Name: Airport Noise Contour

Display Field: ContourLabel

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: 55, 60, and 65 dB CNEL noise contours based on flight tracks for Gnoss Field from Figure 3.2: Flight Tracks/Noise Contours in the 1991 Marin County Airport Land Use Plan for Gnoss Field. Marin County Community Development Agency staff digitized the noise contours in February 2024.

Copyright Text: Cortright & Siebold, Airport Consulting/Engineering/Planning. Digitized by Marin County Community Development Agency.

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Spatial Reference: 2872  (2872)

Drawing Info:

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• Value: 55 dB CNEL Contour
  Label: 55 dB CNEL Contour
  Description:
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• Value: 60 dB CNEL Contour
  Label: 60 dB CNEL Contour
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• Value: 65 dB CNEL Contour
  Label: 65 dB CNEL Contour
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Transparency: 40
Labeling Info:

Advanced Query Capabilities:

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• ContourLabel ( type: esriFieldTypeString, alias: Label, length: 20 )
• ContourNumber ( type: esriFieldTypeInteger, alias: Number )
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• SHAPE.STLength() ( type: esriFieldTypeDouble, alias: Shape.STLength() )

Supported Operations:   Query   Query Attachments   Generate Renderer   Return Updates

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