{ "currentVersion": 11.3, "cimVersion": "3.3.0", "id": 2, "name": "Maximum Pleistocene Glacier Extent, Alaska PaleoGlacier Atlas", "type": "Feature Layer", "description": "The Alaska PaleoGlacier Atlas is a geospatial summary of Pleistocene glaciation across Alaska. The layers in the atlas depict: 1) the extent of glaciers during the late Wisconsin glaciation (also known as the Last Glacial Maximum, about 20,000 years ago), and 2) the maximum extent reached during the last 3 million years by the northwestern Cordilleran Ice Sheet, ice caps, and valley glaciers.\nhttp://instaar.colorado.edu/groups/QGISL/ak_paleoglacier_atlas/downloads/index.html", "geometryType": "esriGeometryPolygon", "sourceSpatialReference": { "wkt2": "PROJCRS[\"NAD_1927_Albers\",BASEGEOGCRS[\"GCS_North_American_1927\",DATUM[\"D_North_American_1927\",ELLIPSOID[\"Clarke_1866\",6378206.4,294.9786982,LENGTHUNIT[\"Meter\",1.0]]],PRIMEM[\"Greenwich\",0.0,ANGLEUNIT[\"Degree\",0.0174532925199433]],CS[ellipsoidal,2],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Albers\",METHOD[\"Albers\"],PARAMETER[\"False_Easting\",0.0,LENGTHUNIT[\"Meter\",1.0]],PARAMETER[\"False_Northing\",0.0,LENGTHUNIT[\"Meter\",1.0]],PARAMETER[\"Central_Meridian\",-154.0,ANGLEUNIT[\"Degree\",0.0174532925199433]],PARAMETER[\"Standard_Parallel_1\",55.0,ANGLEUNIT[\"Degree\",0.0174532925199433]],PARAMETER[\"Standard_Parallel_2\",65.0,ANGLEUNIT[\"Degree\",0.0174532925199433]],PARAMETER[\"Latitude_Of_Origin\",50.0,ANGLEUNIT[\"Degree\",0.0174532925199433]]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0]]", "wkt": "PROJCS[\"NAD_1927_Albers\",GEOGCS[\"GCS_North_American_1927\",DATUM[\"D_North_American_1927\",SPHEROID[\"Clarke_1866\",6378206.4,294.9786982]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Albers\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",-154.0],PARAMETER[\"Standard_Parallel_1\",55.0],PARAMETER[\"Standard_Parallel_2\",65.0],PARAMETER[\"Latitude_Of_Origin\",50.0],UNIT[\"Meter\",1.0]]", "xyTolerance": 0.001, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -13752200, "falseY": -8948000, "xyUnits": 3.274821212148234E8, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 }, "copyrightText": "Manley, W. F., & Kaufman, D. S. (2002). Alaska paleoglacier atlas. Institute of Arctic and Alpine Research (INSTAAR), University of Colorado, Boulder, CO.", "parentLayer": null, "subLayers": [], "minScale": 0, "maxScale": 0, "referenceScale": 0.0, "drawingInfo": { "renderer": { "type": "simple", "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 190, 232, 255, 255 ], "outline": null } }, "scaleSymbols": true, "transparency": 0, "labelingInfo": null }, "defaultVisibility": true, "extent": { "xmin": -997480.3124420112, "ymin": 432822.0628182299, "xmax": 1493122.749942011, "ymax": 2248892.249769914, "spatialReference": { "wkt2": "PROJCRS[\"NAD_1927_Albers\",BASEGEOGCRS[\"GCS_North_American_1927\",DATUM[\"D_North_American_1927\",ELLIPSOID[\"Clarke_1866\",6378206.4,294.9786982,LENGTHUNIT[\"Meter\",1.0]]],PRIMEM[\"Greenwich\",0.0,ANGLEUNIT[\"Degree\",0.0174532925199433]],CS[ellipsoidal,2],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Albers\",METHOD[\"Albers\"],PARAMETER[\"False_Easting\",0.0,LENGTHUNIT[\"Meter\",1.0]],PARAMETER[\"False_Northing\",0.0,LENGTHUNIT[\"Meter\",1.0]],PARAMETER[\"Central_Meridian\",-154.0,ANGLEUNIT[\"Degree\",0.0174532925199433]],PARAMETER[\"Standard_Parallel_1\",55.0,ANGLEUNIT[\"Degree\",0.0174532925199433]],PARAMETER[\"Standard_Parallel_2\",65.0,ANGLEUNIT[\"Degree\",0.0174532925199433]],PARAMETER[\"Latitude_Of