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Permafrost Database Development, Characterization, and Mapping for Northern Alaska Information on the nature and distribution of permafrost is critical to assessing the response of Arctic ecosystems to climate change, because thawing permafrost under a warming climate will cause thaw settlement and affect micro-topography, surface water redistribution and groundwater movement, soil carbon balance, trace gas emissions, vegetation changes, and habitat use. While a small-scale regional permafrost map is available, as well as information from numerous site-specific large-scale mapping projects, landscape-level mapping of permafrost characteristics is needed for regional modeling and climate impact assessments. The project addresses this need by: (1) compiling existing soil/permafrost data from available... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ACTIVE LAYER, Academics & scientific researchers, CRYOSPHERE, Data Acquisition and Development, Data Management and Integration, All tags... Datasets/Database, FROZEN GROUND, GEOGRAPHIC INFORMATION SYSTEMS, GROUND ICE, Interested public, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, Policy makers & regulators, Project, Report, SEASONALLY FROZEN GROUND, SOILS, completed, environment, geoscientificInformation, Fewer tags Historical Stand Age 1900-1909 These raster datasets represent historical stand age. The last four digits of the file name specifies the year represented by the raster. For example a file named Age_years_historical_1990.tif represents the year 1990. Cell values represent the age of vegetation in years since last fire, with zero (0) indicating burned area in that year. Files from years 1860-2006 use a variety of historical datasets for Boreal ALFRESCO model spin up and calibration to most closely match historical wildfire dynamics. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Arctic Landscape Conservation Cooperative data.gov, DYNAMIC VEGETATION/ECOSYSTEM MODELS, DYNAMIC VEGETATION/ECOSYSTEM MODELS, Data, All tags... Federal resource managers, Interested public, LAND COVER, LAND COVER, LANDSCAPE ECOLOGY, LANDSCAPE ECOLOGY, LANDSCAPE PROCESSES, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, PERMAFROST, SOIL TEMPERATURE, SOIL TEMPERATURE, WETLANDS, WETLANDS, completed, environment, environment, Fewer tags Historical Stand Age 1910-1919 These raster datasets represent historical stand age. The last four digits of the file name specifies the year represented by the raster. For example a file named Age_years_historical_1990.tif represents the year 1990. Cell values represent the age of vegetation in years since last fire, with zero (0) indicating burned area in that year. Files from years 1860-2006 use a variety of historical datasets for Boreal ALFRESCO model spin up and calibration to most closely match historical wildfire dynamics. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Arctic Landscape Conservation Cooperative data.gov, DYNAMIC VEGETATION/ECOSYSTEM MODELS, DYNAMIC VEGETATION/ECOSYSTEM MODELS, Data, All tags... Federal resource managers, Interested public, LAND COVER, LAND COVER, LANDSCAPE ECOLOGY, LANDSCAPE ECOLOGY, LANDSCAPE PROCESSES, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, PERMAFROST, SOIL TEMPERATURE, SOIL TEMPERATURE, WETLANDS, WETLANDS, completed, environment, environment, Fewer tags Historical Stand Age 1870-1879 These raster datasets represent historical stand age. The last four digits of the file name specifies the year represented by the raster. For example a file named Age_years_historical_1990.tif represents the year 1990. Cell values represent the age of vegetation in years since last fire, with zero (0) indicating burned area in that year. Files from years 1860-2006 use a variety of historical datasets for Boreal ALFRESCO model spin up and calibration to most closely match historical wildfire dynamics. