Name: Cross - Sections (0.1' accuracy)

Display Field: WSEL_REG

Type: Feature Layer

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Description: Normally, any FIRM that has associated flood profiles has cross sections. The S_XS table contains information about cross section lines. These lines usually represent the locations of channel surveys performed for input into the hydraulic model used to calculate flood elevations. Sometimes cross sections are interpolated between surveyed cross sections using high accuracy elevation data. Depending on the zone designation (Zone AE, Zone A, etc.), these locations may be shown on Flood Profiles in the FIS report and can be used to cross reference the Flood Profiles to the planimetric depiction of the flood hazards. This information is used in the Floodway Data Tables in the FIS report, as well as on the FIRM panels. This is a subset filtered for the City of Independence Missouri and surrounding region. Fields and Descriptions:Field Name Alias DescriptionOBJECTID OBJECTID Internal feature IDDFIRM_ID DFIRM_ID Unique ID for the Digital FIRM versionVERSION_ID VERSION_ID Version of the flood hazard datasetXS_LN_ID XS_LN_ID Unique identifier for each cross section lineWTR_NM WTR_NM Water body name (e.g., stream or river)STREAM_STN STREAM_STN Distance upstream along the stream (stationing)START_ID START_ID Starting ID point for the cross sectionXS_LTR XS_LTR Letter label shown on FIRMs for cross section (e.g., A, B)XS_LN_TYP XS_LN_TYP Type of cross section (Regulatory, Non-regulatory)WSEL_REG WSEL_REG Water Surface Elevation used for regulatory purposesSTRMBED_EL STRMBED_EL Elevation of the streambed at the cross sectionLEN_UNIT LEN_UNIT Units of measurement (e.g., Feet, Meters)V_DATUM V_DATUM Vertical datum (e.g., NAVD88) used for elevation referencesPROFXS_TXT PROFXS_TXT Description or label for the modeled flood profileMODEL_ID MODEL_ID ID of the hydraulic model usedSEQ SEQ Sequence order of cross sections along the streamSOURCE_CIT SOURCE_CIT Citation for data/model sourceSHAPE SHAPE Geometry of the cross section as a polylineGFID GFID FEMA Global Feature IdentifierGlobalID GlobalID Esri Global ID for feature uniquenessSHAPE.STLength() SHAPE.STLength() Length of the line geometry (in map units)Intended Use:Floodplain managementRegulatory mapping (FIRM)Emergency response planningRisk analysis for insurance and infrastructureCoordinate System:Matches NFHL service – typically NAD83 or Web Mercator Auxiliary Sphere (projected). This subset has been converted to Missouri State Plane West (2403)Publisher & Publish DateFederal Emergency Management Agency (FEMA)Published 7-23-2024 https://hazards.fema.gov/arcgis/rest/services/FIRMette/NFHLREST_FIRMette/MapServer/7Contact Information:NFHL Technical Support – FEMA Map Service CenterEmail: FEMA-FIRMette@fema.dhs.gov

Service Item Id: a68483bf94994cb9ac6020c324b6f4db

Copyright Text: Source: Federal Emergency Management Agency Use Constraints: This data is for informational purposes and should not be used for legal, engineering, or surveying purposes. Users should verify all data with official FEMA products and coordinate with local floodplain administrators.

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Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• DFIRM_ID ( type: esriFieldTypeString, alias: DFIRM_ID, length: 255 )
• VERSION_ID ( type: esriFieldTypeString, alias: VERSION_ID, length: 255 )
• XS_LN_ID ( type: esriFieldTypeString, alias: XS_LN_ID, length: 255 )
• WTR_NM ( type: esriFieldTypeString, alias: WTR_NM, length: 255 )
• STREAM_STN ( type: esriFieldTypeDouble, alias: STREAM_STN )
• START_ID ( type: esriFieldTypeString, alias: START_ID, length: 255 )
• XS_LTR ( type: esriFieldTypeString, alias: XS_LTR, length: 255 )
• XS_LN_TYP ( type: esriFieldTypeString, alias: XS_LN_TYP, length: 255 )
• WSEL_REG ( type: esriFieldTypeDouble, alias: WSEL_REG )
• STRMBED_EL ( type: esriFieldTypeDouble, alias: STRMBED_EL )
• LEN_UNIT ( type: esriFieldTypeString, alias: LEN_UNIT, length: 255 )
• V_DATUM ( type: esriFieldTypeString, alias: V_DATUM, length: 255 )
• PROFXS_TXT ( type: esriFieldTypeString, alias: PROFXS_TXT, length: 255 )
• MODEL_ID ( type: esriFieldTypeString, alias: MODEL_ID, length: 255 )
• SEQ ( type: esriFieldTypeSmallInteger, alias: SEQ )
• SOURCE_CIT ( type: esriFieldTypeString, alias: SOURCE_CIT, length: 255 )
• GFID ( type: esriFieldTypeString, alias: GFID, length: 255 )
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