Port Phillip Bay Coastal Hazard Assessment - Shallow Groundwater Extent - 0.2m Sea Level Rise

The Port Phillip Bay Coastal Hazard Assessment (the product) is a digital dataset consisting of multiple spatial layer outputs from modelled erosion, inundation and groundwater hazard scenarios.The product is recommended for use at the regional scale around Port Phillip Bay. Application of the data should be guided by the accompanying Port Phillip Bay hazard assessment technical reports (CSIRO 2022, Water Technology 2023, Kennedy 2022) and expert advice. The product is not suitable for individual property scale assessments.The datasets available are as follows. Further detail on technical assumptions for these scenarios are provided in the accompanying technical reports. Additional data sets referenced in the reports are also available on request.Storm tide inundationStorm tide inundation extents for the 1% Annual Exceedance Probability (AEP) for a range of Sea Level Rise (SLR) scenarios (0m, 0.5m, 0.8m, 1.1m):- PPBCHA_INUNDATION_EXTENT_1AEP_00SLR- PPBCHA_INUNDATION_EXTENT_1AEP_05SLR- PPBCHA_INUNDATION_EXTENT_1AEP_08SLR- PPBCHA_INUNDATION_EXTENT_1AEP_11SLR- PPBCHA_INUNDATION_EXTENT_1AEP_14SLR- PPBCHA_INUNDATION_EXTENT_1AEP_00SLR_WITHRAINFALL- PPBCHA_INUNDATION_EXTENT_1AEP_05SLR_WITHRAINFALL- PPBCHA_INUNDATION_EXTENT_1AEP_08SLR_WITHRAINFALL- PPBCHA_INUNDATION_EXTENT_1AEP_11SLR_WITHRAINFALL- PPBCHA_INUNDATION_EXTENT_1AEP_14SLR_WITHRAINFALLStorm tide inundation extents for each SLR scenario are presented as a combined vector layer that incorporates the modelled 95th, 50th, and 5th percentiles.ErosionErosion extents for the 1%AEP for a range of Sea Level Rise (SLR) scenarios (0m, 0.2m, 0.5m, 0.8m, 1.1m).- PPBCHA_EROSION_EXTENT_1AEP_2010_00SLR- PPBCHA_EROSION_EXTENT_1AEP_2040_02SLR- PPBCHA_EROSION_EXTENT_1AEP_2070_05SLR- PPBCHA_EROSION_EXTENT_1AEP_2100_08SLR- PPBCHA_EROSION_EXTENT_1AEP_2100_11SLR- PPBCHA_EROSION_EXTENT_1AEP_2100_14SLRErosion hazard extents are the modelled 95th percentile. Sea level of 0m as of 2010.GroundwaterGroundwater extents indicating where the hazard is shallow (within 0 to 2m below land surface) for a range of Sea Level Rise (SLR) scenarios (0m, 0.2m, 0.5m, 0.8m):- PPBCHA_GROUNDWATER_EXTENT_SHALLOW_00SLR- PPBCHA_GROUNDWATER_EXTENT_SHALLOW_02SLR- PPBCHA_GROUNDWATER_EXTENT_SHALLOW_05SLR- PPBCHA_GROUNDWATER_EXTENT_SHALLOW_08SLR- PPBCHA_GROUNDWATER_EXTENT_SHALLOW_11SLR- PPBCHA_GROUNDWATER_EXTENT_SHALLOW_14SLRShallow groundwater extent layer is derived from the groundwater depth raster.Report Citations:CSIRO - McInnes, K.L., O’Grady, J.O., Prakash, M., Dahlhaus, P., Rosengren, N.J., Hoeke, R.K., Lauchlan Arrowsmith, C., Hernaman, V., Cohen, R., Seers, B., Chen, Y., Walters, D., Couto, P., Trenham, C., Forbes-Smith, N. Gregory, R., Hemer, M. and Power, R. (2022) Port Phillip Bay Coastal Hazard Assessment: Final Report. Report to Department of Environment, Land, Water and Planning. 236 pages + 11 Appendices.Water Technology (2023) Erosion Hazard Summary Report, Port Phillip Bay Coastal Erosion Hazards, Report to Department of Energy, Environment and Climate ActionKennedy, D. M. (2022), Tertiary Coastal Compartments in Port Phillip Bay: Review, Definition and Methodology, Report to Department of Energy, Environment and Climate Action. School of Geography, Earth and Atmospheric Sciences, The University of Melbourne.