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Arctic Landscape Conservation Cooperative data.gov, DYNAMIC VEGETATION/ECOSYSTEM MODELS, DYNAMIC VEGETATION/ECOSYSTEM MODELS, Data, All tags... Federal resource managers, Interested public, LAND COVER, LAND COVER, LANDSCAPE ECOLOGY, LANDSCAPE ECOLOGY, LANDSCAPE PROCESSES, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, PERMAFROST, SOIL TEMPERATURE, SOIL TEMPERATURE, WETLANDS, WETLANDS, completed, environment, environment, Fewer tags IEM-CSC Factsheet with Supplement, 2015 The Integrated Ecosystem Model is designed to help resource managers understand the nature and expected rate of landscape change. Maps and other products generated by the IEM will illustrate how arctic and boreal landscapes are expected to alter due to climate-driven changes to vegetation, disturbance, hydrology, and permafrost. The products will also provide resource managers with an understanding of the uncertainty in the expected outcomes. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Arctic Landscape Conservation Cooperative data.gov, DYNAMIC VEGETATION/ECOSYSTEM MODELS, DYNAMIC VEGETATION/ECOSYSTEM MODELS, Federal resource managers, All tags... Interested public, LAND COVER, LAND COVER, LANDSCAPE ECOLOGY, LANDSCAPE ECOLOGY, LANDSCAPE PROCESSES, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, PERMAFROST, SOIL TEMPERATURE, SOIL TEMPERATURE, WETLANDS, WETLANDS, completed, environment, environment, factSheet, Fewer tags SNOWDATA GeoTIFF Annual Snow Free Date (year) This dataset includes Snow Free Date(sfdy) for northern Alaska in GeoTiff format, covering the years 1980-2012. Snow Free Date is defined as day of the end of the core snow period(day of year). The core snow season is defined to be the longest period of continuous snow cover in each year. The dataset was generated by the Arctic LCC SNOWDATA: Snow Datasets for Arctic Terrestrial Applications project.“Day-of-year” (doy) output is expressed in Ordinal dates (“1” on 1 January, and “365” on 31 December). Dates have not been corrected for leap years. This output is appropriate for display purposes, as it is readily interpreted as calendar day of year. It is not recommended as input for analysis, as it may produce incorrect... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AIR TEMPERATURE, AIR TEMPERATURE, ALBEDO, ALBEDO, Academics & scientific researchers, All tags... Arctic Landscape Conservation Cooperative data.gov, CRYOSPHERE MODELS, CRYOSPHERE MODELS, Data, Federal resource managers, GLACIER MASS BALANCE/ICE SHEET MASS BALANCE, GLACIER MASS BALANCE/ICE SHEET MASS BALANCE, GLACIERS, GLACIERS, LCC Network Science Catalog, MODELS, MODELS, PRECIPITATION, PRECIPITATION, PRECIPITATION AMOUNT, PRECIPITATION AMOUNT, RAIN, RAIN, SNOW, SNOW, SNOW COVER, SNOW COVER, SNOW DENSITY, SNOW DENSITY, SNOW DEPTH, SNOW DEPTH, SNOW ENERGY BALANCE, SNOW ENERGY BALANCE, SNOW MELT, SNOW MELT, SNOW WATER EQUIVALENT, SNOW WATER EQUIVALENT, SNOW/ICE, SNOW/ICE, SNOW/ICE TEMPERATURE, SNOW/ICE TEMPERATURE, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, Fewer tags SNOWDATA GeoTIFF Annual Snow Depth This dataset includes Snow Depth(snod) for northern Alaska in GeoTiff format, covering the years 1980-2012. Snow Depth is defined as depth on 1 March(m). The dataset was generated by the Arctic LCC SNOWDATA: Snow Datasets for Arctic Terrestrial Applications project.The dataset is delivered in the ZIP archive file format. Each year is output in a separate GeoTiff file, where the year is indicated by the filename.Over the last 20 years, under a variety of NOAA, NSF, and NASA research programs, a snow-evolution modeling system has been developed that includes the MicroMet micrometeorological model, the SnowModel snow-process model, and the SnowAssim data assimilation model. These modeling tools can be thought of as... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AIR TEMPERATURE, AIR TEMPERATURE, ALBEDO, ALBEDO, Academics & scientific researchers, All tags... Arctic Landscape Conservation Cooperative data.gov, CRYOSPHERE MODELS, CRYOSPHERE MODELS, Data, Federal resource managers, GLACIER MASS BALANCE/ICE SHEET MASS BALANCE, GLACIER MASS BALANCE/ICE SHEET MASS BALANCE, GLACIERS, GLACIERS, LCC Network Science Catalog, MODELS, MODELS, PRECIPITATION, PRECIPITATION, PRECIPITATION AMOUNT, PRECIPITATION AMOUNT, RAIN, RAIN, SNOW, SNOW, SNOW COVER, SNOW COVER, SNOW DENSITY, SNOW DENSITY, SNOW DEPTH, SNOW DEPTH, SNOW ENERGY BALANCE, SNOW ENERGY BALANCE, SNOW MELT, SNOW MELT, SNOW WATER EQUIVALENT, SNOW WATER EQUIVALENT, SNOW/ICE, SNOW/ICE, SNOW/ICE TEMPERATURE, SNOW/ICE TEMPERATURE, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, Fewer tags Permafrost Database Development, Characterization, and Mapping for Northern Alaska Information on the nature and distribution of permafrost is critical to assessing the response of Arctic ecosystems to climate change, because thawing permafrost under a warming climate will cause thaw settlement and affect micro-topography, surface water redistribution and groundwater movement, soil carbon balance, trace gas emissions, vegetation changes, and habitat use. While a small-scale regional permafrost map is available, as well as information from numerous site-specific large-scale mapping projects, landscape-level mapping of permafrost characteristics is needed for regional modeling and climate impact assessments. The project addresses this need by: (1) compiling existing soil/permafrost data from available... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ACTIVE LAYER, ACTIVE LAYER, Academics & scientific researchers, CRYOSPHERE, CRYOSPHERE, All tags... Data Acquisition and Development, Data Management and Integration, Datasets/Database, FROZEN GROUND, FROZEN GROUND, GEOGRAPHIC INFORMATION SYSTEMS, GEOGRAPHIC INFORMATION SYSTEMS, GROUND ICE, GROUND ICE, Interested public, LANDSCAPE PROCESSES, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, PERMAFROST, Policy makers & regulators, Project, Report, SEASONALLY FROZEN GROUND, SEASONALLY FROZEN GROUND, SOILS, SOILS, completed, environment, environment, geoscientificInformation, geoscientificInformation, Fewer tags Historical Stand Age 1960-1969 These raster datasets represent historical stand age. The last four digits of the file name specifies the year represented by the raster. For example a file named Age_years_historical_1990.tif represents the year 1990. Cell values represent the age of vegetation in years since last fire, with zero (0) indicating burned area in that year. Files from years 1860-2006 use a variety of historical datasets for Boreal ALFRESCO model spin up and calibration to most closely match historical wildfire dynamics. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Arctic Landscape Conservation Cooperative data.gov, DYNAMIC VEGETATION/ECOSYSTEM MODELS, DYNAMIC VEGETATION/ECOSYSTEM MODELS, Data, All tags... Federal resource managers, Interested public, LAND COVER, LAND COVER, LANDSCAPE ECOLOGY, LANDSCAPE ECOLOGY, LANDSCAPE PROCESSES, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, PERMAFROST, SOIL TEMPERATURE, SOIL TEMPERATURE, WETLANDS, WETLANDS, completed, environment, environment, Fewer tags Alaskan Arctic Coastal Plain Polygonal Geomorphology Map We mosaicked twelve LandSat-8 OLI satellite images taken during the summer of 2014, which were used in an object based image analysis (OBIA) to classify the landscape. We mapped seventeen of the most dominant geomorphic land cover classes on the ACP: (1) Coastal saline waters, (2) Large lakes, (3) Medium lakes, (4) Small lakes, (5) Ponds, (6) Rivers, (7) Meadows, (8) Coalescent low-center polygons, (9) Low-center polygons, (10) Flat-center polygons, (11) High-center polygons, (12) Drained slope, (13) Sandy barrens, (14) Sand dunes, (15) Riparian shrub, (16) Ice, and (17) Urban (i.e. towns and roads). Mapped products were validated with an array of oblique aerial/ground based photography (Jorgenson et al., 2011)... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Arctic Landscape Conservation Cooperative data.gov, COASTAL LANDFORMS/PROCESSES, COASTAL LANDFORMS/PROCESSES, DYNAMIC VEGETATION/ECOSYSTEM MODELS, All tags... DYNAMIC VEGETATION/ECOSYSTEM MODELS, Data, Federal resource managers, Interested public, LAND COVER, LAND COVER, LANDFORMS, LANDFORMS, LANDSCAPE ECOLOGY, LANDSCAPE ECOLOGY, LANDSCAPE PROCESSES, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, PERMAFROST, SOIL TEMPERATURE, SOIL TEMPERATURE, TOPOGRAPHIC EFFECTS, TOPOGRAPHIC EFFECTS, TOPOGRAPHICAL RELIEF, TOPOGRAPHICAL RELIEF, WETLANDS, WETLANDS, completed, geoscientificInformation, geoscientificInformation, Fewer tags Integrated Ecosystem Model Reports This pilot project has initiated a long-term integrated modeling project that aims todevelop a dynamically linked model framework focused on climate driven changes tovegetation, disturbance, hydrology, and permafrost, and their interactions and feedbacks.This pilot phase has developed a conceptual framework for linking current state-of-thesciencemodels of ecosystem processes in Alaska – ALFRESCO, TEM, GIPL-1 – and theprimary processes of vegetation, disturbance, hydrology, and permafrost that theysimulate. A framework that dynamically links these models has been defined and primaryinput datasets required by the models have been developed. Categories: Collection, Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Arctic Landscape Conservation Cooperative data.gov, Collection, DYNAMIC VEGETATION/ECOSYSTEM MODELS, DYNAMIC VEGETATION/ECOSYSTEM MODELS, All tags... Federal resource managers, Interested public, LAND COVER, LAND COVER, LANDSCAPE ECOLOGY, LANDSCAPE ECOLOGY, LANDSCAPE PROCESSES, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, PERMAFROST, Report, SOIL TEMPERATURE, SOIL TEMPERATURE, WETLANDS, WETLANDS, completed, environment, environment, Fewer tags Alaska Stream and Lake Temperature Monitoring Workshop November 2012 Hydrologic processes greatly influence Alaska’s physical and biological resources and the human communities that depend upon them. These processes will also be greatly impacted by expected changes in climate, including warming temperatures and changing seasonal precipitation patterns and amounts. However, current understanding of those impacts is limited. Improving that understanding is a first step toward assessing how the likely changes in hydrology will impact other physical and biological processes. The Western Alaska LCC and the Alaska Climate Science Center, with support from other LCCs, hosted a workshop of 28 hydrologists, researchers, fisheries biologists, local experts and managers for a workshop structured... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: LAKES, LAKES, LCC Network Science Catalog, RIVER, RIVER, All tags... RIVERS/STREAMS, RIVERS/STREAMS, Report, STREAM, STREAM, TEMPERATURE TRENDS, TEMPERATURE TRENDS, Western Alaska Landscape Conservation Cooperative data.gov, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, environment, environment, inlandWaters, inlandWaters, Fewer tags Webinar (2015) AK-OATS Alaska’s freshwater resources, vitally important for salmon and other species, are vulnerable to changes resulting from climate change. Though temperature is a critical element in the suitability of aquatic habitats, Alaska’s stream and lake temperature monitoring is occurring through independent agencies/partners without a means to link and share data. Because a coordinated network of monitoring data can help scientists and managers understand how aquatic systems are responding to climate change, conducting an inventory of past and present stream and lake temperature monitoring efforts has been identified as a priority science need for Alaska. This project consolidated existing monitoring site locations and attributes... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Federal resource managers, LCC Network Science Catalog, METADATA HANDLING, METADATA HANDLING, RIVERS/STREAMS, All tags... RIVERS/STREAMS, State agencies, TEMPERATURE TRENDS, TEMPERATURE TRENDS, WEB-BASED, WEB-BASED, WEB-BASED GEOGRAPHIC INFORMATION SYSTEMS, WEB-BASED GEOGRAPHIC INFORMATION SYSTEMS, Western Alaska Landscape Conservation Cooperative data.gov, completed, elevation, elevation, environment, environment, geoscientificInformation, geoscientificInformation, inlandWaters, inlandWaters, presentation, Fewer tags Permafrost Database Development, Characterization, and Mapping for Northern Alaska Information on the nature and distribution of permafrost is critical to assessing the response of Arctic ecosystems to climate change, because thawing permafrost under a warming climate will cause thaw settlement and affect micro-topography, surface water redistribution and groundwater movement, soil carbon balance, trace gas emissions, vegetation changes, and habitat use. While a small-scale regional permafrost map is available, as well as information from numerous site-specific large-scale mapping projects, landscape-level mapping of permafrost characteristics is needed for regional modeling and climate impact assessments. The project addresses this need by: (1) compiling existing soil/permafrost data from available... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ACTIVE LAYER, Academics & scientific researchers, CRYOSPHERE, Data Acquisition and Development, Data Management and Integration, All tags... Datasets/Database, FROZEN GROUND, GEOGRAPHIC INFORMATION SYSTEMS, GROUND ICE, Interested public, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, Policy makers & regulators, Project, Report, SEASONALLY FROZEN GROUND, SOILS, completed, environment, geoscientificInformation, Fewer tags Permafrost Database Development, Characterization, and Mapping for Northern Alaska Information on the nature and distribution of permafrost is critical to assessing the response of Arctic ecosystems to climate change, because thawing permafrost under a warming climate will cause thaw settlement and affect micro-topography, surface water redistribution and groundwater movement, soil carbon balance, trace gas emissions, vegetation changes, and habitat use. While a small-scale regional permafrost map is available, as well as information from numerous site-specific large-scale mapping projects, landscape-level mapping of permafrost characteristics is needed for regional modeling and climate impact assessments. The project addresses this need by: (1) compiling existing soil/permafrost data from available... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ACTIVE LAYER, Academics & scientific researchers, CRYOSPHERE, Data Acquisition and Development, Data Management and Integration, All tags... Datasets/Database, FROZEN GROUND, GEOGRAPHIC INFORMATION SYSTEMS, GROUND ICE, Interested public, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, Policy makers & regulators, Project, Report, SEASONALLY FROZEN GROUND, SOILS, completed, environment, geoscientificInformation, Fewer tags Permafrost Characterization and Mapping for Northern Alaska Final Report Permafrost is a unique characteristic of polar regions and high mountains and is fundamentalto geomorphic processes and ecological development in permafrost-affected environments.Because permafrost impedes drainage and ice-rich permafrost settles upon thawing, degradationof permafrost in response to climate change will have large consequences for tundra and borealecosystems (Osterkamp 2005, Jorgenson and Osterkamp 2005, Shur and Osterkamp 2007,Jorgenson et al. 2010, 2013). Thawing permafrost affects surface hydrology by impoundingwater in subsiding areas and enhances drainage of upland areas. Changes in soil drainage altersoil carbon dynamics, habitats for vegetation and wildlife, and emissions of greenhouse gases(Ping... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ACTIVE LAYER, Arctic Landscape Conservation Cooperative data.gov, CRYOSPHERE, FROZEN GROUND, GEOGRAPHIC INFORMATION SYSTEMS, All tags... GROUND ICE, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, Report, SEASONALLY FROZEN GROUND, SOILS, completed, environment, geoscientificInformation, Fewer tags Historical Stand Age 1940-1949 These raster datasets represent historical stand age. The last four digits of the file name specifies the year represented by the raster. For example a file named Age_years_historical_1990.tif represents the year 1990. Cell values represent the age of vegetation in years since last fire, with zero (0) indicating burned area in that year. Files from years 1860-2006 use a variety of historical datasets for Boreal ALFRESCO model spin up and calibration to most closely match historical wildfire dynamics. