Browse data ccc_flood_extent_50yr

Christchurch 50-year flood extent

Modelled inundation extent for a 50-year ARI rainfall event in Christchurch.

Licence: CC-BY 4.0 Source: Christchurch City Council (www.ccc.govt.nz), CC-BY 4.0.

Data as of 2026-07-01  · monthly  · 12,964 rows

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Showing 200 sample features
CRS
EPSG:4326

Centroids only — full geometry available via the API or CSV download.

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Dataset ID
ccc_flood_extent_50yr
Data source
ECan / Canterbury
Last refreshed
2026-07-01
Refresh cadence
monthly
API endpoint
https://api.eolas.fyi/v1/datasets/ccc_flood_extent_50yr/data

Columns (14)

schema glossary · auto-generated
Column Type Description
flood_extent50_year_id long Flood extent50 year ID
catchment string Catchment
hydraulic_model_software string Hydraulic model software
model_base_year double Model base year
rainfall_event string Rainfall event
sea_level_rise string Sea level rise
development_growth_to_year string Development growth to year
climate_change_effects_to_year string Climate change effects to year
model_report string Model report
create_date string Create date
last_edit_date string Last edit date
shape_st_area double Polygon area (ArcGIS Shape.STArea, source projection units)
shape_st_length double Geometry length/perimeter (ArcGIS Shape.STLength)
geometry_wkt string Geometry as WKT (WGS84) — MULTIPOLYGON/POINT/LINESTRING

How to query this dataset

Fetch all data (JSON)
curl https://api.eolas.fyi/v1/datasets/ccc_flood_extent_50yr/data \
  -H "X-API-Key: your_key_here"
Filter by date range
curl "https://api.eolas.fyi/v1/datasets/ccc_flood_extent_50yr/data?start=2020-01-01&end=2024-12-31" \
  -H "X-API-Key: your_key_here"
Download as CSV
curl "https://api.eolas.fyi/v1/datasets/ccc_flood_extent_50yr/data?format=csv" \
  -H "X-API-Key: your_key_here" -o ccc_flood_extent_50yr.csv

Data preview

Hidden in preview: geometry_wkt — fetch via the API or download CSV to get the full data.
Flood Extent50 Year IdCatchmentHydraulic Model SoftwareModel Base YearRainfall EventSea Level RiseDevelopment Growth To YearClimate Change Effects To YearModel ReportCreate DateLast Edit DateShape St AreaShape St Length
12685StyxTUFLOW2024.050 Year0.45m2074HIRDS 20742026-03-122026-03-12574.15969754215.94522401440562
12686StyxTUFLOW2024.050 Year0.45m2074HIRDS 20742026-03-122026-03-12272.9200147892.00609058854486
12687StyxTUFLOW2024.050 Year0.45m2074HIRDS 20742026-03-122026-03-12220.6801507468.0321762631761
12688StyxTUFLOW2024.050 Year0.45m2074HIRDS 20742026-03-122026-03-12281.6398335163.97130968903676
12689StyxTUFLOW2024.050 Year0.45m2074HIRDS 20742026-03-122026-03-121680.35890444435.7930575790558

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