Purpose: This data has been published to support the Waikato Regional Hazards Portal. This data is part of the River Flooding theme. Statement: 2D flood extent as interpolated from a Mike 21 1D model on to a LiDAR derived topography using WaterRide Software. This information is created by inferring the 1% AEP 1D flood model (2009 TOPNET Design 1958 - 0.2) over the adjacent floodplain to create a 2D representation. There may be some inaccuracies and errors associated with this method. The modelling does not include the predicted effects of climate change on rainfall intensity and sea level rise. These maps do not show internal ponding in overbank areas which is likely in an event. Where stopbanks are overtopped, full flooding is shown. The model also only relates to the main channel, with many tributaries and some overbank areas not included. The presence of a hazard does not guarantee the existence of such a hazard, nor does the lack of information preclude the existence of a hazard or risk. Waikato Regional Council accepts no liability or otherwise resulting from hazards or knowledge of hazards. The information is correct as at 30 October 2021. Intended Use Scale: Data should not be used at scales greater than 1:1,250Data Use Limits:Note there is currently some overlap with the polygon version of this data between Huntly and Horotiu and around Ngaruawahia which may result in minor discrepancies when both layers are viewed together. Data Specific Disclaimers:"The presence of a hazard does not guarantee the existence of such a hazard nor does the lack of information preclude the existence of a hazard or risk. Waikato Regional Council accepts no liability or otherwise resulting from hazards or knowledge of hazards."The standard Waikato Regional Council Disclaimer applies to this data “While Waikato Regional Council has exercised all reasonable skill and care in controlling the contents of this information, Waikato Regional Council accepts no liability in contract, tort or otherwise howsoever, for any loss, damage, injury or expense (whether direct, indirect or consequential) arising out of the provision of this information or its use by you.”There may be derivatives of this layer created and shared by other parties. While Waikato Regional Council has exercised all reasonable skill and care in controlling the contents of this information, Waikato Regional Council accepts no liability in contract, tort or otherwise howsoever, for any loss, damage, injury or expense (whether direct, indirect or consequential) arising out of the provision of derivatives or their use by you.”WRC Metadata: For full metadata search for HAZARD.sdeadmin.HAZ_FLOOD_EXTENT_1_AEP_LINE in HAZARDS - Regional Hazards Portal - GIS Layers or HAZARD.sdeadmin.HAZ_FLOOD_EXTENT_1_AEP_POLY in HAZARDS - Regional Hazards Portal - GIS LayersTerms of Use:This work is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International License.Should users wish to distribute or publish derivatives or modified versions of this data then they must seek a data use agreement through WRC first. See the Waikato Regional Hazards Portal Terms of use here Waikato Regional Hazards Portal - Terms of use | Waikato Regional Council.
