{ "culture": "en-NZ", "name": "", "guid": "", "catalogPath": "", "snippet": "Boundary extent of the modelling\n\nRotorua Lakes Council (RLC) identified Ngongotahā in the Rotorua Spatial Plan 2018 as a key growth \narea that requires a flood model that covers the wider Ngongotahā area. This report summaries the \nflood model build process and application to a series of design event simulations. The specific \nobjectives of this study are to: \n build and validate a TUFLOW flood model for catchments that are part of the Ngongotahā \ntownship; and \n to simulate the flooding conditions 0.2%, 1% and 10% Annual Exceedance Probability (AEP) \ndesign events. \nThis report includes: \n an overview of the study location; \n summary of model features and model build process; \n model verification and sensitivity analysis; \n application to flood hazard mapping; and \n conclusions and recommendations. \nThe model validation was completed against an approximately 1 % AEP event that occurred in April \n2018. Previous flood model extents and property level flood incident records were used to \nsuccessfully validate the model. The following design runs were completed for both current and \nfuture climates. Freeboard has not been included in the model simulations. \nDesign events \ncompleted \n 10 % AEP scenario \n 10 % AEP rainfall and 50 % AEP lake level \u2013 current climate (2020) \n 50 % AEP rainfall and 10 % AEP lake level \u2013 current climate (2020) \n 10 % AEP rainfall and 50 % AEP lake level \u2013 climate change (2130, RCP8.5) \n 50 % AEP rainfall and 10 % AEP lake level \u2013 climate change (2130, RCP8.5) \n 1 % Annual Exceedance Percentage (AEP) scenario \n 1% AEP rainfall and 5 % AEP lake level \u2013 current climate (2020) \n 5% AEP rainfall and 1 % AEP lake level \u2013 current climate (2020) \n 1% AEP rainfall and 5 % AEP lake level \u2013 climate change (2130, RCP8.5) \n 5% AEP rainfall and 1 % AEP lake level \u2013 climate change (2130, RCP8.5) \n 0.2 % AEP scenario \n 0.2 % AEP rainfall and 0.5 % AEP lake level \u2013 current climate (2020) \n 0.5 % AEP rainfall and 0.2 % AEP lake level \u2013 current climate (2020) \n 0.2 % AEP rainfall and...", "description": "

refer Ngongotaha Flood Modelling - Model Build and Design Scenarios Report (22/03/2024)<\/SPAN><\/P>

Document set Id - 20248149<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "summary": "Boundary extent of the modelling\n\nRotorua Lakes Council (RLC) identified Ngongotahā in the Rotorua Spatial Plan 2018 as a key growth \narea that requires a flood model that covers the wider Ngongotahā area. This report summaries the \nflood model build process and application to a series of design event simulations. The specific \nobjectives of this study are to: \n build and validate a TUFLOW flood model for catchments that are part of the Ngongotahā \ntownship; and \n to simulate the flooding conditions 0.2%, 1% and 10% Annual Exceedance Probability (AEP) \ndesign events. \nThis report includes: \n an overview of the study location; \n summary of model features and model build process; \n model verification and sensitivity analysis; \n application to flood hazard mapping; and \n conclusions and recommendations. \nThe model validation was completed against an approximately 1 % AEP event that occurred in April \n2018. Previous flood model extents and property level flood incident records were used to \nsuccessfully validate the model. The following design runs were completed for both current and \nfuture climates. Freeboard has not been included in the model simulations. \nDesign events \ncompleted \n 10 % AEP scenario \n 10 % AEP rainfall and 50 % AEP lake level \u2013 current climate (2020) \n 50 % AEP rainfall and 10 % AEP lake level \u2013 current climate (2020) \n 10 % AEP rainfall and 50 % AEP lake level \u2013 climate change (2130, RCP8.5) \n 50 % AEP rainfall and 10 % AEP lake level \u2013 climate change (2130, RCP8.5) \n 1 % Annual Exceedance Percentage (AEP) scenario \n 1% AEP rainfall and 5 % AEP lake level \u2013 current climate (2020) \n 5% AEP rainfall and 1 % AEP lake level \u2013 current climate (2020) \n 1% AEP rainfall and 5 % AEP lake level \u2013 climate change (2130, RCP8.5) \n 5% AEP rainfall and 1 % AEP lake level \u2013 climate change (2130, RCP8.5) \n 0.2 % AEP scenario \n 0.2 % AEP rainfall and 0.5 % AEP lake level \u2013 current climate (2020) \n 0.5 % AEP rainfall and 0.2 % AEP lake level \u2013 current climate (2020) \n 0.2 % AEP rainfall and...", "title": "Asset.DBO.Ngongotaha_Catchment_Boundary", "tags": [ "Ngongotaha Catchment", "Flooding", "Boundary" ], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": 5000000, "maxScale": 5000, "spatialReference": "", "accessInformation": "Awa Environmental - www.awa.kiwi", "licenseInfo": "", "portalUrl": "" }