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Channel Migration Zone Segments: represents segments of water courses in Snohomish County that are associated with channel migration zones (CMZ). More information on Channel Migration Zones is available at Snohomish County Code 30.62B.330<\/a>.<\/div>

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Littoral Drift: also known as shore drift, littoral drift is the process by which beach sediment is moved along the shoreline. Drift results primarily from the oblique approach of wind-generated waves and can therefore change in response to short-term (daily, weekly, or seasonally) shifts in wind direction. <\/div>", "mapName": "pds_car_geohzd_erosion", "description": "This map service includes two datasets that are intended to represent erosion-related geohazards in Snohomish County. Channel Migration Zone Segments: represents segments of water courses in Snohomish County that are associated with channel migration zones (CMZ). More information on Channel Migration Zones is available at Snohomish County Code 30.62B.330.Littoral Drift: also known as shore drift, littoral drift is the process by which beach sediment is moved along the shoreline. Drift results primarily from the oblique approach of wind-generated waves and can therefore change in response to short-term (daily, weekly, or seasonally) shifts in wind direction. ", "copyrightText": "", "supportsDynamicLayers": true, "layers": [ { "id": 0, "name": "Channel Subject to Migration", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolyline", "supportsDynamicLegends": true }, { "id": 1, "name": "Littoral Drift", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolyline", "supportsDynamicLegends": true }, { "id": 2, "name": "Soil Erosion Hazard", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "supportsDynamicLegends": true } ], "tables": [], "spatialReference": { "wkid": 102748, "latestWkid": 2285, "xyTolerance": 0.003280833333333333, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -117104300, "falseY": -99539600, "xyUnits": 3048.0060960121928, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 }, "singleFusedMapCache": false, "initialExtent": { "xmin": 1270345.0086928532, "ymin": 351586.22858919966, "xmax": 1344094.5600818042, "ymax": 407776.3629807814, "spatialReference": { "wkid": 102748, "latestWkid": 2285, "xyTolerance": 0.003280833333333333, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -117104300, "falseY": -99539600, "xyUnits": 3048.0060960121928, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "fullExtent": { "xmin": 688445.409444809, "ymin": -261758.82182753086, "xmax": 1504016.0020536333, "ymax": 769350.8987573087, "mmin": 0, "mmax": 69.30000305175804, "spatialReference": { "wkid": 102748, "latestWkid": 2285, "xyTolerance": 0.003280833333333333, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -117104300, "falseY": -99539600, "xyUnits": 3048.0060960121928, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "datesInUnknownTimezone": false, "minScale": 0, "maxScale": 0, "units": "esriFeet", "supportedImageFormatTypes": "PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP", "documentInfo": { "Title": "pds_car_geohzd_erosion", "Author": "", "Comments": "", "Subject": "", "Category": "", "Version": "3.3.0", "AntialiasingMode": "Fast", "TextAntialiasingMode": "Force", "Keywords": "PDS,critical areas,geohazard,erosion,littoral" }, "supportsQueryDomains": true, "capabilities": "Map,Query,Data", "supportedQueryFormats": "JSON, geoJSON, PBF", "exportTilesAllowed": false, "referenceScale": 0.0, "datumTransformations": [ { "geoTransforms": [ { "wkid": 108190, "latestWkid": 108190, "transformForward": true, "name": "WGS_1984_(ITRF00)_To_NAD_1983" } ] }, { "geoTransforms": [ { "wkid": 108190, "latestWkid": 108190, "transformForward": false, "name": "WGS_1984_(ITRF00)_To_NAD_1983" } ] }, { "geoTransforms": [ { "wkid": 108190, "latestWkid": 108190, "transformForward": true, "name": "WGS_1984_(ITRF00)_To_NAD_1983" } ] }, { "geoTransforms": [ { "wkid": 108190, "latestWkid": 108190, "transformForward": false, "name": "WGS_1984_(ITRF00)_To_NAD_1983" } ] } ], "supportsDatumTransformation": true, "floorAwareMapProperties": { "defaultFloorFilterSettings": {"isEnabled": false} }, "archivingInfo": {"supportsHistoricMoment": false}, "supportsClipping": true, "supportsSpatialFilter": true, "supportsTimeRelation": true, "supportsQueryDataElements": true, "mapUnits": {"uwkid": 9003}, "maxSelectionCount": 2000, "maxRecordCount": 2000, "maxImageHeight": 4096, "maxImageWidth": 4096, "supportedExtensions": "", "resampling": false, "serviceItemId": "020efd8552e7463286767fe4b1f90419" }