Layer: Fans (ID:5)

View In: Map Viewer

Name: Fans

Display Field: FAN_ID

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This is a polygon feature class used to delineate alluvial fan or debris flow fan deposits using the methods described in our lidar-based protocol (Slaughter and others, 2017). Fans visible in lidar (light detection and ranging) derivative datasets are delineated in this feature class, and no deposits inferred from aerial/orthoimagery, field reconnaissance, or other techniques are included. This feature class only includes information the analyst can determine remotely. This feature class is part of a larger landslide inventory dataset for Washington State.

Copyright Text:

Min. Scale: 577790.554289

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

Drawing Info:

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HasZ: true

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Global ID Field:

Type ID Field: CONFIDENCE

Fields:

FAN_ID (type: esriFieldTypeInteger, alias: Fan ID, SQL Type: sqlTypeOther, nullable: true, editable: true)
FAN_TYPE (type: esriFieldTypeString, alias: Fan Type, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: true)
RELATIVE_AGE (type: esriFieldTypeString, alias: Relative Age of Fan, SQL Type: sqlTypeOther, length: 25, nullable: false, editable: true)
YEAR_MOVE (type: esriFieldTypeString, alias: Year of Movement, SQL Type: sqlTypeOther, length: 4, nullable: true, editable: true)
FIELD_VERIFIED (type: esriFieldTypeString, alias: Field Verified Flag, SQL Type: sqlTypeOther, length: 3, nullable: false, editable: true)
SLOPE_DEG (type: esriFieldTypeSmallInteger, alias: Slope Angle (degrees), SQL Type: sqlTypeOther, nullable: true, editable: true)
FAN_HEIGHT_FT (type: esriFieldTypeSmallInteger, alias: Fan Height (feet), SQL Type: sqlTypeOther, nullable: true, editable: true)
FAN_VOLUME_FT3 (type: esriFieldTypeInteger, alias: Fan Volume (cubic feet), SQL Type: sqlTypeOther, nullable: true, editable: true)
OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
CONFIDENCE (type: esriFieldTypeString, alias: Confidence, SQL Type: sqlTypeOther, length: 25, nullable: false, editable: true)
COMMENTS (type: esriFieldTypeString, alias: Comments, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
DISPLAY_ON_PORTAL (type: esriFieldTypeString, alias: Display on Portal, SQL Type: sqlTypeOther, length: 5, nullable: true, editable: true)
CHANGE_TYPE (type: esriFieldTypeString, alias: Change Type, SQL Type: sqlTypeOther, length: 10, nullable: true, editable: true)
CHANGE_DATE (type: esriFieldTypeDate, alias: Change Date, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: true)
CHANGE_DESCRIPTION (type: esriFieldTypeString, alias: Change Description, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Types:

RELATIVE_AGE:
FIELD_VERIFIED:
CONFIDENCE: High (21-30)

RELATIVE_AGE:
FIELD_VERIFIED:
CONFIDENCE: Moderate (11-20)

RELATIVE_AGE:
FIELD_VERIFIED:
CONFIDENCE: Low (1-10)

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 7/28/2025 7:30:08 PM

Schema Last Edit Date: 7/28/2025 7:30:06 PM

Data Last Edit Date: 7/28/2025 7:07:18 PM

Supported Operations: Query Query Pivot Query Top Features Query Analytic Query Bins Generate Renderer Validate SQL Get Estimates ConvertFormat