菲利普港湾海岸灾害评估数据集（以下简称本数据集）为数字化数据集，包含基于模拟得到的侵蚀、淹没与地下水灾害情景的多空间图层输出成果。本数据集推荐应用于菲利普港湾周边的区域尺度分析。数据集的应用需遵循配套的《菲利普港湾灾害评估技术报告》（CSIRO 2022、Water Technology 2023、Kennedy 2022）及专家建议。本数据集不适用于单个地产项目尺度的灾害评估工作。本次公开的数据集如下，各类灾害情景的技术假设细节可查阅配套技术报告。报告中引用的其他数据集亦可根据申请获取。

## 风暴潮淹没
针对一系列海平面上升（Sea Level Rise, SLR）情景（0m、0.5m、0.8m、1.1m、1.4m）下的1%年超越概率（Annual Exceedance Probability, AEP）风暴潮淹没范围：
- PPBCHA_INUNDATION_EXTENT_1AEP_00SLR
- PPBCHA_INUNDATION_EXTENT_1AEP_05SLR
- PPBCHA_INUNDATION_EXTENT_1AEP_08SLR
- PPBCHA_INUNDATION_EXTENT_1AEP_11SLR
- PPBCHA_INUNDATION_EXTENT_1AEP_14SLR
- PPBCHA_INUNDATION_EXTENT_1AEP_00SLR_WITHRAINFALL
- PPBCHA_INUNDATION_EXTENT_1AEP_05SLR_WITHRAINFALL
- PPBCHA_INUNDATION_EXTENT_1AEP_08SLR_WITHRAINFALL
- PPBCHA_INUNDATION_EXTENT_1AEP_11SLR_WITHRAINFALL
- PPBCHA_INUNDATION_EXTENT_1AEP_14SLR_WITHRAINFALL
各海平面上升情景下的风暴潮淹没范围以整合了模拟得到的95分位、50分位与5分位结果的组合矢量图层形式呈现。

## 海岸侵蚀
针对一系列海平面上升情景（0m、0.2m、0.5m、0.8m、1.1m、1.4m）下的1%年超越概率海岸侵蚀范围：
- PPBCHA_EROSION_EXTENT_1AEP_2010_00SLR
- PPBCHA_EROSION_EXTENT_1AEP_2040_02SLR
- PPBCHA_EROSION_EXTENT_1AEP_2070_05SLR
- PPBCHA_EROSION_EXTENT_1AEP_2100_08SLR
- PPBCHA_EROSION_EXTENT_1AEP_2100_11SLR
- PPBCHA_EROSION_EXTENT_1AEP_2100_14SLR
侵蚀灾害范围为模拟得到的95分位结果，基准海平面为2010年的0m海平面。

## 地下水灾害
针对一系列海平面上升情景（0m、0.2m、0.5m、0.8m、1.1m、1.4m）下的浅埋地下水灾害（距地表0至2m范围内）范围：
- PPBCHA_GROUNDWATER_EXTENT_SHALLOW_00SLR
- PPBCHA_GROUNDWATER_EXTENT_SHALLOW_02SLR
- PPBCHA_GROUNDWATER_EXTENT_SHALLOW_05SLR
- PPBCHA_GROUNDWATER_EXTENT_SHALLOW_08SLR
- PPBCHA_GROUNDWATER_EXTENT_SHALLOW_11SLR
- PPBCHA_GROUNDWATER_EXTENT_SHALLOW_14SLR
浅埋地下水范围图层由地下水深度栅格数据导出得到。

## 报告引用文献
1. 澳大利亚联邦科学与工业研究组织（CSIRO）：McInnes, K.L.、O’Grady, J.O.、Prakash, M.、Dahlhaus, P.、Rosengren, N.J.、Hoeke, R.K.、Lauchlan Arrowsmith, C.、Hernaman, V.、Cohen, R.、Seers, B.、Chen, Y.、Walters, D.、Couto, P.、Trenham, C.、Forbes-Smith, N.、Gregory, R.、Hemer, M. 及 Power, R.（2022）《菲利普港湾海岸灾害评估：最终报告》，提交给环境、土地、水利与规划部，共236页及11份附录。
2. Water Technology（2023）：《菲利普港湾海岸侵蚀灾害摘要报告》，提交给能源、环境与气候行动部。
3. Kennedy, D. M.（2022）：《菲利普港湾第三纪海岸分区：综述、界定与方法》，提交给能源、环境与气候行动部，墨尔本大学地理、地球与大气科学学院。