D644FD2F-5555-4AB4-9A8D-B32FB8CF56EE eng utf8 dataset dataset Lisa Bacanskas U.S. Environmental Protection Agency, Office of Air and Radiation 202-343-9758 (202) 343-2202 1200 Pennsylvania Avenue, N.W. 6207A Washington DC 20460 bacanskas.lisa@epa.gov https://www.epa.gov/climatechange pointOfContact 2026-05-20 ISO 19139 Geographic Information - Metadata - Implementation Specification 2007 geometryOnly point 15 4269 EPSG 6.5(3.0.1) Change in Permafrost Temperatures in Alaska, 1978-2023 U.S. Environmental Protection Agency, Office of Air and Radiation (202) 343-2202 1200 Pennsylvania Avenue, N.W. 6207A Washington DC 20460 climateindicators@epa.gov https://www.epa.gov/climatechange publisher mapDigital This map shows the change in permafrost temperature per decade for long-term borehole sites in Alaska. As the circles get larger, the rate of warming per decade increases. The blue circle represents a cooling trend. For more information: https://www.epa.gov/climatechange/science/indicators. Map showing the change in permafrost temperature per decade at multiple sites in Alaska from 1978 to 2023. U.S. Environmental Protection Agency U.S. Environmental Protection Agency, Office of Air and Radiation (202) 343-2202 1200 Pennsylvania Avenue, N.W. 6207A Washington DC 20460 climateindicators@epa.gov https://www.epa.gov/climatechange publisher Alaska place EPA Place Names 2015-01-31 publication Climate Indicator theme EPA GIS Keyword Thesaurus 2024-12-19 revision 020:033 theme Federal Program Inventory 2013-09-16 publication Melt Permafrost Thaw theme User Downloadable Data None. Please check sources, scale, accuracy, currency and other available information. Please confirm that you are using the most recent copy of both data and metadata. Acknowledgement of the EPA would be appreciated. EPA Public Domain License https://edg.epa.gov/EPA_Data_License.html licenseUnrestricted https://edg.epa.gov/EPA_Data_License.html unclassified http://project-open-data.github.io/schema/#accessLevel Standard Technical Controls vector eng utf8 Microsoft Windows 11 Pro ; Esri ArcGIS Pro 3.3.52636 true -156.6615 -143.6285 62.1669 71.309 File Geodatabase Feature Class https://geodata.epa.gov/arcgis/rest/services/OAR_OAP/Permafrost/MapServer OGC:WMS download https://www.epa.gov/climatechange/science/indicators information unknown 2020-08-02