Name: 2009 Vessel Traffic (AIS)

Display Field: BLOCKNUMBE

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Derived from 2009 Automatic Identification System (AIS) broadcast returns. Each count per aliquot block represents the number of vessels traveling through the block during the year 2009. An aliquot measures 1/16 of a full OCS leasing block or 1200 x 1200 meters. Only areas where BOEM publishes Official Protraction Diagrams will contain the aliquot AIS counts, therefore, large areas of inland state waters may be missing aliquot AIS counts. The data has also been clipped so that any aliquot that touches land has been deleted so that the user can discern the location of the coastline. Vessel type breakdowns can be viewed using the ID tool or by downloading the data. The original raw data for June 2009 is missing 25 days of broadcast data.

Copyright Text: MarineCadastre.gov

Default Visibility: true

MaxRecordCount: 10000

Supported Query Formats: JSON, geoJSON

Min Scale: 4622325

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

XMin: -78.00000000471312
YMin: 31.93895987589049
XMax: -66.9108424357801
YMax: 44.76902265777833
Spatial Reference: 4269  (4269)

Drawing Info:

Renderer:
Class Breaks Renderer:
Field: VESSELCOUN
Min. Value: 0.0
ClassBreakInfos:
• Class Maximum Value: 0
  Label: 0 (Vessels per Aliquot - 2009)
  Description:
  Symbol:
  Style: esriSFSSolid
  Color: [69, 117, 181, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
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• Class Maximum Value: 75
  Label: 1 - 75
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  Outline:
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• Class Maximum Value: 250
  Label: 76 - 250
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  Label: 751 - 1500
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• Class Maximum Value: 10000
  Label: More than 1500
  Description:
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  Outline:
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Transparency: 0
Labeling Info:

Advanced Query Capabilities:

Supports Statistics: true
Supports OrderBy: true
Supports Distinct: true
Supports Pagination: true
Supports TrueCurve: true
Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: false
Supports Returning Geometry Centroid: false
Supports Binning LOD: false
Supports Query With LOD Spatial Reference: false

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• PROTNUMBER ( type: esriFieldTypeString, alias: Protraction Number, length: 7 )
• BLOCKNUMBE ( type: esriFieldTypeString, alias: OCS Block Number, length: 6 )
• VESSELCOUN ( type: esriFieldTypeDouble, alias: 2009 Vessel Count (AIS) )
• SHAPE ( type: esriFieldTypeGeometry, alias: Shape )

Supported Operations:   Query   Query Attachments   Generate Renderer   Return Updates

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