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Arctic Landscape Conservation Cooperative data.gov, DYNAMIC VEGETATION/ECOSYSTEM MODELS, DYNAMIC VEGETATION/ECOSYSTEM MODELS, Data, All tags... Federal resource managers, Interested public, LAND COVER, LAND COVER, LANDSCAPE ECOLOGY, LANDSCAPE ECOLOGY, LANDSCAPE PROCESSES, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, PERMAFROST, SOIL TEMPERATURE, SOIL TEMPERATURE, WETLANDS, WETLANDS, completed, environment, environment, Fewer tags Historical Stand Age 1980-1989 These raster datasets represent historical stand age. The last four digits of the file name specifies the year represented by the raster. For example a file named Age_years_historical_1990.tif represents the year 1990. Cell values represent the age of vegetation in years since last fire, with zero (0) indicating burned area in that year. Files from years 1860-2006 use a variety of historical datasets for Boreal ALFRESCO model spin up and calibration to most closely match historical wildfire dynamics. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Arctic Landscape Conservation Cooperative data.gov, DYNAMIC VEGETATION/ECOSYSTEM MODELS, DYNAMIC VEGETATION/ECOSYSTEM MODELS, Data, All tags... Federal resource managers, Interested public, LAND COVER, LAND COVER, LANDSCAPE ECOLOGY, LANDSCAPE ECOLOGY, LANDSCAPE PROCESSES, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, PERMAFROST, SOIL TEMPERATURE, SOIL TEMPERATURE, WETLANDS, WETLANDS, completed, environment, environment, Fewer tags Simulated Mean Annual Ground Temperature These raster datasets are output from the Geophysical Institute Permafrost Lab (GIPL) model and represents simulated mean annual ground temperature (MAGT) in Celsius, averaged across a decade, at the base of active layer or at the base of the seasonally frozen soil column. These data were generated by driving the GIPL model with a composite of five GCM model outputs for the A1B emissions scenario. The file name specifies the decade the raster represents. For example, a file named MAGT_1980_1989.tif represents the decade spanning 1980-1989. Cell values represent simulated mean annual ground temperature (degree C) at the base of the active layer (for areas with permafrost) or at the base of the soil column that is... Categories: Collection, Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Arctic Landscape Conservation Cooperative data.gov, Collection, DYNAMIC VEGETATION/ECOSYSTEM MODELS, DYNAMIC VEGETATION/ECOSYSTEM MODELS, All tags... Data, Federal resource managers, Interested public, LAND COVER, LAND COVER, LANDSCAPE ECOLOGY, LANDSCAPE ECOLOGY, LANDSCAPE PROCESSES, LANDSCAPE PROCESSES, LCC Network Science Catalog, PERMAFROST, PERMAFROST, SOIL TEMPERATURE, SOIL TEMPERATURE, WETLANDS, WETLANDS, completed, environment, environment, Fewer tags SNOWDATA GeoTIFF Annual Snow Up Date This dataset includes Snow Up Date(sudt) for northern Alaska in GeoTiff format, covering the years 1980-2012. Snow Up Date is defined as day of the start of the core snow period(day of simulation). The core snow season is defined to be the longest period of continuous snow cover in each year. The dataset was generated by the Arctic LCC SNOWDATA: Snow Datasets for Arctic Terrestrial Applications project.The simulation period runs from 1 September – 31 August. “Day-of-simulation” takes the value of “1” on 1 September, “123” on 1 January, and “365” on 31 August. “Day-of-simulation” files should be used for analysis (trend, mean, etc.).The dataset is delivered in the ZIP archive file format. Each year is output in a... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AIR TEMPERATURE, AIR TEMPERATURE, ALBEDO, ALBEDO, Academics & scientific researchers, All tags... Arctic Landscape Conservation Cooperative data.gov, CRYOSPHERE MODELS, CRYOSPHERE MODELS, Data, Federal resource managers, GLACIER MASS BALANCE/ICE SHEET MASS BALANCE, GLACIER MASS BALANCE/ICE SHEET MASS BALANCE, GLACIERS, GLACIERS, LCC Network Science Catalog, MODELS, MODELS, PRECIPITATION, PRECIPITATION, PRECIPITATION AMOUNT, PRECIPITATION AMOUNT, RAIN, RAIN, SNOW, SNOW, SNOW COVER, SNOW COVER, SNOW DENSITY, SNOW DENSITY, SNOW DEPTH, SNOW DEPTH, SNOW ENERGY BALANCE, SNOW ENERGY BALANCE, SNOW MELT, SNOW MELT, SNOW WATER EQUIVALENT, SNOW WATER EQUIVALENT, SNOW/ICE, SNOW/ICE, SNOW/ICE TEMPERATURE, SNOW/ICE TEMPERATURE, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, Fewer tags 1 2 3 4 »