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Displaying entries 1 - 20 of 45 in total

Atlas of the Cryosphere

Atlas%20of%20cryosphere National Snow and Ice Data Center (NSIDC) - View dynamic maps of snow, sea ice, glaciers, ice sheets, permafrost, and more.
2018-08-09 15:08:36 -0800
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Active Layer Depth and Snow Depth, Kuparuk Basin, 1995

National Center for Atmospheric Research - Earth Observing Laboratory (NCAR EOL) - 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 nodes spaced at 100 m at the following locations: Atqasuk, Barrow, Betty Pingo, Happy Valley, Imnavait Creek, Toolik Lake, and West Dock.
2018-08-09 15:05:53 -0800
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Happy Valley Permanent Vegetation Plots - Thaw Depth and Vegetation Radiance Measurements, 1994

National Center for Atmospheric Research - Earth Observing Laboratory (NCAR EOL) - Vegetation Plots This data set includes environmental, soil, and vegetation information collected from 55 releve plots at the Happy Valley research site along the Sagavanirktok River in northern Alaska. To complement formal releve sampling of vegetation during the period July 18-27, 1994, the investigators described each study site (including site topography, surficial geology, estimated snow...
2018-08-09 15:06:02 -0800
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Paleoenvironment, Geomorphic Processes, and Carbon Stocks of Drained Thaw-lake Basins in the Arctic Coastal Plain, Alaska, USA, 2002-2005

National Center for Atmospheric Research - Earth Observing Laboratory (NCAR EOL) - These data are from a study of the origin and associated geomorphological, ecological, and pedological processes of thaw-lake basins of the Arctic Coastal Plain, Alaska. The research utilized high-resolution multispectral satellite data, ground-penetrating radar, and extensive coring to estimate the amount of carbon sequestered in the drained basins. Investigators used radiometric dating,...
2018-08-09 15:06:02 -0800
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Circumpolar Active Layer Monitoring (CALM)

George Washington University (GWU) - The primary goal of the Circumpolar Active Layer Monitoring (CALM) program is to observe the response of the active layer and near-surface permafrost to climate change over long (multi-decadal) time scales. The CALM observational network, established in the 1990s, observes the long-term response of the active layer and near-surface permafrost to changes and variations in climate at more...
2018-08-09 15:07:39 -0800
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Recurring Spring Leads and Landfast Ice in the Beaufort and Chukchi Seas, 1993-2004

National Snow and Ice Data Center (NSIDC) - In the Beaufort and Chukchi Seas, the most significant sea ice anomalies have occurred in the summer ice extent (Eicken et al. 2006). In addition, there has been a considerable decline in the multiyear ice pack in this region (Eicken et al. 2006). To help understand these anomalies, this data set contains information on recurring spring leads and landfast ice extent in this area. This data set...
2018-08-09 15:07:42 -0800
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Landscape Age of the Arctic

National Center for Atmospheric Research - Earth Observing Laboratory (NCAR EOL) - This data set is of landscape age of the Arctic, in 1000 years since the land surface was available for vegetation colonization. It is in vector format. The age of most recent deglaciation, emergence from the sea, or drainage of proglacial lakes was obtained from a compilation of Quaternary glaciations, available in digital format (Ehlers and Gibbard, 2004). Supplemental data provided in some...
2018-08-09 15:07:41 -0800
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Coring Data from Drained Thaw-Lake Basins of the Arctic Coastal Plain, Alaska

National Center for Atmospheric Research - Earth Observing Laboratory (NCAR EOL) - This data set includes measurements and observations taken from drained thaw-lake basin (DTLB) cores retrieved from Barrow and Atqasuk, Alaska in April and August of 2001 through 2003. Investigators selected young, medium, old, and ancient DTLBs to collect data from by surveying their vegetation. DTLBs become sites for the accumulation of organic carbon as peat deposits. With this research,...
2018-08-09 15:06:19 -0800
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Fish behavioral and physical responses to vibroseis noise Prudhoe Bay, Alaska 2003

Alaska Department of Fish and Game (ADFG) - The study was designed to address the potential physical effects to fish from the energy imparted to a water body by vibroseis equipment and also to semi-quantitatively assess the magnitude of the behavioral disturbance caused to fish by operating the equipment in their proximity. The study was conducted northeast of Deadhorse, Alaska at an isolated and flooded gravel mine site and in the...
2018-08-09 15:06:30 -0800
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Two mechanisms of aquatic and terrestrial habitat change along an Alaskan Arctic coastline

