Name: Barrier Embayments

Display Field: SubbasinName

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: A barrier beach is a linear ridge of sand or gravel extending above high tide, built by wave action and sediment deposition seaward of the original coastline. Includes variety of depositional coastal landforms, including spits, tombolos, cuspate forelands, and barrier islands. The Barrier Embayment Strategy aims to protect and restore sediment input and transport processes to littoral drift cells where bluff erosion sustains barrier beaches that form barrier embayments, and restore the tidal flow processes found therein. These analyses are intended to serve as a durable framework, allowing us to evaluate a proposed action and its ability to restore or protect ecosystem dynamics and services in the context of a site, a sub-basin and the region, providing a powerful basis for planning and prioritization.

Copyright Text: PSNERP Project Team (U.S. Army Corps of Engineers, Seattle District; Washington Department of Fish and Wildlife; and PSNERP Nearshore Science Team), Salmon and Steelhead Habitat Inventory and Assessment Program, and Anchor QEA Consultant Team.

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YMin: 5947416.160400003
XMax: -1.36030181624E7
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Spatial Reference: 102100  (3857)

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Labeling Info:

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Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• PU ( type: esriFieldTypeString, alias: Process Unit Name, length: 255 )
• Site ( type: esriFieldTypeDouble, alias: Unique Site ID )
• SubbasinName ( type: esriFieldTypeString, alias: Sub-basin Name, length: 255 )
• CONVERG_ ( type: esriFieldTypeString, alias: Presence of Convergence Zone, length: 255 )
• HistEmbayCount ( type: esriFieldTypeDouble, alias: Count of Historic Embayments in Process Unit )
• CurrEmbayCount ( type: esriFieldTypeDouble, alias: Count of Current Embayments in Process Unit )
• RECOMMEND ( type: esriFieldTypeString, alias: Management Recommendation, length: 255 )
• PotentialGROUP ( type: esriFieldTypeString, alias: Potential Group, length: 255 )
• PotentialNORM ( type: esriFieldTypeDouble, alias: Potential Ranking )
• DegradGROUP ( type: esriFieldTypeString, alias: Degradation Group, length: 255 )
• DegradationNORM ( type: esriFieldTypeDouble, alias: Degradation Ranking )
• HistEmbayLength ( type: esriFieldTypeDouble, alias: Historic Embayment Length in Shoreline Process Unit )
• HistEmbayDensity ( type: esriFieldTypeDouble, alias: Historic Embayment Density in Shoreline Process Unit )
• PotentialWetland ( type: esriFieldTypeDouble, alias: Potential to Support Vegetated Tidal Wetland )
• EmbayLengthLoss ( type: esriFieldTypeDouble, alias: Length of Lost Historic Embayment Landforms )
• SedimentSupplyDeg ( type: esriFieldTypeDouble, alias: Sediment Supply Degradation Potential )
• TidalFlowDeg ( type: esriFieldTypeDouble, alias: Percent of Embayment Landform Lengths with Degraded Tidal Flow )
• NearshoreImpervious ( type: esriFieldTypeDouble, alias: Percent of Nearshore with Development > 10% )
• ActiveRailroadPct ( type: esriFieldTypeDouble, alias: Percent of Beach Adjacent to Active Railroad )
• ActiveRailroadRISK ( type: esriFieldTypeString, alias: Active Railroad Risk, length: 255 )
• JettyInfluencePct ( type: esriFieldTypeDouble, alias: Jetty Influence )
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