Name: 63% AEP

Display Field: Connected

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This dataset presents the extent of coastal inundation under present-day conditions for Mean High Water Springs tides (MHWS6) and multiple Annual Exceedance Probability (AEP) events. The mapping identifies low-lying areas susceptible to flooding from elevated sea levels due to tides and storm surge (2020 Scenario).This dataset presents the extent of static coastal inundation under possible future sea level rise scenarios for multiple Annual Exceedance Probability (AEP) events. The mapping identifies low-lying areas susceptible to flooding from elevated sea levels due to tides, storm surge, and projected sea level rise (2050 - 2130 Scenarios).Covers nine coastal inundation cells:Waimea InletTāhunanuiRocks RoadNelson CBDNelson HavenBoulder Bank to Pepin IslandDelaware Bay estuaryDelaware open coastOananga BayMapping is based on elevation only and does not reflect flow paths or wave effects.The static inundation extents for each coastal cell have been mapped using a bathtub model with the static inundation levels from T+T (2024) and the 2025 LiDAR DEM at 1 m grid resolution.

Copyright Text: Nelson City Council, Tonkin and Taylor.

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: 1615595.0814
YMin: 5424406.9994
XMax: 1649926.0006
YMax: 5455442.0006
Spatial Reference: 2193 (2193)

Drawing Info:

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Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

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)
• connected (type: esriFieldTypeInteger, alias: Connected, SQL Type: sqlTypeOther, nullable: true, editable: true)
• timeframe (type: esriFieldTypeString, alias: timeframe, SQL Type: sqlTypeOther, length: 1073741822, nullable: true, editable: true)
• ssp (type: esriFieldTypeString, alias: ssp, SQL Type: sqlTypeOther, length: 1073741822, nullable: true, editable: true)
• aep (type: esriFieldTypeString, alias: aep, SQL Type: sqlTypeOther, length: 1073741822, nullable: true, editable: true)
• InundationCellName (type: esriFieldTypeString, alias: Inundation Cell Name, SQL Type: sqlTypeOther, length: 21, nullable: true, editable: true)
• Scenario (type: esriFieldTypeString, alias: Scenario, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
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• Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Templates:

Name: 63% AEP
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 5/9/2026 1:36:32 AM

Schema Last Edit Date: 5/9/2026 1:36:32 AM

Data Last Edit Date: 5/9/2026 1:36:32 AM

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