Name: Displaced Households

Display Field: tract

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: When this layer is turned on, click on any area of the map to view the number of displaced households and individuals needing short-term shelter. These estimates are provided for the individual census track clicked, and the county as a whole. In HAZUS-MH MR4, loss of habitability is calculated directly from damage to the residential occupancy inventory, and from loss of water and power. The methodology for calculating short term shelter requirements recognizes that only a portion of those displaced from their homes will seek public shelter, and some will seek shelter even though their residence may have no or insignificant damage. Households may also be displaced as result of fire following earthquake, inundation (or the threat of inundation) due to dam failure, and by significant hazardous waste releases. This module does not specifically deal with these issues, but an approximate estimate of displacement due to fire or inundation can be obtained by multiplying the residential inventory in affected census tracts by the areas of fire damage or inundation derived from those modules. The hazardous materials module is confined to identifying locations of hazardous materials and no methodology for calculations of damage or loss is provided. If the particular characteristics of the study region give the user cause for concern about the possibility of housing loss from fire, dam failure, or hazardous materials, it would be advisable to initiate specific studies directed towards the problem. (Taken from the HAZUS-MH MR4 Technical User’s Manual: Earthquake Model. For further information, refer to the manual.)

Service Item Id: 54cb7315236844b5b19d99de8263ca08

Copyright Text:

Default Visibility: false

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0.0

Max Scale: 0.0

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: 600542.6066323817
YMin: 81834.64320898056
XMax: 1801531.2299128026
YMax: 1348520.5504488945
Spatial Reference: 2927  (2927)  LatestVCSWkid(0)

Drawing Info:

Renderer:
Class Breaks Renderer:
Field: householdstract
Min. Value: 0.0
ClassBreakInfos:
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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
Supports Percentile Statistics: true
Supports Having Clause: true
Supports Count Distinct: true
Supports Time Relation: true
Supports Sql Format: false
Supports Query Analytic: false
Supports Query With Current User: true

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• SHAPE ( type: esriFieldTypeGeometry, alias: SHAPE )
• tract ( type: esriFieldTypeString, alias: Tract #, length: 12 )
• householdstract ( type: esriFieldTypeSmallInteger, alias: Displaced Households (tract) )
• sheltertract ( type: esriFieldTypeSmallInteger, alias: Individuals Requiring Short-term Shelter (tract) )
• county ( type: esriFieldTypeString, alias: County Name, length: 20 )
• householdscounty ( type: esriFieldTypeSmallInteger, alias: Displaced Households (county) )
• sheltercounty ( type: esriFieldTypeSmallInteger, alias: Individuals Requiring Short-term Shelter (county) )
• SHAPE_Length ( type: esriFieldTypeDouble, alias: SHAPE_Length )
• SHAPE_Area ( type: esriFieldTypeDouble, alias: SHAPE_Area )

Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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