<?xml version="1.0" encoding="UTF-8"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-07-01T05:55:40Z</responseDate><request identifier="GGD630.001" metadataPrefix="dif" verb="GetRecord">http://nsidc.org/api/dataset/metadata/oai</request><GetRecord><record><header><identifier>oai:nsidc.org/GGD630.001</identifier><datestamp>2025-12-04T15:17:07Z</datestamp><setSpec>v0_other</setSpec><setSpec>v0_all</setSpec><setSpec>fgdc</setSpec></header><metadata>
<DIF xmlns="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/ http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/dif_v9.7.1.xsd"><Entry_ID>GGD630.001</Entry_ID><Entry_Title>Permafrost Map for Northwestern Canada (Mackenzie Region)</Entry_Title><Data_Set_Citation><Dataset_Creator>Heginbottom, J. A., Smith, S. &amp; Radburn, L. (Comps.)</Dataset_Creator><Dataset_Title>Permafrost Map for Northwestern Canada (Mackenzie Region)</Dataset_Title><Dataset_Release_Date>1992-01-01</Dataset_Release_Date><Dataset_Release_Place>Boulder, Colorado USA</Dataset_Release_Place><Dataset_Publisher>NSIDC: National Snow and Ice Data Center</Dataset_Publisher><Version>1</Version><Other_Citation_Details><Invert_Citation_Order>false</Invert_Citation_Order></Other_Citation_Details><Dataset_DOI>10.7265/mrcm-h024</Dataset_DOI><Online_Resource>https://doi.org/10.7265/mrcm-h024</Online_Resource><Dataset_Series_Name>GGD630</Dataset_Series_Name></Data_Set_Citation><Personnel><Role>Investigator</Role><First_Name>Sharon</First_Name><Last_Name>Smith</Last_Name><Email>ssmith@nrcan.gc.ca</Email><Phone>1-613-947-7066</Phone><Fax>1-613-992-0190</Fax><Contact_Address><Address>601 Booth St.</Address><City>Ottawa</City><Province_or_State>Ontario</Province_or_State><Postal_Code>K1A 0E8</Postal_Code><Country>Canada</Country></Contact_Address></Personnel><Parameters><Category>EARTH SCIENCE</Category><Topic>LAND SURFACE</Topic><Term>FROZEN GROUND</Term><Variable_Level_1>PERMAFROST</Variable_Level_1><Variable_Level_2> </Variable_Level_2><Variable_Level_3> </Variable_Level_3><Detailed_Variable> </Detailed_Variable></Parameters><Keyword>LAKES</Keyword><Keyword>Permafrost</Keyword><Keyword>Rivers</Keyword><Temporal_Coverage><Start_Date>1992-01-01</Start_Date><Stop_Date>1992-12-31</Stop_Date></Temporal_Coverage><Spatial_Coverage><Southernmost_Latitude>60</Southernmost_Latitude><Northernmost_Latitude>70</Northernmost_Latitude><Westernmost_Longitude>-142</Westernmost_Longitude><Easternmost_Longitude>-120</Easternmost_Longitude></Spatial_Coverage><Location><Location_Category>Continent</Location_Category><Location_Type>North America</Location_Type><Location_Subregion1>Canada</Location_Subregion1><Location_Subregion2/><Location_Subregion3/><Detailed_Location>Mackenzie region, Northwest and Yukon Territories, Canada</Detailed_Location></Location><Data_Set_Language>English</Data_Set_Language><Data_Center><Data_Center_Name><Short_Name>FGDC</Short_Name><Long_Name>Frozen Ground Data Center</Long_Name></Data_Center_Name><Data_Center_URL>http://nsidc.org/fgdc/</Data_Center_URL><Personnel><Role>Data Center Contact</Role><First_Name>FGDC</First_Name><Last_Name>User Services</Last_Name><Email>nsidc@nsidc.org</Email><Phone>1-303-492-6199</Phone><Fax>1-303-492-2468</Fax><Contact_Address><Address>National Snow and Ice Data Center</Address><Address>CIRES, 449 UCB</Address><Address>University of Colorado</Address><City>Boulder</City><Province_or_State>CO</Province_or_State><Postal_Code>80309-0449</Postal_Code><Country>USA</Country></Contact_Address></Personnel></Data_Center><Reference>Heginbottom, J.A. and Radburn, L.K. (compilers) 1992. Permafrost and ground ice conditions of northwestern Canada; Geological Survey of Canada, Map 1691A, scale 1:1,000,000. Digitized by S. Smith, Geological Survey of Canada. Boulder, CO: National Snow and Ice Data Center. Digital Media. 

