保护和重建洪泛区以减轻洪水风险.pdf

1、CRICOS PROVIDER#00120CCONSERVING AND RECONNECTING FLOODPLAINS TO MITIGATE FLOOD RISKNHRA FORUM ADELAIDE JUNE 2025Dr Jason AlexandraSenior Research FellowClimate adaptation and waterTo use only a portion select FILL then crop,move CRICOS PROVIDER#00120C“Most of the effects of climate change operate t

2、hrough water”Nicholas Stern,2007Structure of this lecture:ContextNature-based solutionsNational NbS guidelines project NEMA NHRA project Some tentative conclusionsTo use only a portion select FILL then crop,move CRICOS PROVIDER#00120CClimate change context:More extreme weather events,More fires,floo

3、ds and droughts think Australia 2000-2025Warmer oceansHeavier rainfallCyclone belt shifting southSocio-economic contextHousing crisisExpanding citiesPopulation growthDegraded catchmentsIncremental land use planningTo use only a portion select FILL then crop,move CRICOS PROVIDER#00120CNature-based So

4、lutions:1.are inspired and powered by nature2.address challenges or resolve problems3.provide multiple benefits,including biodiversity gain4.Need to be effective and economically efficient.OECD POLICY PERSPECTIVES:NATURE-BASED SOLUTIONS FOR ADAPTING TO WATER-RELATED CLIMATE RISKS(2020)7/1/2025To use

5、 only a portion select FILL then crop,move CRICOS PROVIDER#00120C1.Reduce flood risk 2.Maintain/restore catchment ecology and hydrology e.g.connections between rivers and flood-plains.3.Improve water quality4.Enhance habitats5.Mobilise communities6.Be integrated with catchment management and NRMNatu

6、re inspired solutions for flood mitigation can7/1/2025To use only a portion select FILL then crop,move CRICOS PROVIDER#00120C7/1/2025Fire and Rescue NSW/AAPANU project 2022-2025Partnering with Regional Communities to Develop Guidelines for Nature-based Solutions to Flooding-NEMA fundedTo use only a