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WDC for Glaciology, Boulder Facilitating the international exchange of snow and ice data

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FREEZE/THAW

• Active Layer Monitoring, Arctic and Subarctic Canada
• Arctic Soil Freeze/Thaw Status from SMMR and SSM/I, Version 2
• Circumpolar Active-Layer Permafrost System (CAPS)
• Global Lake and River Ice Phenology Database
• Modeled Daily Thaw Depth and Frozen Ground Depth
• Russian River Ice Thickness and Duration
• Seasonal frost and soil temperature data, Western Cape Mountains, South Africa
• Seasonal frost depths, midwestern USA
• Seasonal frost penetration, Sleepers River Research Watershed, Vermont, USA
• The English Language Edition of the Geocryological Map of Russia and Neighboring Republics
• Upper soil temperatures in the Kolyma Highland

FROST

• Circumpolar Active-Layer Permafrost System (CAPS)

ICE DEPTH/THICKNESS

• Snow Depth Yearly Measurements at Toolik Station 1995-2001

ICE EXTENT

• AARI 10-Day Arctic Ocean EASE-Grid Sea Ice Observations
• Arctic and Southern Ocean Sea Ice Concentrations

LAKE ICE

• Global Lake and River Ice Phenology Database
• Great Lakes Daily Ice Observations at NOAA Water Level Gauge Sites

PERMAFROST

• Active Layer Monitoring, Arctic and Subarctic Canada
• Borehole and environmental protection descriptive and numerical data, Yamal Peninsula, Russia
• Borehole temperatures from mountain permafrost monitoring, Mongolia
• Catalog of boreholes from Russia and Mongolia
• Circumpolar Active Layer Monitoring (CALM) Program Network
• Circumpolar Active-Layer Permafrost System (CAPS)
• Digital Geotechnical Database for the Mackenzie Valley/Delta Region
• Ground Temperatures from Deep Boreholes in the Ob River Valley, Russia (VK-1615 and ZS-124/124a)
• Land Resources of Russia -- Maps of Soil Characteristics
• Map of Natural (Landscape) and Permafrost Zones and the Net of Soil Temperature Meteorological Stations in Russia and Middle Asian Mountains
• Maps of Geocryological Regions and Classifications in China
• Northern Circumpolar Soils Map
• Permafrost Map of Alaska, USA
• Permafrost, palsas and frost-crack polygons, Salluit, Quebec, Canada
• The English Language Edition of the Geocryological Map of Russia and Neighboring Republics

RIVER ICE

• Global Lake and River Ice Phenology Database
• Russian River Ice Thickness and Duration

SNOW COVER

• Central Asian Snow Cover from Hydrometeorological Surveys, 1932-1990
• Estonian Mean Snow Depth and Duration (1891-1994)
• Former Soviet Union Hydrological Snow Surveys, 1966-1996
• Historical Soviet Daily Snow Depth Version 2 (HSDSD)
• Rand Corporation Mean Monthly Global Snow Depth
• Western Italian Alps Monthly Snowfall and Snow Cover Duration

SNOW DENSITY

• Active layer thickness and ground temperatures, Svea, Svalbard
• Central Asian Snow Cover from Hydrometeorological Surveys, 1932-1990
• Former Soviet Union Hydrological Snow Surveys, 1966-1996

SNOW DEPTH

• Active layer and permafrost properties, including snow depth, soil temperature, and soil moisture, Barrow, Alaska
• Active Layer Monitoring, Arctic and Subarctic Canada
• Active layer thickness and ground temperatures, Svea, Svalbard
• Central Asian Snow Cover from Hydrometeorological Surveys, 1932-1990
• Estonian Mean Snow Depth and Duration (1891-1994)
• Former Soviet Union Hydrological Snow Surveys, 1966-1996
• Historical Soviet Daily Snow Depth Version 2 (HSDSD)
• Rand Corporation Mean Monthly Global Snow Depth
• Seasonal and annual dynamics of frozen ground, central highland of Iceland
• Seasonal frost penetration, Sleepers River Research Watershed, Vermont, USA
• Snow Depth Yearly Measurements at Toolik Station 1995-2001
• Soil temperatures at South Royalton, Vermont, USA
• Upper soil temperatures in the Kolyma Highland
• Western Italian Alps Monthly Snowfall and Snow Cover Duration

SNOW WATER EQUIVALENT

• Active layer thickness and ground temperatures, Svea, Svalbard
• Central Asian Snow Cover from Hydrometeorological Surveys, 1932-1990
• Former Soviet Union Hydrological Snow Surveys, 1966-1996
• Meteorological and Hydrographic Data, Kuparuk River Watershed

SNOW/ICE TEMPERATURE

• Active layer and borehole temperatures from La Foppa rock glaciers, Val Vallaccia, Central Italian Alps
• Meteorological and Hydrographic Data, Kuparuk River Watershed
• Rock glacier inventory, Hautes Alpes Calcaires, Switzerland
• Rock glacier inventory, Printse Valley, Valais, Switzerland
• Rock glaciers in the Pyrenees, Spain and France
• Rock glaciers, Entremont, Valais, Switzerland

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