze-up period of sea ice. The data were primarily derived using Sea Ice Concentration ...

9. Borehole locations and permafrost depths, Alaska, USA, Version 1 [GGD223_1]
The methods utilized by the U.S. Geological Survey to measure subsurface temperatures have evolved considerably over the years. Although some of the early measurements were obtained using thermistor ...

10. Borehole permafrost data, Kumtor and Taragai Valleys, Tienshan, Kazakhstan, Version 1 [GGD499_1]
This dataset includes observations of the permafrost temperatures in the Inner Tien Shan were started in 1986 by Kazakhstan Alpine Permafrost Laboratory. Observations are carried out on more than ...

11. Borehole temperatures from mountain permafrost monitoring, Mongolia, Version 1 [GGD332_1]
Location and description of some geocryological boreholes in Mongolia. Data include latitude, longitude, location, depth of permafrost top and bottom, and mean annual soil temperature. These data ...

12. Boreholes and temperature logs from the Tibetan Plateau and Northeast China, Version 1 [GGD700_1]
Four groups of borehole data from the Qinghai-Xizang (Tibet) Plateau are presented. 1) Boreholes at three sites, with sand surface, natural surface, and near a sand dune, at 66 Road Station - 1994 ...

13. CLPX-Ground: Ground Based Passive Microwave Radiometer (GBMR-7) Data, Version 1 [NSIDC-0165_1]
This data set contains brightness temperature observations of the snow cover at the Local Scale Observation Site (LSOS) of the Cold Land Processes Field Experiment (CLPX) in Fraser, Colorado, USA.

14. CLPX-Ground: Ground-based L and Ku band polarimetric scatterometry, Version 1 [NSIDC-0166_1]
This data set includes ground-based radar observations carried out at the Fraser Experimental Forest Headquarters, Colorado, USA.

15. CLPX-Ground: ISA Snow Depth Transects and Related Measurements, Version 2 [NSIDC-0175_2]
This data set consists of snow depth data from nine study areas, within three larger-scale areas in northern Colorado (Fraser, North Park, and Rabbit Ears Meso-cell Study Areas (MSAs)). The study ...

16. CLPX-Ground: ISA Snow Pit Measurements, Version 2 [NSIDC-0176_2]
This data set consists of snow pit data from nine study areas, within three larger-scale areas in northern Colorado (Fraser, North Park, and Rabbit Ears Meso-cell Study Areas (MSAs)). The study areas ...

17. CLPX-Ground: Micrometeorological Data at the Local Scale Observation Site (LSOS), Version 1 [NSIDC-0168_1]
This data set includes two sets of soil temperature profiles, two sets of soil moisture profiles, two sets of soil heat flux profiles (in dense pine and open pine areas), and one set of a snow temperature ...

18. CLPX-Ground: Snow Measurements at the Local Scale Observation Site (LSOS), Version 1 [NSIDC-0169_1]
This data set presents snow depth, snow water equivalence (SWE), snow wetness data, and snow pit data from two pine sites and a small clearing at the Local Scale Observation Site (LSOS) of the Cold ...

19. CLPX-Model: Rapid Update Cycle 40km (RUC-40) Model Output Reduced Data, Version 1 [NSIDC-0211_1]
The Rapid Update Cycle, version 2 at 40km (RUC-2, known to the Cold Land Processes community as RUC40) model is a Mesoscale Analysis and Prediction System (MAPS) data set that uses the Model Output ...

20. CLPX-Satellite: MODIS Radiances, Reflectances, Snow Cover and Related Grids, Version 1 [NSIDC-0151_1]
This data set provides Moderate Resolution Imaging Spectroradiometer (MODIS) data as part of the Cold Land Processes Field Experiment (CLPX). Parameters include radiances, surface reflectance, snow ...

21. Canadian Geothermal Data Collection: Deep permafrost temperatures and thickness of permafrost, Version 1 [GGD503_1]
Precision temperature measurements have been made in some 150 deep wells and holes drilled in the course of natural resource exploration in the permafrost regions of Northern Canada. In most cases, ...

22. Coordinated Eastern Arctic Experiment (CEAREX) Data, Version 1 [NSIDC-0020_1]
CEAREX was a multi-platform field program conducted in the Norwegian Seas and Greenland north to Svalbard from September 1988 through May 1989. Canada, Denmark, France, Norway and the United States ...

23. Cryosolic pedons from Northern Canada, Version 1 [GGD311_1]
Pedons included here represent Cryosolic (permafrost-affected) soils from across the Canadian North from Baffin Island in the east, to the lower Mackenzie Valley and northern Yukon in the west, and ...

24. DISP Yearly Satellite Photographic Mosaics of Greenland 1962-1963, Version 1 [NSIDC-0118_1]
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 ...

25. DMSP-F8 SSM/I Pathfinder Land Surface Products, Version 1 [NSIDC-0042_1]
The Pathfinder Program, sponsored by the National Oceanic and Atmospheric Administration (NOAA) and the National Aeronautics and Space Administration (NASA), is tasked to produce long-term data sets ...

26. Daily Soil Temperature and Meteorological Data for Sites at Toolik Lake Alaska, Version 1 [GGD906_1]
This data set consists of daily air, water, and soil temperature, wind speed, vapor pressure, and the sum of global radiation and unfrozen precipitation data from the Toolik Lake area of Alaska between ...

27. Elevation Change of the Southern Greenland Ice Sheet from 1978-88, Version 1 [NSIDC-0223_1]
Southern Greenland ice sheet elevation change estimates are derived from SEASAT and GEOSAT radar altimetry data from 1978 to 1988. Data are confined to 61-72 deg N, 30-50 deg W, above 1700 m elevation. ...

