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1. Daily Soil Temperature and Meteorological Data for Sites at Toolik Lake Alaska [GGD906]
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 ...


2. Active layer and permafrost properties, including snow depth, soil temperature, and soil moisture, Barrow, Alaska [GGD222]
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, ...


3. Alaskan Air, Ground, Snow, and Soil Temperatures, 1998-2001 [ARCSS903]
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 ...


4. Elevated Soil Temperature and Water Table Manipulation Data from Barrow, Alaska, 1999-2001 [ARCSS905]
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 ...


5. Air Temperature and Thaw Depth, North Slope, Alaska: Field Measurements (1995-97) and Computed Values [ARCSS040]
This data product contains field data measurements of air temperatures and thaw depth (active-layer thickness) measured at locations in north-central Alaska, and modelled values of air temperatures ...


6. Air and Soil Temperatures from Sites in Alaska 1995-2001 [ARCSS907]
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 ...


7. Alaska North Slope (Sagavanirktok River) Meteorological Data, 1994 and 1995 [ARCSS002]
Meteorological, soil and vegetation data were collected in 1994 and 1995 from a site adjacent to the Sag River (Slope Mountain) Alaska Department of Transportation Maintenance Camp at mile 306 on ...


8. Borehole Temperatures from the North Slope of Alaska, 1977-2003 [ARCSS034]
This data set contains temperatures collected from boreholes on the North Slope of Alaska at 23 sites between 1977 and 2003. Most data fall into a date range of 1983-2003. The data consist of manually ...


9. Climate Data from Barrow and Atqasuk, Alaska, 1995-2001 [ARCSS908]
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, ...


10. Climate and Flux Data from Alaska Sites, 1998-2000 [ARCSS904]
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 ...


11. Daily Air and Active Layer Temperatures From Permafrost Observatories in Alaska, 1986-2001 [ARCSS106]
This data set contains air and soil temperatures collected from eight sites in Alaska between 1986 and 2001. The data were obtained by remote, battery-powered, computer-controlled automatic temperature ...


12. East Siberian Air, Ground Temperature, and Snow Depth Measurements, 1882-1994 [ARCSS902]
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 ...


13. GIS Data from the Alaska North Slope [ARCSS017]
This data set includes ArcInfo-formatted maps of the Kuparuk River Basin Region of the Alaskan North Slope (at 1:250,000 scale) and five subset study areas: the Upper Kuparuk River Basin Subregion ...


14. Glacial Geology Map of the Toolik Lake and Upper Kuparuk River Region, Alaska [ARCSS117]
This data set consists of a digital glacial geology map of the Toolik and upper Kuparuk River region, Alaska, USA. The map covers a 740 km² area on Alaska's North Slope, in the northern foothills ...


15. Global Seasonal Snow Classification System [ARCSS045]
The data file defines a global seasonal snow classification system. Based on the physical properties of the snow (depth, density, thermal conductivity, number of layers, degree of wetting, etc.), ...


16. Global Snow-Water-Equivalent Depth Coefficient-of-Variation Classification [ARCSS138]
This data set provides a global distribution of nine subgrid snow-depth-variability categories and a coefficient of variation applicable to each category, as the result of the Subgrid SNOW Distribution ...


17. LAII Alaska Landscape Flux Survey NOAA/ATDD Long-EZ Aircraft Data [ARCSS051]
The data in the aircraft portion of the Land Atmosphere Ice Interaction (LAII) Alaska Landscape Flux Survey (ALFS) were collected in June 1994, June 1995, August 1995, and June 1996. The object of ...


18. Land-Cover Map of the North Slope of Alaska [ARCSS020]
This ARC/INFO map provides a spatially explicit representation of the nature and distribution of land cover and tundra types on the North Slope of Alaska. This was done in support of extrapolating ...


19. Long Term Ecological Research (LTER) Site Data, North Slope of Alaska [ARCSS010]
As part of the Arctic Long Term Ecological Research (ARC LTER) project, numerous investigators have collected diverse environmental data from sites in the northern foothills of Alaska's Brooks Range. ...


20. Meteorological and Hydrographic Data, Kuparuk River Watershed [ARCSS015]
The data files in this data set contain climate and hydrographic information from sites on the North Slope of Alaska from 1985 to 2001. The variables collected were temperature, humidity, wind speed ...


