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1. SHEBA Reconnaissance Imagery [G02180]
This data set consists of optical band reconnaissance imagery of the Surface Heat Balance of the Arctic (SHEBA) site acquired between August 1997 and September 1998. The images cover a variable area ...


2. Seawater Chemistry from the North Pole Environmental Observatory, 2000-2005 [ARCSS095]
This data set includes diverse measurements of seawater chemistry along with supplementary conductivity, temperature, depth (CTD); pressure; salinity; potential temperature; and density data from ...


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. 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 ...


5. 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 ...


6. Chemical and Isotopic Tracers from the Arctic Ocean [ARCSS079]
These data are water column and sediment data tabulated in Microsoft Excel spreadsheets. They were largely collected in the Bering and Chukchi Seas, with some coverage for the Beaufort and East Siberian ...


7. Chukchi Sea Hydrographic (CTD) Data from the R.V. Alpha Helix Cruise, September 1996 [ARCSS011]
In an international collaborative effort, Japanese, Russian, and U.S. scientists collected hydrographic CTD (conductivity, temperature, density) samples in the Chukchi Sea north of the Bering Strait ...


8. 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 ...


9. 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 ...


10. 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 ...


11. Global Land Use Data Sets [ARCSS059]
Information on soils, vegetation types, cultivated areas, wetlands and inundated areal fraction at 1- x 1-degree resolution for the Earth are available. Global FAO soil units data distinguish 27 ...


12. 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.), ...


13. 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 ...


14. Hydrographic Parameters from Fram Strait and Denmark Strait, 1998 [ARCSS105]
This data set includes data for the following parameters: dissolved barium; bottom depth; pressure; temperature; salinity; dissolved oxygen; phosphate; siliceous acid; nitrate; nitrite; and oxygen ...


15. Into the Arctic -- Information and Educational Activities for Studying Climate [ARCSS069]
'Into the Arctic' contains educational materials about climate and climate history in the Arctic that use real data and questions from the Greenland Ice Sheet Project Two (GISP2). Beginning in 1993, ...


16. 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 ...


17. 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 ...


18. 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. ...


19. 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 ...


20. 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 ...


21. 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 ...


22. North Pole Environmental Observatory Aerial CTD Survey [ARCSS088]
This data set includes conductivity, temperature, depth (CTD), pressure, salinity, potential temperature, and density data, which were collected yearly, 2000 to 2006, in the Arctic Ocean as part of ...


23. Physical and Chemical Properties from Selected Expeditions in the Arctic Ocean [ARCSS077]
This data collection includes measurements of temperature, salinity, conductivity, pH, and concentrations of silicate, oxygen, nitrate, nitrite, and phosphorus in the Arctic Ocean. The data were ...


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. Russian Historical Soil Temperature Data [ARCSS078]
This data set is a collection of monthly and annual average soil temperatures measured at Russian meteorological stations. Data were recovered from many sources and compiled by staff at the University ...


26. SCICEX Dissolved Barium Data, 1993-1997 [ARCSS070]
Dissolved barium data were compiled from water samples collected between 26 August 1993 and 2 October 1997 from nuclear submarines in the interior basins of the Arctic Ocean. Water samples were collected ...


27. SCICEX Hydrographic Data, 1993 [ARCSS072]
During the SCICEX 1993 cruise, the USS Pargo sampled hydrographic data while surfaced. The data collected were conductivity, temperature, and depth (CTD), using a Sea-Bird CTD, expendable CTD probes, ...


28. 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 ...


29. 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 ...


30. 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 ...


31. Regional Survey of Greenland, 1988 - Snow Pit Data [ARCSS046]
Information from two 2-meter snow pits, five 4-meter snow pits, and two 6-meter snow pits, all dug in 1988 from selected sites in Greenland, includes chemistry (H+), stable isotopes (Ca, Cl, Na, K, ...


32. Snow Pit Data from Greenland Summit, 1989 to 1993 [ARCSS049]
Chemistry and isotope information from snow pits dug at the Summit area of Greenland, 1989-1993 includes major ions (Na, K, Mg, Ca, Cl, NO3, SO4), oxygen isotopes (18O) and H2O2. Four snow pits were ...


33. Arctic Ocean Barium Concentrations, 1993 [ARCSS102]
This data set includes measurements of barium concentrations in samples collected during five oceanographic cruises in the Arctic Ocean in 1993. Investigators collected water samples with Niskin, ...


34. Barium Concentrations and Salinity in Arctic River Estuaries, 1993-1996 [ARCSS107]
This data set includes measurements of barium concentrations and salinity in samples collected from the estuaries of major Arctic rivers and adjacent shelf areas during 1993 to 1996. Investigators ...


35. 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 ...


36. 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 ...


37. Modeled Carbon Responses of Tundra Ecosystems to Historical and Projected Climate [ARCSS075]
This data set contains the model output data of Terrestrial Ecosystem Model (TEM) simulations from 1920-2100 for both moist tundra and polar desert/alpine tundra for the Pan-arctic, compared to output ...


38. Radiation Measurements from the USCGC Polar Sea, 1994 [ARCSS093]
This data set includes spectral and broadband measurements of downwelling shortwave and longwave radiation made aboard the U.S. Coast Guard Cutter 'Polar Sea' during the 1994 Arctic Ocean Section ...


39. 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 ...


40. 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, ...


41. Eurasian River Historical Nutrient and Sediment Flux Data [ARCSS092]
The Russian Federal Service for Hydrometeorology and Environmental Monitoring (Roshydromet) measured sediment fluxes and nutrient concentrations of sixteen Russian rivers between 1938 and 2000. This ...


42. 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, ...


43. 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 ...


44. 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 ...


45. 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 ...


46. 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 ...


47. 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 ...


48. 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 ...


49. 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 ...


50. 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 ...


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