28. GEOSAT Radar Altimeter DEM Atlas of Antarctica North of 72.1 degrees South, Version 1 [NSIDC-0075_1]
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 ...

29. Global Annual Freezing and Thawing Indices, Version 1 [NSIDC-0063_1]
The total annual freezing and thawing indices are defined as the cumulative number of degree-days when air temperatures are below and above zero degrees Celsius. The total annual freezing index has ...

30. Greenland 5 km DEM, Ice Thickness, and Bedrock Elevation Grids, Version 1 [NSIDC-0092_1]
A Digital Elevation Model (DEM), ice thickness grid, and bedrock elevation grid of Greenland acquired as part of the PARCA program are available in ASCII text format at a 5 km grid spacing in a polar ...

31. Ground temperatures in ice-cemented ground at Linnaeus Terrace, Dry Valleys, Antarctica, Version 1 [GGD6_1]
Soil temperatures were measured with Campbell 107 soil thermistors. Thermistors were placed at 0, 17, 23 (just above the ice-cemented permafrost) and 40 cm depth. To emplace the sensors, first a soil ...

32. Ground temperatures, Liefdefjord, northwest Svalbard, Version 1 [GGD416_1]
This dataset includes ground temperature data from coarse morainal (till) soil in a tundra area, on a 2-degree slope with rapid drainage, 45 m asl, at an undisturbed site with about 10 percent vegetation ...

33. Ice Draft and Ice Velocity Data in the Beaufort Sea, 1990-2003, Version 1 [G02177_1]
This data set provides measurement of sea ice draft (m) and the movement of sea ice (cm/s) over the continental shelf of the Eastern Beaufort Sea. The data set spans April 1990 to September 2003. ...

34. Inventory of Rock Glaciers along the Ghunsa Valley, Kanchanjunga Himal, Eastern Nepal, Version 1 [GGD610_1]
This dataset provides information on a number of Nepali rock glaciers distributed above 4250 m ASL along the Ghunsa valley and the Kanchanjunga glacier (originating from the summit of Mt. Kanchanjunga, ...

35. Landsat 8 Ice Speed of Antarctica (LISA), Version 1 [NSIDC-0733_1]
This data set is a compilation of Antarctic ice flow velocity mappings generated from pairs of panchromatic images acquired by the Operation Land Imager (OLI) aboard the Landsat 8 satellite. This ...

36. Map of Natural (Landscape) and Permafrost Zones and the Net of Soil Temperature Meteorological Stations in Russia and Middle Asian Mountains, Version 1 [GGD618_1]
This data set is a vector coverage of the Map of Natural Landscape and Permafrost Zones and the Net of Soil Temperature Meteorological Stations in Russia and Middle Asian Mountains (scale 1:4000000), ...

37. Maps of Geocryological Regions and Classifications in China, Version 1 [GGD603_1]
This data set includes digital versions of 'The Map of Geocryological Regionalization and Classification in China' from Geocryology in China by Y. Zhou, D. Guo, G. Qiu, G. Cheng, and S. Li. Included ...

38. Meteorology and soil temperatures, Hot Weather Creek, Ellesmere Island, NWT, Canada, Version 1 [GGD220_1]
The instrumentation was installed in June 1988 and was initially maintained by the Arctic Adaptation Division Canadian Climate Centre, Atmospheric Environment Service (CCC/AES) with field support ...

39. Modeled Daily Thaw Depth and Frozen Ground Depth, Version 1 [GGD619_1]
This data set contains modeled daily thaw depth and freezing depth for the Arctic terrestrial drainage basin. Thaw and freezing depths were calculated over the study area with a resolution of 25 km ...

40. Monthly Summaries of Soil Temperature and Soil Moisture at Oil Contamination Sites in Antarctica, Version 1 [GGD626_1]
To determine the effects of oil spills on soil temperature and moisture, soil climate stations were built at existing contamination sites -- Scott Base, Marble Point, Bull Pass, and nearby control ...

41. Monthly Summaries of Soil Temperature and Soil Moisture at Sites in Alaska, Version 1 [GGD624_1]
This data set contains soil temperature and soil moisture from 17 sites in Alaska. Temporal coverage varies by station; the earliest record is from September 1995, and the latest is from August 2001. ...

42. Monthly Summaries of Soil Temperature and Soil Moisture in China, Version 1 [GGD625_1]
This data set contains soil temperature and soil moisture data from nine sites in China. Temporal coverage varies by station; the earliest record is from June 1998, and the latest is from May 2002. ...

43. Monthly Summaries of Soil Temperature and Soil Moisture in Mongolia, Version 1 [GGD627_1]
This data set contains soil temperature and soil moisture data from the Delger (White Bloom) site in Mongolia. Other variables include wind speed, wind direction, relative humidity, air temperature, ...

44. Nenana Ice Classic: Tanana River Ice Annual Breakup Dates, Version 1 [NSIDC-0064_1]
The Tanana 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 ...

45. 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 ...

46. 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 ...

47. 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, ...

48. Paleo-periglacial phenomena in Northwestern Europe, Version 1 [GGD248_1]
This data set includes site descriptions of paleoperiglacial features and related paleoclimatic data for Europe, including radiocarbon dating. Data have been extracted from literature published between ...

49. Permafrost Map for Northwestern Canada (Mackenzie Region), Version 1 [GGD630_1]
The Permafrost Map for Northwestern Canada (Mackenzie Region) is a digital version of the 1:1,000,000 map produced by Heginbottom and Radburn [Heginbottom, J.A. and Radburn, L.K. (compilers) 1992. ...

50. Permafrost Map of Alaska, USA, Version 1 [GGD320_1]
This data set consists of a geo-referenced digital map and attribute data derived from the publication 'Permafrost map of Alaska'. The map is presented at a scale of 1 to 2,500,000 and shows the correlation ...

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