21. Meteorological, Radiation, Soil, and Snow Data from Alaska Sites, 1998-2002 [ARCSS901]
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 ...


22. Methane Flux Measurements, Happy Valley, AK, 1994 [ARCSS108]
This data set contains CH4 (methane) flux and related measurements taken at the Happy Valley Flux Study Site in northern Alaska during the summer of 1994. Sampling was conducted to test use of a laser ...


23. Model Output from the Marine Biology Laboratory General Ecosystem Model (MBL-GEM) for Toolik Lake, 1921-2144, and the Kuparuk River Basin, 1995 [ARCSS052]
This data set contains model input and output data for four simulations of varying time periods and spatial coverage. The first two simulations are for acidic tussock tundra in the Toolik Lake region ...


24. Preliminary Investigation of Paleoenvironment, Processes, and Carbon Stocks of Drained Thaw-Lake Basins, Arctic Coastal Plain, Alaska [ARCSS089]
This data set contains measurements taken from 78 drained thaw-lake basins on the Arctic Coastal Plain between Barrow and Atqasuk, Alaska. Investigators collected and analyzed sediment cores to determine ...


25. Radiocarbon Dates and Pollen Data, Peterson Erosional Remnant, Arctic Coastal Plain, Alaska [ARCSS136]
This data set consists of pollen data and radiocarbon (14C) dates resulting from microscopic analysis and mass spectrometry of soil cores taken from the Peterson Erosional Remnant, located ...


26. Resource Allocation and Allometry of Plant Growth at Selected Sites in the Arctic: 2003-2005 Growing Seasons [ARCSS164]
This data set consists of seven data files containing measurements from Arctic field sites during the summer months from 5 July 2003 to 5 August 2005 as part of the Land-Atmosphere-Ice Interactions ...


27. Snow Depth Yearly Measurements at Toolik Station 1995-2001 [ARCSS910]
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 ...


28. Snow and Vegetation Measurements from Selected Sites Near Council, Alaska, USA, 2000-2002 [ARCSS119]
A combination of snow depth, snow temperature, snow water equivalent (SWE), and albedo measurements were taken from the spring of 2000 to the fall of 2002 at five sites near Council, Alaska. The sites ...


29. Soil Temperatures for Happy Valley and Barrow, Alaska, USA [ARCSS038]
This data set contains hourly and daily-averaged soil temperatures from Happy Valley and Barrow, Alaska, from 19 August 1993 to 31 August 2004. Data are in comma-delimited or space-delimited ASCII ...


30. Thaw Depth and Vegetation Radiance Measurements, Happy Valley, AK, 1994 [ARCSS103]
This data set contains measurements for permafrost active layer thaw depth and vegetation reflectance (red and near-infrared bandwidths) at the Happy Valley Flux Study Site in northern Alaska during ...


31. Toolik Snowfence Experiment: 1994-2002 Active Layer Depth [ARCSS900]
This data set contains active layer data collected for the Toolik Snowfence Experiment from 1994 to 2002. The Toolik Snowfence Experiment (part of the International Tundra Experiment network) examines ...


32. Monitoring and Manipulation of Tundra Response to Climate Change, Arctic LTER, Toolik Lake, Alaska [ARCSS091]
The investigator has undertaken long-term field experiments and monitoring at the Arctic Long Term Ecological Research (LTER) station, Toolik Lake, Alaska, exploring the effects of climate change ...


33. Terrain and Vegetation of Imnavait Creek, AK: Permanent Plots [ARCSS110]
This data report is a summary of environmental, soil, and vegetation information collected from 73 study plots at the Department of Energy R4D research site, located near Imnavait Creek in northern ...


34. Canadian Transect of Soils and Vegetation for the Circumpolar Arctic Vegetation Map [ARCSS081]
This report summarizes environmental, vegetation, and soil data collected from 116 releves along a 2000-km transect from Amund Ringnes, Axel Heiberg, and Ellesmere Islands in the northern Canadian ...


35. Vegetation and Site Characterization, 1998-99 ATLAS Grid Transect, Northern Alaska [ARCSS084]
This data set comprises the text and data presented in the data report 'A western Alaskan transect to examine interactions of climate, substrate, vegetation, and spectral reflectance: ATLAS grids ...


36. Canopy Foliage Area Index, Toolik Lake, Alaska, 1995 and 1996 [ARCSS058]
Leaf Area Index (LAI) was measured for tundra plots at the Toolik Lake Field Station during the summers of 1995 and 1996. Measurements were made on control plots, plots from which snow was removed, ...