US Geological Survey (USGS) - This study of two interacting physical mechanisms, coastal erosion and storm surge flooding, provides an important example of the complexities and data needs for predicting habitat change and biological responses along Arctic land–ocean interfaces. To better understand how these processes are affecting habitat, we analyzed long-term observational records coupled with recent short-term...
2018-08-09 15:06:31 -0800
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Alaska Air Ground Snow and Soil Temperatures 1998-2007

Arctic Observing Network - CADIS (AON CADIS) - This data set contains air and ground temperature measurements collected from three different regions, each with multiple sites.
2018-08-09 15:03:09 -0800
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The Global Geocryological Data System - Frozen Ground Data Center

National Snow and Ice Data Center (NSIDC) - The Frozen Ground Data Center (FGDC) serves as a central node of the IPA Global Geocryological Data (GGD) system. The GGD is an internationally distributed system linking investigators and data centers around the world. The FGDC facilitates the operation of the GGD by collecting and distributing information (metadata) describing permafrost and frozen ground related data. Many of the products...
2018-08-09 15:03:23 -0800
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ArcticRIMS: A Regional Integrated Hydrological Monitoring System for Pan Arctic Land Mass

University of New Hampshire (UNH) - The Arctic Rapid Integrated Monitoring System (ArcticRIMS) uses products from numerical weather prediction models (NCEP/NCAR, ERA-40, station records, satellite remote sensing, and other data sets) in conjunction with an atmosphere-land surface water budgeting scheme. The geography and dynamics of water across the pan-Arctic region are important elements of the larger Earth system especially...
2018-08-09 15:06:01 -0800
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Glacial Geology Map of Toolik Lake and Upper Kuparuk Region

National Center for Atmospheric Research - Earth Observing Laboratory (NCAR EOL) - Map - This file contains a glacial geology map of the Upper Kuparuk River Region, Alaska. This map is based on a previous map of the region at 1:250,000 scale (Hamilton, 1978) and field reconnaisance in 1996. It was mapped from color-infrared aerial photographs taken in 1982 and enlarged to 1:25,000 scale. This product was partially funded by the LAII/ATLAS project. The latitude/longitude of...
2018-08-09 15:06:01 -0800
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Soil Temperatures and snow depth for Happy Valley and Barrow, Alaska, USA

National Center for Atmospheric Research - Earth Observing Laboratory (NCAR EOL) - Soil temperature from 121 sensors dispersed in the Happy Valley and Barrow, Alaska area. Soil Temperature: 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 text format, and are available via FTP. Snow Depth: This data set contains snow depth...
2018-08-09 15:07:37 -0800
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Ecological Land Survey for the Colville River Delta, Alaska 1996

Ecological%20land%20survey BP Exploration Alaska Inc. (BPXA) - In this study, we used an ecological land survey (ELS) mapping approach that inventoried terrain units (surficial geology, waterbodies), surface forms (primarily ice-related features), and vegetation (land cover) characteristics on the delta and adjacent coastal plain (117,142 ha; 289,464 acres). This information was used to map integrated terrain units (ITUs) that incorporated the three...
2018-08-09 15:08:34 -0800
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Soil Temperatures - Canopy Foliage Area Index, Toolik Lake, Alaska, 1995 and 1996

National Center for Atmospheric Research - Earth Observing Laboratory (NCAR EOL) - 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 snow was removed before the installation of heating cables at 10-cm depth. Plots with heating cables were heated two hours per day. Soil temperatures were recorded once per minute using a Campbell...
2018-08-09 15:06:49 -0800
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Effects of Storm Surges on the Beaufort Sea Coast, Northern Alaska

US Bureau of Land Management (BLM) - In 1970 a major storm surge caused by gale force westerly winds inundated low lying tundra plains and deltas as far as 5000m inland and left a driftwood line as much as 3.4m above normal sea level along the Beaufort Sea coast. Coastal retreat and thermoerosion are accelerated and sediment transport altered. Evidence suggests an approximate 100 year recurrence interval for similar surges with...
2018-08-09 15:06:56 -0800
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General Soil Map of Alaska-SSURGO Database

National Resources Conservation Service (NRCS) - This data set consists of delineated general soils association units and separate SSURGO database.
2018-08-09 15:06:58 -0800
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Permafrost Characteristics of Alaska -2008

UAF Institute of Northern Engineering (UAF INE) - A permafrost map of Alaska using a terrain-unit approach for mapping permafrost distribution based on climate and surficial deposits is presented in map format. Authors: Torre Jorgenson, Kenji Yoshikawa, Mikhail Kanevskiy, and Yuri Shur University of Alaska Fairbanks, Institute of Northern Engineering, Fairbanks, Alaska, USA Vladimir Romanovsky, Sergei Marchenko, and Guido Grosse University...
2018-08-09 15:04:52 -0800
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