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1. 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, ...


2. 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 ...


3. 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 ...


4. 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 ...


5. 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 ...


6. 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.), ...


7. 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 ...


8. 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 ...


9. 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 ...


10. 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 ...


11. 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 ...


12. 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 ...


13. 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 ...


14. 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 ...


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


16. 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 ...


17. 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 ...


18. 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 ...


19. 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 ...


20. 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) ...


21. Terrain and Vegetation of Imnavait Creek, AK: Classification and Mapping [ARCSS112]
Investigators classified typical and characterisic vegetation communities in an area in northern Alaska using Braun-Blanquet sorted table analysis, and mapped the communities using integrated geobotanical ...


22. Terrain and Vegetation of Toolik Lake, AK: Permanent Plots [ARCSS018]
This data set is a summary of environmental, soil, and vegetation information collected from 81 study plots at the Toolik Lake research site in northern Alaska. Data include site factors, soil classification, ...


23. Air and Ground Surface Temperatures From the Kuparuk Basin, Alaska, 1994-1996 [ARCSS001]
Air and ground surface temperatures from 31 sites in the Kuparuk Basin, Alaska, between 1994 and 1996, were measured using inexpensive miniature data loggers and a simplified instrument mounting system. ...


24. Eddy Flux Data, Alaska North Slope, 1994-1996 [ARCSS007]
Eddy flux data were recorded at Happy Valley, Sagwon, and Toolik Lake from 1994 to 1996. An entire suite of meteorological parameters were recorded, including atmospheric temperature, pressure, mass ...


25. Methane Flux Data, Alaska North Slope, 1994-1996 [ARCSS013]
Methane fluxes, along with air and soil temperatures were collected at Happy Valley and Toolik Lake ARCSS/LAII study sites during the summers of 1994 and 1995. The data were collected at varied times ...


26. Soil Properties of Carbon-Flux Monitoring Sites in Northwestern Alaska [ARCSS004]
This data set includes basic soils data collected in summer 1995 for ten ARCSS/LAII (Arctic System Science/Land-Atmosphere-Ice Interaction) carbon-flux monitoring sites, and several related sites, ...


27. Permafrost and Snow Depth Data from Barrow, Alaska [ARCSS036]
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, ...


28. Computed Thaw Depth Data, Kuparuk Basin, Alaska, 1995 [ARCSS035]
Cumulative thawing degree-day data were computed from data collected during the 1995 field season at Kuparuk Basin, Alaska. The air temperatures (thawing degree-day sums) from the 10 ARCSS/LAII 1-km ...


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