The NZLRI is a spatial database containing about 100,000 polygons (map units), each of which describes a parcel of land in terms of five characteristics or attributes (rock, soil, slope, erosion, vegetation). This layer represents a GIS dissolve on the erosion attribute of the NZLRI.

Coastal Erosion Hazard Zones show the extent of Northland coastlines that are potentially susceptible to coastal erosion.This service shows the location of Coastal Hazards from the 2017 assessment and includes coastal run-up hazard, coastal flood hazard and coastal erosion hazard.

Wellington City Corrosion Zone as determined by NZS 3604:2011. Corrosion Zones relate to the severity of exposure to wind-driven salt, with B being low risk, C medium risk and D high risk (Category A is not applicable in New Zealand). The Wellington City territory authority area is located in zone C aside from the coastal zone. For this reason the coastal...