Heginbottom, J.A., M.A. Dubreuil and P.A. Harker (1995) Canada - Permafrost, in: National Atlas of Canada, 5th Edition, National Atlas Information Service, Natural Resources Canada, MCR 4177.

Heginbottom, J.A. and L.K. Radburn (comp). 1992. Permafrost and Ground Ice Conditions of Northwestern Canada / Conditions r&#xE9;latives au perg&#xE9;lisol et &#xE0; la glace de sol du nord-ouest du Canada. Map 1691A. Scale 1: 1,000,000. Energy, Mines and Resources Canada, Geological Survey of Canada, Ottawa, Canada.</Reference><Summary><Abstract>The Permafrost Map for Northwestern Canada (Mackenzie Region) is a digital version of the 1:1,000,000 map produced by Heginbottom and Radburn [Heginbottom, J.A. and Radburn, L.K. (compilers) 1992. Permafrost and ground ice conditions of northwestern Canada; Geological Survey of Canada, Map 1691A, scale 1:1 000 000.] The map provides information on permafrost distribution and ground ice conditions in the Mackenzie Region of northwestern Canada. The data set comprises three data layers: maps of permafrost zones, rivers, and lakes. The map themes (layers) are in the ESRI Shapefile spatial data format (ArcView files). The permafrost map codes continuous, discontinuous, intermediate, sporadic, and isolated permafrost, and glaciers. Data are available via ftp</Abstract></Summary><Related_URL><URL_Content_Type><Type>VIEW RELATED INFORMATION</Type></URL_Content_Type><URL>https://doi.org/10.7265/mrcm-h024</URL><Description>Documentation</Description></Related_URL><Related_URL><URL_Content_Type><Type>GET DATA</Type></URL_Content_Type><URL>ftp://sidads.colorado.edu/pub/DATASETS/fgdc/ggd630_map_pf_canada/</URL><Description>FTP</Description></Related_URL><Related_URL><URL_Content_Type><Type>VIEW RELATED INFORMATION</Type></URL_Content_Type><URL>http://nsidc.org/data/gis/</URL><Description>GIS Data and Resources at NSIDC</Description></Related_URL><Metadata_Name>CEOS IDN DIF</Metadata_Name><Metadata_Version>VERSION 9.9</Metadata_Version><DIF_Creation_Date>1992-01-01</DIF_Creation_Date><Last_DIF_Revision_Date>2025-12-04</Last_DIF_Revision_Date><Extended_Metadata><Metadata><Group>NSIDC</Group><Name>Version Summary</Name><Value/></Metadata><Metadata><Group>NSIDC</Group><Name>Minor Version</Name><Value/></Metadata><Metadata><Group>NSIDC</Group><Name>Current Version</Name><Value>1</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Level of Service</Name><Value><Level>Basic</Level></Value></Metadata><Metadata><Group>NSIDC</Group><Name>Full Dataset Citation</Name><Value>(1992). &lt;i&gt;Permafrost Map for Northwestern Canada (Mackenzie Region)&lt;/i&gt;. (GGD630, Version 1). Heginbottom, J. A., Smith, S. &amp; Radburn, L. (Comps.) [Data Set]. Boulder, Colorado USA. National Snow and Ice Data Center. &lt;a href="https://doi.org/10.7265/mrcm-h024"&gt;https://doi.org/10.7265/mrcm-h024&lt;/a&gt;. 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