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The resulting raster attribute table contains columns for unique characterizations of surface water inundation dynamics (including measures of event frequency, duration, depth, and timing), yearly sums of the number of days a surface was inundated, and a classification of floodplain areas based on average annual duration values.", "mapName": "UMRS Floodplain Inundation Attributes", "description": "", "copyrightText": "U.S. Army Corps of Engineer\u2019s Upper Mississippi River Restoration Program; USGS Upper Midwest Environmental Sciences Center", "supportsDynamicLayers": true, "layers": [ { "id": 0, "name": "Mean growing season flood duration", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": [ 1, 2, 3 ], "minScale": 0, "maxScale": 0 }, { "id": 1, "name": "Boundary", "parentLayerId": 0, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0 }, { "id": 2, "name": "Footprint", "parentLayerId": 0, "defaultVisibility": false, "subLayerIds": null, 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