37. Controls on Carbon Flux in Moist Acidic Versus Nonacidic Tundra, Arctic LTER Data [ARCSS090]
In an effort to understand soil effects on carbon flux from moist acidic tundra versus moist non-acidic tundra, the investigators collected soil respiration, soil temperature, soil moisture, thaw ...


38. Model Output from MBL-GEM III for Typical Tussock Tundra in the Kuparuk River Basin, Alaska, 1921-2100 [ARCSS097]
This data set includes output data from the MBL-GEM III model for tussock tundra in the Kuparuk River watershed of Alaska. The model outputs 154 different variables for 123 10 km x 10 km grid cells, ...


39. Model Output from MBL-GEM III for a Typical Tussock-Tundra Hill Slope, 1921-2100 [ARCSS096]
This data set includes output data from the MBL-GEM III model for a typical tussock-tundra hillslope. The model outputs 154 different variables for 20 modeled square-meter plots. Modeled plots ...


40. N-Factor Values and Air and Ground Surface Temperatures, Kuparuk River Basin, Alaska [ARCSS087]
This data set includes ground surface temperatures and air temperatures measured at ten study plots within the Kuparuk River basin of north-central Alaska. Computed thaw-season 'n-factor' values are ...


41. Snow Depth Measurements from Barrow, Alaska, 1994 [ARCSS037]
This data set contains snow depth measurements (cm) taken at the ARCSS 1-m grid near Barrow, Alaska, on May 8, 1994. A grid spacing of 100 m was marked with wooden stakes. Snow pack depth was then ...


42. Soil Descriptions and Soil Chemistry for LAII/ATLAS Winter Carbon Flux Sites, Alaska, 1992 and 1998-2000 [ARCSS074]
Soil profiles at 27 sites in northern Alaska were described and classified in order to provide baseline soils data for ARCSS/LAII/ATLAS (Arctic Transitions in the Land-Atmosphere System) Winter Carbon ...


43. Terrain and Vegetation of Imnavait Creek, AK: Toposequence Study [ARCSS111]
This data report is a summary of environmental, soil, and vegetation information collected from 23 study plots at the Department of Energy R4D research site, located near Imnavait Creek in northern ...


44. Happy Valley Permanent Vegetation Plots [ARCSS083]
This data set includes environmental, soil, and vegetation information collected from 55 relev?? plots at the Happy Valley research site along the Sagavanirktok River in northern Alaska. To complement ...


45. ARCSS-LAII 1996 Aircraft Radiometric Data [ARCSS009]
During the summer of 1996, radiometric data over the Kuparuk River basin on the North Slope of Alaska were collected using the NOAA Long-EZ and Cessna 206 light aircraft. The area covered runs from ...


46. Active Layer Depth and Snow Depth, Kuparuk Basin, 1995 [ARCSS033]
Active layer and snow depths were measured on 1-km x 1-km grids within the Kuparuk Basin, Alaska, at various times throughout the summer of 1995. The parameters were measured at 121 surveyed grid ...


47. Large Area Estimates of Carbon Fluxes of Arctic Landscapes [ARCSS022]
Net CO2, evapotranspiration, and energy exchange were measured during 1998-2001 in wet-moist coastal sedge tundra (Barrow: 71 degrees 21 minutes north, 156 degrees 37 minutes west) and moist-wet ...


48. Meteorology, Vegetation, Radiation, Microtopography, and Thaw Depth Data, Alaska, 1995-1996 [ARCSS012]
Data include temperature, relative humidity, long- and short-wave radiation, photosynthetically active radiation (PAR), leaf area index (LAI), microtopography, and thaw depth data for study sites ...


49. Model Output From the 'Frost Index' Permafrost Model: Variations in Circumpolar Frozen Ground Conditions and Modeled Future Conditions [ARCSS050]
This data set contains permafrost distribution maps, active-layer thickness maps, and hazard-potential maps constructed using results from the 'frost index' permafrost model (Nelson and Outcalt, 1987) ...


50. Soil Temperatures, Toolik Lake, Alaska, 1995 and 1996 [ARCSS057]
Soil temperatures were measured at the Toolik Lake Field Station during the summers of 1995 and 1996. Measurements were made on control plots, plots from which snow was removed, and plots from which ...


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