_Origin\",50.0,ANGLEUNIT[\"Degree\",0.0174532925199433]]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0]]", "wkt": "PROJCS[\"NAD_1927_Albers\",GEOGCS[\"GCS_North_American_1927\",DATUM[\"D_North_American_1927\",SPHEROID[\"Clarke_1866\",6378206.4,294.9786982]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Albers\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",-154.0],PARAMETER[\"Standard_Parallel_1\",55.0],PARAMETER[\"Standard_Parallel_2\",65.0],PARAMETER[\"Latitude_Of_Origin\",50.0],UNIT[\"Meter\",1.0]]", "xyTolerance": 0.001, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -13752200, "falseY": -8948000, "xyUnits": 3.274821212148234E8, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "hasAttachments": false, "htmlPopupType": "esriServerHTMLPopupTypeAsHTMLText", "displayField": "GLACIERS", "typeIdField": null, "subtypeFieldName": null, "subtypeField": null, "defaultSubtypeCode": null, "fields": [ { "name": "FID", "type": "esriFieldTypeOID", "alias": "FID", "domain": null }, { "name": "Shape", "type": "esriFieldTypeGeometry", "alias": "Shape", "domain": null }, { "name": "AREA", "type": "esriFieldTypeDouble", "alias": "AREA", "domain": null }, { "name": "PERIMETER", "type": "esriFieldTypeDouble", "alias": "PERIMETER", "domain": null }, { "name": "MAX_V1", "type": "esriFieldTypeInteger", "alias": "MAX_V1", "domain": null }, { "name": "MINOR1", "type": "esriFieldTypeInteger", "alias": "MINOR1", "domain": null }, { "name": "GLACIERS", "type": "esriFieldTypeString", "alias": "GLACIERS", "length": 50, "domain": null } ], "geometryField": { "name": "Shape", "type": "esriFieldTypeGeometry", "alias": "Shape" }, "indexes": [ { "name": "Shape", "fields": "Shape", "isAscending": true, "isUnique": false, "description": "" } ], "subtypes": [], "relationships": [], "canModifyLayer": true, "canScaleSymbols": false, "hasLabels": false, "capabilities": "Map,Query,Data", "maxRecordCount": 2000, "supportsStatistics": false, "supportsExceedsLimitStatistics": false, "supportsAdvancedQueries": false, "supportedQueryFormats": "JSON, geoJSON, PBF", "isDataVersioned": false, "ownershipBasedAccessControlForFeatures": {"allowOthersToQuery": true}, "useStandardizedQueries": true, "supportedSpatialRelationships": [ "esriSpatialRelIntersects", "esriSpatialRelContains", "esriSpatialRelCrosses", "esriSpatialRelEnvelopeIntersects", "esriSpatialRelIndexIntersects", "esriSpatialRelOverlaps", "esriSpatialRelTouches", "esriSpatialRelWithin", "esriSpatialRelRelation" ], "advancedQueryCapabilities": { "useStandardizedQueries": true, "supportsStatistics": false, "supportsPercentileStatistics": false, "supportsHavingClause": false, "supportsOrderBy": false, "supportsDistinct": false, "supportsCountDistinct": false, "supportsAdvancedQueryRelated": true, "supportsQueryRelatedPagination": true, "supportsPagination": false, "supportsLod": false, "supportsQueryWithLodSR": false, "supportsTrueCurve": true, "supportsQueryWithDatumTransformation": true, "supportsReturningQueryExtent": true, "supportsQueryWithDistance": true, "supportsSqlExpression": false, "supportsTimeRelation": true, "supportsSqlFormat": false, "supportsQueryAnalytic": false, "supportsCurrentUserQueries": true }, "supportsDatumTransformation": true, "dateFieldsTimeReference": null, "preferredTimeReference": null, "datesInUnknownTimezone": false, "hasMetadata": true, "isDataArchived": false, "archivingInfo": { "supportsQueryWithHistoricMoment": false, "startArchivingMoment": -1 }, "supportsCoordinatesQuantization": true, "supportsDynamicLegends": true }