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This layer is a Principal Components Analysis (PCA) derived from the Multibeam Sonar data from the Multibeam layer - 2018 North Marquesas \u2013 presented in this digital atlas. Those data were collected on several small vessels either owned or under contract to eTrac Inc. in 2018. The Geotiff is the results of a principle components analysis using 8 derived complexity surfaces from LiDAR. The surfaces include bathymetry mean, bathymetry standard deviation, curvature, curvature plan, curvature profile, rugosity, slope, and slope of slope The PCA Geotiff can used to delineate different benthic habitat types using a three band color scale. To-date, these data have not been used to create a benthic habitat map.<\/SPAN><\/SPAN><\/P><\/DIV>", "geometryType": null, "copyrightText": "NOAA/NOS/NCCOS Center for Coastal Fisheries and Habitat Research\nAttn: Dr. Chris Taylor \n101 Pivers Island Road\nBeaufort, NC 28516-9722\n\neTrac Inc.\n637 Lindaro Street\nSuite 100\nSan Rafael, CA 94901", "parentLayer": { "id": 42, "name": "Principal Components Analysis - Highlighted Seafloor Features " }, "subLayers": [], "minScale": 0, "maxScale": 0, "defaultVisibility": false, "extent": { "xmin": -9214371.063225599, "ymin": 2802579.887462224, "xmax": -9118576.506543066, "ymax": 2838001.029156026, "spatialReference": { "wkid": 102100, "latestWkid": 3857, "xyTolerance": 0.001, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -20037700, "falseY": -30241100, "xyUnits": 10000, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "hasAttachments": false, "htmlPopupType": "esriServerHTMLPopupTypeNone", "displayField": "", "typeIdField": null, "subtypeFieldName": null, "subtypeField": null, "defaultSubtypeCode": null, "fields": null, "geometryField": {}, "indexes": [], "subtypes": [], "relationships": [], "canModifyLayer": false, "canScaleSymbols": false, "hasLabels": false, "capabilities": "Map,Query", "supportsStatistics": false, "supportsExceedsLimitStatistics": false, "supportsAdvancedQueries": false, "supportedQueryFormats": "JSON, geoJSON, PBF", "isDataVersioned": false, "ownershipBasedAccessControlForFeatures": {"allowOthersToQuery": true}, "useStandardizedQueries": true, "advancedQueryCapabilities": { "useStandardizedQueries": true, "supportsStatistics": false, "supportsPercentileStatistics": false, "supportsHavingClause": false, "supportsOrderBy": false, "supportsDistinct": false, "supportsCountDistinct": false, "supportsPagination": false, "supportsLod": false, "supportsQueryWithLodSR": false, "supportsTrueCurve": true, "supportsQueryWithDatumTransformation": true, "supportsReturningQueryExtent": true, "supportsQueryWithDistance": true, "supportsSqlExpression": false, "supportsTimeRelation": true, "supportsSqlFormat": false, "supportsQueryAnalytic": false }, "supportsDatumTransformation": true, "dateFieldsTimeReference": null, "preferredTimeReference": null, "datesInUnknownTimezone": false, "hasMetadata": true, "isDataArchived": false, "archivingInfo": { "supportsQueryWithHistoricMoment": false, "startArchivingMoment": -1 }, "supportsCoordinatesQuantization": true, "supportsDynamicLegends": true }