Name: Keystone Dam InSAR Points

Display Field:

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: <p><b>Overview</b></p><p>This feature service contains point features that support InSAR-based ground deformation analysis for the Keystone Dam area. The records store point locations with associated displacement and quality metrics that can be used to evaluate surface movement and measurement reliability across the monitored area.</p><p><b>Data Content</b></p><ul><li><strong>Point geometries</strong> representing InSAR sample locations.</li><li><strong>Displacement values</strong> and related measurements for monitoring ground motion.</li><li><strong>Quality and precision indicators</strong> that help assess the confidence and usability of each observation.</li><li><strong>Location and reference attributes</strong> that support spatial analysis and integration with other GIS datasets.</li></ul><p><b>GIS Use</b></p><p>This service supports deformation mapping, infrastructure monitoring, and spatial analysis related to dam stability and surrounding terrain. It is useful for visualizing point-based InSAR observations, reviewing movement patterns, and combining the results with other engineering or environmental datasets.</p>

Copyright Text:

Min. Scale: 33538

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: -10717073.6118
YMin: 4318779.3564
XMax: -10711600.4365
YMax: 4322757.2392
Spatial Reference: 102100 (3857)
Vertical Spatial Reference: 105790 (3855)

Drawing Info:

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HasZ: true

HasM: true

Has Attachments: false

Has Geometry Properties: false

HTML Popup Type: esriServerHTMLPopupTypeNone

Object ID Field: OBJECTID

Unique ID Field:

Name : OBJECTID

IsSystemMaintained : True

Global ID Field:

Type ID Field:

Fields:

• OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• velocity (type: esriFieldTypeSingle, alias: velocity, SQL Type: sqlTypeOther, nullable: true, editable: true)
• coherence (type: esriFieldTypeSingle, alias: coherence, SQL Type: sqlTypeOther, nullable: true, editable: true)
• MuSigma (type: esriFieldTypeSingle, alias: MuSigma, SQL Type: sqlTypeOther, nullable: true, editable: true)
• shpnbr (type: esriFieldTypeSingle, alias: shpnbr, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Scatterer (type: esriFieldTypeString, alias: Scatterer, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: true)
• Hprecision (type: esriFieldTypeSingle, alias: Hprecision, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Vprecision (type: esriFieldTypeSingle, alias: Vprecision, SQL Type: sqlTypeOther, nullable: true, editable: true)
• range (type: esriFieldTypeInteger, alias: range, SQL Type: sqlTypeOther, nullable: true, editable: true)
• azimuth (type: esriFieldTypeInteger, alias: azimuth, SQL Type: sqlTypeOther, nullable: true, editable: true)
• SubAreaID (type: esriFieldTypeString, alias: SubAreaID, SQL Type: sqlTypeOther, length: 8, nullable: true, editable: true)
• lon (type: esriFieldTypeDouble, alias: lon, SQL Type: sqlTypeOther, nullable: true, editable: true)
• lat (type: esriFieldTypeDouble, alias: lat, SQL Type: sqlTypeOther, nullable: true, editable: true)
• xpos (type: esriFieldTypeDouble, alias: xpos, SQL Type: sqlTypeOther, nullable: true, editable: true)
• ypos (type: esriFieldTypeDouble, alias: ypos, SQL Type: sqlTypeOther, nullable: true, editable: true)
• zpos (type: esriFieldTypeDouble, alias: zpos, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Z (type: esriFieldTypeDouble, alias: Z, SQL Type: sqlTypeOther, nullable: true, editable: true)
• ALOS (type: esriFieldTypeSingle, alias: ALOS, SQL Type: sqlTypeOther, nullable: true, editable: true)
• ILOS (type: esriFieldTypeSingle, alias: ILOS, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Hcorrectio (type: esriFieldTypeSingle, alias: Hcorrectio, SQL Type: sqlTypeOther, nullable: true, editable: true)
• ID (type: esriFieldTypeString, alias: ID, SQL Type: sqlTypeOther, length: 29, nullable: true, editable: true)
• aoi (type: esriFieldTypeString, alias: aoi, SQL Type: sqlTypeOther, length: 25, nullable: true, editable: true)

Templates:

Name: New Feature
Description:
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Prototype:

Attributes:

Relationships:

• KeystoneDamPS_displacements (0) -- Related To: KeystoneDamPS_displacements (1)

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 9/17/2026 12:30:38 PM

Schema Last Edit Date: 9/17/2026 12:29:00 PM

Data Last Edit Date: 9/17/2026 12:29:00 PM

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